fmc_adc_100Ms_csr

FMC ADC 100MS/s core registers

Wishbone slave for FMC ADC 100MS/s core

1. Memory map summary

H/W Address	Type	Name	VHDL/Verilog prefix	C prefix
0x0	REG	Control register	fmc_adc_core_ctl	CTL
0x1	REG	Status register	fmc_adc_core_sta	STA
0x2	REG	Trigger configuration	fmc_adc_core_trig_cfg	TRIG_CFG
0x3	REG	Trigger delay	fmc_adc_core_trig_dly	TRIG_DLY
0x4	REG	Software trigger	fmc_adc_core_sw_trig	SW_TRIG
0x5	REG	Number of shots	fmc_adc_core_shots	SHOTS
0x6	REG	Trigger address register	fmc_adc_core_trig_pos	TRIG_POS
0x7	REG	Sample rate	fmc_adc_core_sr	SR
0x8	REG	Pre-trigger samples	fmc_adc_core_pre_samples	PRE_SAMPLES
0x9	REG	Post-trigger samples	fmc_adc_core_post_samples	POST_SAMPLES
0xa	REG	Samples counter	fmc_adc_core_samples_cnt	SAMPLES_CNT
0xb	REG	Channel 1 control register	fmc_adc_core_ch1_ctl	CH1_CTL
0xc	REG	Channel 1 status register	fmc_adc_core_ch1_sta	CH1_STA
0xd	REG	Channel 1 gain calibration register	fmc_adc_core_ch1_gain	CH1_GAIN
0xe	REG	Channel 1 offset calibration register	fmc_adc_core_ch1_offset	CH1_OFFSET
0xf	REG	Channel 2 control register	fmc_adc_core_ch2_ctl	CH2_CTL
0x10	REG	Channel 2 status register	fmc_adc_core_ch2_sta	CH2_STA
0x11	REG	Channel 2 gain calibration register	fmc_adc_core_ch2_gain	CH2_GAIN
0x12	REG	Channel 2 offset calibration register	fmc_adc_core_ch2_offset	CH2_OFFSET
0x13	REG	Channel 3 control register	fmc_adc_core_ch3_ctl	CH3_CTL
0x14	REG	Channel 3 status register	fmc_adc_core_ch3_sta	CH3_STA
0x15	REG	Channel 3 gain calibration register	fmc_adc_core_ch3_gain	CH3_GAIN
0x16	REG	Channel 3 offset calibration register	fmc_adc_core_ch3_offset	CH3_OFFSET
0x17	REG	Channel 4 control register	fmc_adc_core_ch4_ctl	CH4_CTL
0x18	REG	Channel 4 status register	fmc_adc_core_ch4_sta	CH4_STA
0x19	REG	Channel 4 gain calibration register	fmc_adc_core_ch4_gain	CH4_GAIN
0x1a	REG	Channel 4 offset calibration register	fmc_adc_core_ch4_offset	CH4_OFFSET

2. HDL symbol

→	rst_n_i	Control register:
→	clk_sys_i	fmc_adc_core_ctl_fsm_cmd_o[1:0]	⇒
⇒	wb_adr_i[4:0]	fmc_adc_core_ctl_fsm_cmd_wr_o	→
⇒	wb_dat_i[31:0]	fmc_adc_core_ctl_fmc_clk_oe_o	→
⇐	wb_dat_o[31:0]	fmc_adc_core_ctl_offset_dac_clr_n_o	→
→	wb_cyc_i	fmc_adc_core_ctl_man_bitslip_o	→
⇒	wb_sel_i[3:0]	fmc_adc_core_ctl_test_data_en_o	→
→	wb_stb_i	fmc_adc_core_ctl_trig_led_o	→
→	wb_we_i	fmc_adc_core_ctl_acq_led_o	→
←	wb_ack_o	fmc_adc_core_ctl_reserved_o[23:0]	⇒
←	wb_stall_o
		Status register:
		fmc_adc_core_sta_fsm_i[2:0]	⇐
		fmc_adc_core_sta_serdes_pll_i	←
		fmc_adc_core_sta_serdes_synced_i	←
		fmc_adc_core_sta_reserved_i[26:0]	⇐

		Trigger configuration:
		fmc_adc_core_trig_cfg_hw_trig_sel_o	→
		fmc_adc_core_trig_cfg_hw_trig_pol_o	→
		fmc_adc_core_trig_cfg_hw_trig_en_o	→
		fmc_adc_core_trig_cfg_sw_trig_en_o	→
		fmc_adc_core_trig_cfg_int_trig_sel_o[1:0]	⇒
		fmc_adc_core_trig_cfg_reserved_o[9:0]	⇒
		fmc_adc_core_trig_cfg_int_trig_thres_o[15:0]	⇒

		Trigger delay:
		fmc_adc_core_trig_dly_o[31:0]	⇒

		Software trigger:
		fmc_adc_core_sw_trig_o[31:0]	⇒
		fmc_adc_core_sw_trig_wr_o	→

		Number of shots:
		fmc_adc_core_shots_nb_o[15:0]	⇒
		fmc_adc_core_shots_reserved_o[15:0]	⇒

		Trigger address register:
		fmc_adc_core_trig_pos_i[31:0]	⇐

		Sample rate:
		fmc_adc_core_sr_deci_o[15:0]	⇒
		fmc_adc_core_sr_reserved_o[15:0]	⇒

		Pre-trigger samples:
		fmc_adc_core_pre_samples_o[31:0]	⇒

		Post-trigger samples:
		fmc_adc_core_post_samples_o[31:0]	⇒

		Samples counter:
		fmc_adc_core_samples_cnt_i[31:0]	⇐

		Channel 1 control register:
		fmc_adc_core_ch1_ctl_ssr_o[6:0]	⇒
		fmc_adc_core_ch1_ctl_reserved_o[24:0]	⇒

		Channel 1 status register:
		fmc_adc_core_ch1_sta_val_i[15:0]	⇐
		fmc_adc_core_ch1_sta_reserved_i[15:0]	⇐

		Channel 1 gain calibration register:
		fmc_adc_core_ch1_gain_val_o[15:0]	⇒
		fmc_adc_core_ch1_gain_reserved_o[15:0]	⇒

		Channel 1 offset calibration register:
		fmc_adc_core_ch1_offset_val_o[15:0]	⇒
		fmc_adc_core_ch1_offset_reserved_o[15:0]	⇒

		Channel 2 control register:
		fmc_adc_core_ch2_ctl_ssr_o[6:0]	⇒
		fmc_adc_core_ch2_ctl_reserved_o[24:0]	⇒

		Channel 2 status register:
		fmc_adc_core_ch2_sta_val_i[15:0]	⇐
		fmc_adc_core_ch2_sta_reserved_i[15:0]	⇐

		Channel 2 gain calibration register:
		fmc_adc_core_ch2_gain_val_o[15:0]	⇒
		fmc_adc_core_ch2_gain_reserved_o[15:0]	⇒

		Channel 2 offset calibration register:
		fmc_adc_core_ch2_offset_val_o[15:0]	⇒
		fmc_adc_core_ch2_offset_reserved_o[15:0]	⇒

		Channel 3 control register:
		fmc_adc_core_ch3_ctl_ssr_o[6:0]	⇒
		fmc_adc_core_ch3_ctl_reserved_o[24:0]	⇒

		Channel 3 status register:
		fmc_adc_core_ch3_sta_val_i[15:0]	⇐
		fmc_adc_core_ch3_sta_reserved_i[15:0]	⇐

		Channel 3 gain calibration register:
		fmc_adc_core_ch3_gain_val_o[15:0]	⇒
		fmc_adc_core_ch3_gain_reserved_o[15:0]	⇒

		Channel 3 offset calibration register:
		fmc_adc_core_ch3_offset_val_o[15:0]	⇒
		fmc_adc_core_ch3_offset_reserved_o[15:0]	⇒

		Channel 4 control register:
		fmc_adc_core_ch4_ctl_ssr_o[6:0]	⇒
		fmc_adc_core_ch4_ctl_reserved_o[24:0]	⇒

		Channel 4 status register:
		fmc_adc_core_ch4_sta_val_i[15:0]	⇐
		fmc_adc_core_ch4_sta_reserved_i[15:0]	⇐

		Channel 4 gain calibration register:
		fmc_adc_core_ch4_gain_val_o[15:0]	⇒
		fmc_adc_core_ch4_gain_reserved_o[15:0]	⇒

		Channel 4 offset calibration register:
		fmc_adc_core_ch4_offset_val_o[15:0]	⇒
		fmc_adc_core_ch4_offset_reserved_o[15:0]	⇒

3. Register description

3.1. Control register

HW prefix:	fmc_adc_core_ctl
HW address:	0x0
C prefix:	CTL
C offset:	0x0

31	30	29	28	27	26	25	24
RESERVED[23:16]

23	22	21	20	19	18	17	16
RESERVED[15:8]

15	14	13	12	11	10	9	8
RESERVED[7:0]

7	6	5	4	3	2	1	0
ACQ_LED	TRIG_LED	TEST_DATA_EN	MAN_BITSLIP	OFFSET_DAC_CLR_N	FMC_CLK_OE	FSM_CMD[1:0]

FSM_CMD [read/write]: State machine commands (ignore on read)
1: ACQ_START (start acquisition, only when FSM is idle)
2: ACQ_STOP (stop acquisition, anytime)
FMC_CLK_OE [read/write]: FMC Si750 output enable
OFFSET_DAC_CLR_N [read/write]: Offset DACs clear (active low)
MAN_BITSLIP [write-only]: Manual serdes bitslip (ignore on read)
TEST_DATA_EN [read/write]: Enable test data
Write the address counter value instead of ADC data to DDR
TRIG_LED [read/write]: Manual TRIG LED
Manual control of the front panel TRIG LED
ACQ_LED [read/write]: Manual ACQ LED
Manual control of the front panel ACQ LED
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.2. Status register

HW prefix:	fmc_adc_core_sta
HW address:	0x1
C prefix:	STA
C offset:	0x4

31	30	29	28	27	26	25	24
RESERVED[26:19]

23	22	21	20	19	18	17	16
RESERVED[18:11]

15	14	13	12	11	10	9	8
RESERVED[10:3]

7	6	5	4	3	2	1	0
RESERVED[2:0]			SERDES_SYNCED	SERDES_PLL	FSM[2:0]

FSM [read-only]: State machine status
States:
0: illegal
1: IDLE
2: PRE_TRIG
3: WAIT_TRIG
4: POST_TRIG
5: DECR_SHOT
6: illegal
7: illegal
SERDES_PLL [read-only]: SerDes PLL status
Sampling clock recovery PLL.
0: not locked
1: locked
SERDES_SYNCED [read-only]: SerDes synchronization status
0: bitslip in progress
1: serdes synchronized
RESERVED [read-only]: Reserved
Ignore on read, write with 0's

3.3. Trigger configuration

HW prefix:	fmc_adc_core_trig_cfg
HW address:	0x2
C prefix:	TRIG_CFG
C offset:	0x8

31	30	29	28	27	26	25	24
INT_TRIG_THRES[15:8]

23	22	21	20	19	18	17	16
INT_TRIG_THRES[7:0]

15	14	13	12	11	10	9	8
RESERVED[9:2]

7	6	5	4	3	2	1	0
RESERVED[1:0]		INT_TRIG_SEL[1:0]		SW_TRIG_EN	HW_TRIG_EN	HW_TRIG_POL	HW_TRIG_SEL

HW_TRIG_SEL [read/write]: Hardware trigger selection
0: internal (data threshold)
1: external (front panel trigger input)
HW_TRIG_POL [read/write]: Hardware trigger polarity
0: positive edge/slope
1: negative edge/slope
HW_TRIG_EN [read/write]: Hardware trigger enable
0: disable
1: enable
SW_TRIG_EN [read/write]: Software trigger enable
0: disable
1: enable
INT_TRIG_SEL [read/write]: Channel selection for internal trigger
00: channel 1
01: channel 2
10: channel 3
11: channel 4
RESERVED [read/write]: Reserved
Ignore on read, write with 0's
INT_TRIG_THRES [read/write]: Threshold for internal trigger
Treated as binary two's complement and compared to raw ADC data

3.4. Trigger delay

HW prefix:	fmc_adc_core_trig_dly
HW address:	0x3
C prefix:	TRIG_DLY
C offset:	0xc

31	30	29	28	27	26	25	24
TRIG_DLY[31:24]

23	22	21	20	19	18	17	16
TRIG_DLY[23:16]

15	14	13	12	11	10	9	8
TRIG_DLY[15:8]

7	6	5	4	3	2	1	0
TRIG_DLY[7:0]

TRIG_DLY [read/write]: Trigger delay value
Delay to apply on the trigger in sampling clock period.
The default clock frequency is 100MHz (period = 10ns).

3.5. Software trigger

HW prefix:	fmc_adc_core_sw_trig
HW address:	0x4
C prefix:	SW_TRIG
C offset:	0x10

Writing (anything) to this register generates a software trigger.

31	30	29	28	27	26	25	24
SW_TRIG[31:24]

23	22	21	20	19	18	17	16
SW_TRIG[23:16]

15	14	13	12	11	10	9	8
SW_TRIG[15:8]

7	6	5	4	3	2	1	0
SW_TRIG[7:0]

SW_TRIG [write-only]: Software trigger (ignore on read)

3.6. Number of shots

HW prefix:	fmc_adc_core_shots
HW address:	0x5
C prefix:	SHOTS
C offset:	0x14

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
NB[15:8]

7	6	5	4	3	2	1	0
NB[7:0]

NB [read/write]: Number of shots
Number of shots required in multi-shot mode, set to one for single-shot mode.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.7. Trigger address register

HW prefix:	fmc_adc_core_trig_pos
HW address:	0x6
C prefix:	TRIG_POS
C offset:	0x18

31	30	29	28	27	26	25	24
TRIG_POS[31:24]

23	22	21	20	19	18	17	16
TRIG_POS[23:16]

15	14	13	12	11	10	9	8
TRIG_POS[15:8]

7	6	5	4	3	2	1	0
TRIG_POS[7:0]

TRIG_POS [read-only]: Trigger address
Trigger address in DDR memory.
Only used in single-shot mode.

3.8. Sample rate

HW prefix:	fmc_adc_core_sr
HW address:	0x7
C prefix:	SR
C offset:	0x1c

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
DECI[15:8]

7	6	5	4	3	2	1	0
DECI[7:0]

DECI [read/write]: Sample rate decimation
Decimation factor. Takes one sample every N samples and discards the others (N = decimation factor).
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.9. Pre-trigger samples

HW prefix:	fmc_adc_core_pre_samples
HW address:	0x8
C prefix:	PRE_SAMPLES
C offset:	0x20

31	30	29	28	27	26	25	24
PRE_SAMPLES[31:24]

23	22	21	20	19	18	17	16
PRE_SAMPLES[23:16]

15	14	13	12	11	10	9	8
PRE_SAMPLES[15:8]

7	6	5	4	3	2	1	0
PRE_SAMPLES[7:0]

PRE_SAMPLES [read/write]: Pre-trigger samples
Number of requested pre-trigger samples

3.10. Post-trigger samples

HW prefix:	fmc_adc_core_post_samples
HW address:	0x9
C prefix:	POST_SAMPLES
C offset:	0x24

31	30	29	28	27	26	25	24
POST_SAMPLES[31:24]

23	22	21	20	19	18	17	16
POST_SAMPLES[23:16]

15	14	13	12	11	10	9	8
POST_SAMPLES[15:8]

7	6	5	4	3	2	1	0
POST_SAMPLES[7:0]

POST_SAMPLES [read/write]: Post-trigger samples
Number of requested post-trigger samples

3.11. Samples counter

HW prefix:	fmc_adc_core_samples_cnt
HW address:	0xa
C prefix:	SAMPLES_CNT
C offset:	0x28

31	30	29	28	27	26	25	24
SAMPLES_CNT[31:24]

23	22	21	20	19	18	17	16
SAMPLES_CNT[23:16]

15	14	13	12	11	10	9	8
SAMPLES_CNT[15:8]

7	6	5	4	3	2	1	0
SAMPLES_CNT[7:0]

SAMPLES_CNT [read-only]: Samples counter
Counts the number of samples.
It is reset on START and then counts the number of pre-trigger + post-trigger samples

3.12. Channel 1 control register

HW prefix:	fmc_adc_core_ch1_ctl
HW address:	0xb
C prefix:	CH1_CTL
C offset:	0x2c

31	30	29	28	27	26	25	24
RESERVED[24:17]

23	22	21	20	19	18	17	16
RESERVED[16:9]

15	14	13	12	11	10	9	8
RESERVED[8:1]

7	6	5	4	3	2	1	0
RESERVED[0:0]	SSR[6:0]

SSR [read/write]: Solid state relays control for channel 1
Controls input voltage range, termination and DC offset error calibration
0x23: 100mV range
0x11: 1V range
0x45: 10V range
0x00: Open input
0x42: 100mV range calibration
0x40: 1V range calibration
0x44: 10V range calibration
Bit3 is indepandant of the others and enables the 50ohms termination.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.13. Channel 1 status register

HW prefix:	fmc_adc_core_ch1_sta
HW address:	0xc
C prefix:	CH1_STA
C offset:	0x30

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read-only]: Channel 1 current ADC value
Current ADC raw value. The format is binary two's complement.
RESERVED [read-only]: Reserved
Ignore on read, write with 0's

3.14. Channel 1 gain calibration register

HW prefix:	fmc_adc_core_ch1_gain
HW address:	0xd
C prefix:	CH1_GAIN
C offset:	0x34

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Gain calibration for channel 1
Gain applied to all data coming from the ADC.
Fixed point format:
Bit 15 = 2^0, bit 14 = 2^(-1), bit 13 = 2^(-2), ... , bit 1 = 2^(-14), bit 0 = 2^(-15)
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.15. Channel 1 offset calibration register

HW prefix:	fmc_adc_core_ch1_offset
HW address:	0xe
C prefix:	CH1_OFFSET
C offset:	0x38

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Offset calibration for channel 1
Offset applied to all data coming from the ADC. The format is binary two's complement.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.16. Channel 2 control register

HW prefix:	fmc_adc_core_ch2_ctl
HW address:	0xf
C prefix:	CH2_CTL
C offset:	0x3c

31	30	29	28	27	26	25	24
RESERVED[24:17]

23	22	21	20	19	18	17	16
RESERVED[16:9]

15	14	13	12	11	10	9	8
RESERVED[8:1]

7	6	5	4	3	2	1	0
RESERVED[0:0]	SSR[6:0]

SSR [read/write]: Solid state relays control for channel 2
Controls input voltage range, termination and DC offset error calibration
0x23: 100mV range
0x11: 1V range
0x45: 10V range
0x00: Open input
0x42: 100mV range calibration
0x40: 1V range calibration
0x44: 10V range calibration
Bit3 is indepandant of the others and enables the 50ohms termination.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.17. Channel 2 status register

HW prefix:	fmc_adc_core_ch2_sta
HW address:	0x10
C prefix:	CH2_STA
C offset:	0x40

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read-only]: Channel 2 current ACD value
Current ADC raw value. The format is binary two's complement.
RESERVED [read-only]: Reserved
Ignore on read, write with 0's

3.18. Channel 2 gain calibration register

HW prefix:	fmc_adc_core_ch2_gain
HW address:	0x11
C prefix:	CH2_GAIN
C offset:	0x44

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Gain calibration for channel 2
Gain applied to all data coming from the ADC.
Fixed point format:
Bit 15 = 2^0, bit 14 = 2^(-1), bit 13 = 2^(-2), ... , bit 1 = 2^(-14), bit 0 = 2^(-15)
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.19. Channel 2 offset calibration register

HW prefix:	fmc_adc_core_ch2_offset
HW address:	0x12
C prefix:	CH2_OFFSET
C offset:	0x48

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Offset calibration for channel 2
Offset applied to all data coming from the ADC. The format is binary two's complement.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.20. Channel 3 control register

HW prefix:	fmc_adc_core_ch3_ctl
HW address:	0x13
C prefix:	CH3_CTL
C offset:	0x4c

31	30	29	28	27	26	25	24
RESERVED[24:17]

23	22	21	20	19	18	17	16
RESERVED[16:9]

15	14	13	12	11	10	9	8
RESERVED[8:1]

7	6	5	4	3	2	1	0
RESERVED[0:0]	SSR[6:0]

SSR [read/write]: Solid state relays control for channel 3
Controls input voltage range, termination and DC offset error calibration
0x23: 100mV range
0x11: 1V range
0x45: 10V range
0x00: Open input
0x42: 100mV range calibration
0x40: 1V range calibration
0x44: 10V range calibration
Bit3 is indepandant of the others and enables the 50ohms termination.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.21. Channel 3 status register

HW prefix:	fmc_adc_core_ch3_sta
HW address:	0x14
C prefix:	CH3_STA
C offset:	0x50

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read-only]: Channel 3 current ADC value
Current ADC raw value. The format is binary two's complement.
RESERVED [read-only]: Reserved
Ignore on read, write with 0's

3.22. Channel 3 gain calibration register

HW prefix:	fmc_adc_core_ch3_gain
HW address:	0x15
C prefix:	CH3_GAIN
C offset:	0x54

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Gain calibration for channel 3
Gain applied to all data coming from the ADC.
Fixed point format:
Bit 15 = 2^0, bit 14 = 2^(-1), bit 13 = 2^(-2), ... , bit 1 = 2^(-14), bit 0 = 2^(-15)
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.23. Channel 3 offset calibration register

HW prefix:	fmc_adc_core_ch3_offset
HW address:	0x16
C prefix:	CH3_OFFSET
C offset:	0x58

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Offset calibration for channel 3
Offset applied to all data coming from the ADC. The format is binary two's complement.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.24. Channel 4 control register

HW prefix:	fmc_adc_core_ch4_ctl
HW address:	0x17
C prefix:	CH4_CTL
C offset:	0x5c

31	30	29	28	27	26	25	24
RESERVED[24:17]

23	22	21	20	19	18	17	16
RESERVED[16:9]

15	14	13	12	11	10	9	8
RESERVED[8:1]

7	6	5	4	3	2	1	0
RESERVED[0:0]	SSR[6:0]

SSR [read/write]: Solid state relays control for channel 4
Controls input voltage range, termination and DC offset error calibration
0x23: 100mV range
0x11: 1V range
0x45: 10V range
0x00: Open input
0x42: 100mV range calibration
0x40: 1V range calibration
0x44: 10V range calibration
Bit3 is indepandant of the others and enables the 50ohms termination.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.25. Channel 4 status register

HW prefix:	fmc_adc_core_ch4_sta
HW address:	0x18
C prefix:	CH4_STA
C offset:	0x60

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read-only]: Channel 4 current ADC value
Current ADC raw value. The format is binary two's complement.
RESERVED [read-only]: Reserved
Ignore on read, write with 0's

3.26. Channel 4 gain calibration register

HW prefix:	fmc_adc_core_ch4_gain
HW address:	0x19
C prefix:	CH4_GAIN
C offset:	0x64

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Gain calibration for channel 4
Gain applied to all data coming from the ADC.
Fixed point format:
Bit 15 = 2^0, bit 14 = 2^(-1), bit 13 = 2^(-2), ... , bit 1 = 2^(-14), bit 0 = 2^(-15)
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

3.27. Channel 4 offset calibration register

HW prefix:	fmc_adc_core_ch4_offset
HW address:	0x1a
C prefix:	CH4_OFFSET
C offset:	0x68

31	30	29	28	27	26	25	24
RESERVED[15:8]

23	22	21	20	19	18	17	16
RESERVED[7:0]

15	14	13	12	11	10	9	8
VAL[15:8]

7	6	5	4	3	2	1	0
VAL[7:0]

VAL [read/write]: Offset calibration for channel 4
Offset applied to all data coming from the ADC. The format is binary two's complement.
RESERVED [read/write]: Reserved
Ignore on read, write with 0's

fmc_adc_100Ms_csr

FMC ADC 100MS/s core registers

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