AMC7891_14 Datasheet, PDF (16/42 Pages) Texas Instruments – Analog Monitor and Control Circuit with 10-Bit, Multi-Channel ADC and Four DACs, Temperature Sensor, and 12 GPIOs

AMC7891
SBAS518A – AUGUST 2011 – REVISED DECEMBER 2011
www.ti.com
REGISTER MAP
The AMC7891 has 16-bit registers containing device configuration and conversion results. A 7-bit register
address indicates the proper register.
NAME
TEMP_data
TEMP_config
TEMP_rate
ADC0_data
ADC1_data
ADC2_data
ADC3_data
ADC4_data
ADC5_data
ADC6_data
ADC7_data
DAC0_data
DAC1_data
DAC2_data
DAC3_data
DAC0_clear
DAC1_clear
DAC2_clear
DAC3_clear
GPIO_config
ADDR
0x00
0x0A
0x0B
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
GPIO_out
0x34
GPIO_in
0x35
AMC_config
0x36
ADC_enable
0x37
ADC_gain
0x38
DAC_clear
0x39
DAC_sync
0x3A
AMC_power
AMC_reset
AMC_ID
0x3B
0x3E
0x40
Table 2. Register Map
DEFAULT
0x0000
0x0008
0x0007
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
NA
0x2000
0x0000
0xFF00
0x0000
0x0000
0x0000
0x0000
0x0044
MSB
LSB
BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
tempdata(11:0)
0
0
0
0
0
0
0
0
0
0
0
0
temp_
en
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
temp_rate(2:0)
0
0
0
0
0
0
adc0_data(9:0)
0
0
0
0
0
0
adc1_data(9:0)
0
0
0
0
0
0
adc2_data(9:0)
0
0
0
0
0
0
adc3_data(9:0)
0
0
0
0
0
0
adc4_data(9:0)
0
0
0
0
0
0
adc5_data(9:0)
0
0
0
0
0
0
adc6_data(9:0)
0
0
0
0
0
0
adc7_data(9:0)
0
0
0
0
0
0
dac0_data(9:0)
0
0
0
0
0
0
dac1_data(9:0)
0
0
0
0
0
0
dac2_data(9:0)
0
0
0
0
0
0
dac3_data(9:0)
0
0
0
0
0
0
dac0_clear(9:0)
0
0
0
0
0
0
dac1_clear(9:0)
0
0
0
0
0
0
dac2_clear(9:0)
0
0
0
0
0
0
dac3_clear(9:0)
0
0
0
0
ioc3_ ioc2_ ioc1_ ioc0_ iob3_ iob2_ iob1_ iob0_ ioa3_ ioa2_ ioa1_ ioa0_
io
io
io
io
io
io
io
io
io
io
io
io
0
0
0
0
ioc3_ ioc2_ ioc1_ ioc0_ iob3_ iob2_ iob1_ iob0_ ioa3_ ioa2_ ioa1_ ioa0_
out
out
out
out
out
out
out
out
out
out
out
out
0
0
0
0
ioc3_ ioc2_ ioc1_ ioc0_ iob3_ iob2_ iob1_ iob0_ ioa3_ ioa2_ ioa1_ ioa0_
in
in
in
in
in
in
in
in
in
in
in
in
0
0
adc_
mode
adc_tr
ig
dac_lo
ad
resvd
adc_rate(1:0)
adc_r
eady
0
0
0
0
0
0
0
0
adc0_
en
adc1_
en
resvd
adc2_
en
adc3_
en
resvd
adc4_
en
adc5_
en
adc6_
en
adc7_
en
0
0
0
0
0
adc0_ adc1_ adc2_ adc3_ adc4_ adc5_ adc6_ adc7_
gain gain gain gain gain gain gain gain
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
dac3_ dac2_ dac1_ dac0_
clear clear clear clear
0
0
0
0
0
0
0
0
0
0
0
0
dac3_ dac2_ dac1_ dac0_
sync sync sync sync
0
adc_o
n
ref_on
dac0_
on
dac1_
on
dac2_
on
dac3_
on
0
0
0
0
0
0
0
0
0
reset(15:0)
device_id(15:0)
16
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