Datasheet

ADS1291
ADS1292
ADS1292R
www.ti.com SBAS502B –DECEMBER 2011–REVISED SEPTEMBER 2012
REGISTER MAP
Table 14 describes the various ADS1291, ADS1292, and ADS1292R registers.
Table 14. Register Assignments
RESET
VALUE
ADDRESS REGISTER (Hex) BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
Device Settings (Read-Only Registers)
00h ID XX REV_ID7 REV_ID6 REV_ID5 1 0 0 REV_ID1 REV_ID0
Global Settings Across Channels
SINGLE_
01h CONFIG1 02 0 0 0 0 DR2 DR1 DR0
SHOT
PDB_LOFF_
02h CONFIG2 80 1 PDB_REFBUF VREF_4V CLK_EN 0 INT_TEST TEST_FREQ
COMP
03h LOFF 10 COMP_TH2 COMP_TH1 COMP_TH0 1 ILEAD_OFF1 ILEAD_OFF0 0 FLEAD_OFF
Channel-Specific Settings
04h CH1SET 00 PD1 GAIN1_2 GAIN1_1 GAIN1_0 MUX1_3 MUX1_2 MUX1_1 MUX1_0
05h CH2SET 00 PD2 GAIN2_2 GAIN2_1 GAIN2_0 MUX2_3 MUX2_2 MUX2_1 MUX2_0
RLD_LOFF_
06h RLD_SENS 00 CHOP1 CHOP0 PDB_RLD RLD2N RLD2P RLD1N RLD1P
SENS
07h LOFF_SENS 00 0 0 FLIP2 FLIP1 LOFF2N LOFF2P LOFF1N LOFF1P
08h LOFF_STAT 00 0 CLK_DIV 0 RLD_STAT IN2N_OFF IN2P_OFF IN1N_OFF IN1P_OFF
GPIO and Other Registers
RESP_ RESP_MOD_
09h RESP1 00 RESP_PH3 RESP_PH2 RESP_PH1 RESP_PH0 1 RESP_CTRL
DEMOD_EN1 EN
0Ah RESP2 02 CALIB_ON 0 0 0 0 RESP_FREQ RLDREF_INT 1
0Bh GPIO 0C 0 0 0 0 GPIOC2 GPIOC1 GPIOD2 GPIOD1
User Register Description
ID: ID Control Register (Factory-Programmed, Read-Only)
Address = 00h
BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
REV_ID7 REV_ID6 REV_ID5 1 0 0 REV_ID1 REV_ID0
This register is programmed during device manufacture to indicate device characteristics.
Bits[7:5] REV_ID[7:5]: Revision identification
000 = Reserved
001 = Reserved
010 = ADS1x9x device
011 = ADS1292R device
100 = Reserved
101 = Reserved
110 = Reserved
111 = Reserved
Bit 4 Reads high
Bits[3:2] Reads low
Bits[1:0] REV_ID[1:0]: Revision identification
00 = ADS1191
01 = ADS1192
10 = ADS1291
11 = ADS1292 and ADS1292R
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Product Folder Links: ADS1291 ADS1292 ADS1292R