AMC7891_14 Datasheet, PDF (18/42 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
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Register name: DACn_data – Address: 0x2B to 0x2E, Default: 0x0000 (READ/WRITE)⁽¹⁾
Register
Name
Addres Bit
s
Name
Function
DACn_ data 0x2B to 15:10 Reserved
0x2E _{9:0 dacn_data(9:0)}
Reserved for factory use.
Stores the 10-bit data to be loaded to the DACn latches in straight
binary format.
Output Channel
DACOUT_0
DACOUT_1
DACOUT_2
DACOUT_3
DAC Register
Value
dac0_data(9:0)
dac1_data(9:0)
dac2_data(9:0)
dac3_data(9:0)
Register
Address
0x2B
0x2C
0x2D
0x2E
(1) All DACn_data registers are formatted in the manner shown here. n = 0, 1, …, 3
Register name: DACn_clear – Address: 0x2F to 0x32, Default: 0x0000 (READ/WRITE)⁽¹⁾
Register
Name
Address Bit
Name
Function
DACn_ clear
0x2F to 15:10
0x32 _9:0
Reserved
Reserved for factory use.
dacn_clear(9:0 Stores the 10-bit data to be loaded to the DACn when cleared.
)
Straight binary format.
Output Channel
DACOUT_0
DACOUT_1
DACOUT_2
DACOUT_3
DAC Clear Value
dac0_clear(9:0)
dac1_clear(9:0)
dac2_clear(9:0)
dac3_clear(9:0)
Register
Address
0x2F
0x30
0x31
0x32
(1) All DACn_data registers are formatted in the manner shown here. n = 0, 1, …, 3
Default
Value
All zeros
All zeros
Default
Value
All zeros
All zeros
Register name: GPIO_config – Address: 0x33, Default: 0x0000 (READ/WRITE)
Register
Name
Address Bit Name
Function
GPIO_config 0x33
15:12 Reserved Reserved for factory use.
11 ioc3_io When cleared to ‘0’ the corresponding GPIO is configured as an input and
set on high-impedance state (default).
10 ioc2_io
9
ioc1_io
When set to ‘1’ the corresponding GPIO is configured as an output.
8
ioc0_io
7
iob3_io
6
iob2_io
5
iob1_io
4
iob0_io
3
ioa3_io
2
ioa2_io
1
ioa1_io
0
ioa0_io
Default
Value
All zeros
0
0
0
0
0
0
0
0
0
0
0
0
18
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