Rainbow Electronics MAX5353 - Manual (Page 11)

S0
MAX5352/MAX5353
Low-Power, 12-Bit Voltage-Output DACs
with Serial Interface
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CS
SCLK
DIN
COMMAND
EXECUTED
9 8 16 1
C1 C2 S0 C0 D11 D10 D9 D8 D5 D4 D3 D2 D1 D0 D7 D6
Figure 5. Serial-Interface Timing Diagram
Figure 6. Detailed Serial-Interface Timing Diagram
Table 1. Serial-Interface Programming Commands
“X” = Don’t care
SCLK
DIN
t CSO
t
CSS
t CL
t
CH
t CP
t
CSW
t CS1
t CSH
t DS
t
DH
CS
16-BIT SERIAL WORD
0 1 1
X 0 0
X 0 1
X 1 0
1 1 1
No operation (NOP)
Load input register; DAC register immediately updated (also exit shutdown).
D11...............D0
MSB
LSB
FUNCTION
Load input register; DAC register unchanged.
C2 C1 C0
Update DAC register from input register (also exit shutdown; recall previ-
ous state).
Shutdown
XXXXXXXXXXXX
12 bits of data
12 bits of data
XXXXXXXXXXXX
XXXXXXXXXXXX
S0
0
0
X
X
X