MAX1021 Datasheet, PDF (29/40 Pages) Maxim Integrated Products – 10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
Table 17. DAC Serial-Interface Configuration
MSB
CONTROL BITS
C3 C2 C1 C0 D9
0000 X
0001 0
0001 1
0010—
0011—
0100—
0101—
0110—
0111—
1000—
1001—
1010—
1011—
1100—
16-BIT SERIAL WORD
DATA BITS
D8 D7 D6 D5 D4 D3 D2 D1 D0
X XXXXXXXX
X XXXXXXXX
X XXXXXXXX
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
— ————————
LSB
DESCRIPTION
FUNCTION
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
NOP
RESET
Pull-High
DAC0
DAC1
DAC2
DAC3
DAC4
DAC5
DAC6
DAC7
DAC0–3
DAC4–7
DAC0–7
No operation.
Reset all internal registers to
000h and leave output buffers in
their present state.
Preset all internal registers to
FFFh and leave output buffers in
their present state.
D9–D0 to input register 0, DAC
output unchanged.
D9–D0 to input register 1, DAC
output unchanged.
D9–D0 to input register 2, DAC
output unchanged.
D9–D0 to input register 3, DAC
output unchanged.
D9–D0 to input register 4, DAC
output unchanged (MAX1021).
NOP command (MAX1043).
D9–D0 to input register 5, DAC
output unchanged (MAX1021).
NOP command (MAX1043).
D9–D0 to input register 6, DAC
output unchanged (MAX1021).
NOP command (MAX1043).
D9–D0 to input register 7, DAC
output unchanged (MAX1021).
NOP command (MAX1043).
D9–D0 to input registers 0–3 and
DAC register 0–3. DAC outputs
updated (write-through).
D9–D0 to input registers 4–7 and
DAC register 4–7 (MAX1021).
DAC outputs updated (write-
through). NOP command
(MAX1043).
D9–D0 to input registers 0–7 and
DAC register 0–7 (MAX1021).
D11–D0 to input registers 0–3
and DAC registers 0–3
(MAX1043). DAC outputs
updated (write-through).
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