MAX1220 Datasheet, PDF (39/47 Pages) Maxim Integrated Products – 12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
t_CH
t_CL
SCLK
1
2
3
t_DH
t_DS
4
5
DIN
D15
D14
D13
D12
D11
t_DOE
t_DOT
DOUT
D15
D14
D13
D12
D7
D6
D5
D4
t_CSS
t_CSPWH
CS
Figure 11. DAC/GPIO Serial-Interface Timing (Clock Mode 11)
32
16
8
D1
D1
D0
t_DOD
D0
t_CSH
SCLK
1
2
8
9
10
24
DIN
DOUT
CS
BIT 7 (MSB)
BIT 6
BIT 0 (LSB) BIT 15
BIT 14
BIT 1
BIT 0
THE COMMAND BYTE
INITIALIZES THE DAC SELECT
REGISTER
THE NEXT 16 BITS SELECT THE DAC
AND THE DATA WRITTEN TO IT
Figure 12. DAC-Select Register Byte and DAC Serial-Interface Word
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