Rainbow Electronics MAX5355 - Manual (Page 11)

MAX5354/MAX5355
10-Bit Voltage-Output DACs
in 8-Pin µMAX
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16-BIT SERIAL WORD
CS
SCLK
DIN
COMMAND
EXECUTED
9 8 16 1
C1 C2 S0 C0 D9 D8 D7 D6 D3 D2 D1 D0 S2 S1 D5 D4
Figure 5. Serial-Interface Timing Diagram
Figure 6. Detailed Serial-Interface Timing Diagram
Table 1. Serial-Interface Programming Commands
“X” = Don’t care
XXXXXXXXXX
XXXXXXXXXX
10 bits of data
10 bits of data
XXXXXXXXXX
XXX
XXX
C2 C1 C0
000
S2...S0
D9.......................D0
MSB
LSB
000
XXX
1 1 1
X 1 0
X 0 1
X 0 0
0 1 1
SCLK
DIN
t
CSO
t CSS
t CL
t CH
t CP
t CSW
t
CS1
t CSH
t DS
t DH
CS
Shutdown
Update DAC register from input register (also exit shutdown; recall
previous state).
Load input register; DAC register unchanged.
FUNCTION
Load input register; DAC register immediately updated (also exit
shutdown).
No operation (NOP)
16-BIT SERIAL WORD