Rainbow Electronics MAX5351 - Manual (Page 11)

MAX535/MAX5351
Low-Power, 13-Bit Voltage-Output DACs
with Serial Interface
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CS
SCLK
DIN
COMMAND
EXECUTED
9 8 16 1
C1 C2 D0 C0 D12 D11 D10 D9 D6 D5 D4 D3 D2 D1 D8 D7
Figure 5. Serial-Interface Timing Diagram
Figure 6. Detailed Serial-Interface Timing Diagram
Table 1. Serial-Interface Programming Commands
“X” = Don’t care
XXXXXXXXXXXXX
XXXXXXXXXXXXX
13 bits of data
13 bits of data
XXXXXXXXXXXXX
Shutdown
Update DAC register from input register (also exit shutdown; recall previ-
ous state).
C2 C1 C0
Load input register; DAC register unchanged.
FUNCTION
D12............................D0
MSB
LSB
Load input register; DAC register immediately updated (also exit shutdown).
No operation (NOP)
1 1 1
X 1 0
X 0 1
X 0 0
0 1 1
16-BIT SERIAL WORD
SCLK
DIN
t CSO
t CSS
t CL
t CH
t
CP
t
CSW
t CS1
t
CSH
t
DS
t DH
CS