ADPD4001 datasheet(72/82 Pages) AD

72 / 82 page

ADPD4000/ADPD4001

Data Sheet

Rev. A | Page 72 of 82

TIME SLOT CONFIGURATION REGISTERS

Table 32. Register Details

Addr

Name

Bits

Bit Name

Description

Reset Access

0x0100 TS_CTRL_A

Reserved

Reserved.

0x0

0x0120 TS_CTRL_B

CH2_EN_x

Channel 2 enable.

0x0

R/W

0x0140 TS_CTRL_C

0: Channel 2 disabled.

0x0160 TS_CTRL_D

1: Channel 2 enabled.

0x0180 TS_CTRL_E

[13:12] SAMPLE_TYPE_x

Time Slot x sampling type.

0x0

R/W

0x01A0 TS_CTRL_F

00: standard sampling modes.

0x01C0 TS_CTRL_G

01: one-region digital integration mode.

0x01E0 TS_CTRL_H

10: two-region digital integration mode.

0x0200 TS_CTRL_I

11: impulse response mode.

0x0220 TS_CTRL_J

[11:10] INPUT_R_SELECT_x

Input resistor (RIN) select.

0x0

R/W

0x0240 TS_CTRL_K

00: 500 Ω.

0x0260 TS_CTRL_L

01: 6.25 kΩ.

10: reserved.

11: reserved.

[9:0]

TIMESLOT_OFFSET_x

Time Slot x offset in 64 × number of 1 MHz low frequency

oscillator cycles or 2 × number of 32 kHz low frequency

oscillator cycles.

0x0

R/W

0x0101 TS_PATH_A

[15:12] PRE_WIDTH_x

Preconditioning duration for Time Slot x. This value is in 2 μs

increments. A value of 0 skips the preconditioning state.

Default is 8 μs.

0x4

R/W

0x0121 TS_PATH_B

0x0141 TS_PATH_C

0x0161 TS_PATH_D

[11:9]

Reserved

Write 0x0.

0x0

0x0181 TS_PATH_E

[8:0]

AFE_PATH_CFG_x

Signal path selection.

0x1DA R/W

0x01A1 TS_PATH_F

0x1DA: TIA, BPF, integrator, and ADC.

0x01C1 TS_PATH_G

0x0E6: TIA, integrator, and ADC.

0x01E1 TS_PATH_H

0x106: TIA and ADC.

0x0201 TS_PATH_I

0x101: ADC.

0x0221 TS_PATH_J

0x0E1: buffer and ADC.

0x0241 TS_PATH_K

0x0261 TS_PATH_L

0x0102 INPUTS_A

[15:12] INP78_x

IN7 and IN8 input pair enable.

0x0

R/W

0x0122 INPUTS_B

0000: input pair disabled. IN7 and IN8 disconnected.

0x0142 INPUTS_C

0001: IN7 connected to Channel 1. IN8 disconnected.

0x0162 INPUTS_D

0010: IN7 connected to Channel 2. IN8 disconnected.

0x0182 INPUTS_E

0011: IN7 disconnected. IN8 connected to Channel 1.

0x01A2 INPUTS_F

0100: IN7 disconnected. IN8 connected to Channel 2.

0x01C2 INPUTS_G

0101: IN7 connected to Channel 1. IN8 connected to Channel 2.

0x01E2 INPUTS_H

0110: IN7 connected to Channel 2. IN8 connected to Channel 1.

0x0202 INPUTS_I

0111: IN7 and IN8 connected to Channel 1. Single-ended or

0x0222 INPUTS_J

differentially based on PAIR78.

0x0242 INPUTS_K

1000: IN7 and IN8 connected to Channel 2. Single-ended or

0x0262 INPUTS_L

differentially based on PAIR78.

[11:8]

INP56_x

IN5 and IN6 input pair enable.

0x0

R/W

0000: input pair disabled. IN5 and IN6 disconnected.

0001: IN5 connected to Channel 1. IN6 disconnected.

0010: IN5 connected to Channel 2. IN6 disconnected.

0011: IN5 disconnected. IN6 connected to Channel 1.

0100: IN5 disconnected. IN6 connected to Channel 2.

0101: IN5 connected to Channel 1. IN6 connected to Channel 2.

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