Datasheet

ADS1293

www.ti.com

SNAS602B –FEBRUARY 2013–REVISED MARCH 2013

Operation Mode Registers

Table 14. CONFIG: Main Configuration

Addr BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0

0x00 PWR_DOWN STANDBY START_CON

[7:3] RESERVED —

[2] PWR_DOWN Power-down mode

0: Disabled (default)

1: Circuit powered down

[1] STANDBY Stand-by mode

0: Disabled

1: Most circuits powered down (default)

[0] START_CON Start conversion

0: Disabled (default)

1: Conversion active

Note: Programming START_CON = 1 locks write access to registers 0x11, 0x12, 0x13 and

0x21–0x29.

Input Channel Selection Registers

Table 15. FLEX_CH1_CN: Flex Routing Switch Control for Channel 1

Addr BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0

0x01 TST1 POS1 NEG1

[7:6] TST1 Test signal selector

00: Test signal disconnected and CH1 inputs determined by POS1 and NEG1 (default)

01: Connect channel one to positive test signal

10: Connect channel one to negative test signal

11: Connect channel one to zero test signal

[5:3] POS1 Positive terminal of channel 1

000: Positive terminal is disconnected (default)

001: Positive terminal connected to input IN1

010: Positive terminal connected to input IN2

011: Positive terminal connected to input IN3

100: Positive terminal connected to input IN4

101: Positive terminal connected to input IN5

110: Positive terminal connected to input IN6

[2:0] NEG1 Negative terminal of channel 1

000: Negative terminal is disconnected (default)

001: Negative terminal connected to input IN1

010: Negative terminal connected to input IN2

011: Negative terminal connected to input IN3

100: Negative terminal connected to input IN4

101: Negative terminal connected to input IN5

110: Negative terminal connected to input IN6

Product Folder Links: ADS1293