Rainbow Electronics MAX5295 - Manual (Page 19)

MAX5290–MAX5295
Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,
Voltage-Output DACs
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CONTROL BITS
DATA BITS
DATA
C3
C2
C1
C0
D1
D1
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
SELECT BITS
D
IN
11
10
00
X
X
X
X
X
X
X
X
M
B
M
A
Load DAC register A from input register A when MA is 1. DAC register A is unchanged if MA is 0. Load DAC register B from input register B when MB is 1. DAC register B is unchanged if MB is 0.
SHUTDOWN-MODE BITS
DIN
1
1
1
0
0
1
0
X
X
X
X
X
PDB1
PDB0
PDA1
PDA0
Write DACA and DACB shutdown mode bits. See Table 8.
D
IN
1
1
1
0
0
1
1
X
XX
XXX
XX
X
DOUTRB
X
X
X
X
X
X
X
X
X
X
X
X
PDB1
PDB0
PDA1
PDA0
Read DACA and DACB shutdown mode bits.
UPIO CONFIGURATION BITS
DIN
1
1
1
0
1
0
0
X
UPSL2
UPSL1
UP3
UP2
UP1
UP0
X
X
Write UPIO configuration bits. See Tables 19 and 22.
D
IN
1
1
1
0
1
0
1
X
XX
XXX
XX
X
DOUTRB
X
X
X
X
X
X
X
X
UP3-2
UP2-2
UP1-2
UP0-2
UP3-1
UP2-1
UP1-1
UP0-1
Read UPIO configuration bits.
SETTLING-TIME-MODE BITS
DIN
1
1
1
0
1
1
0
X
X
X
X
X
X
X
SPDB
SPDA
Write DACA and DACB settling-time mode bits.
D
IN
1
1
1
0
1
1
1
X
XX
XXX
XX
X
DOUTRB
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SPDB
SPDA
Read DACA and DACB settling-time mode bits.
CPOL AND CPHA CONTROL BITS
DIN
1
1
1
1
0
0
0
0
X
X
X
X
X
X
CPOL
CPHA
Write CPOL, CPHA control bits. See Table 15.
D
IN
11
11
00
01
X
X
X
X
X
X
X
X
DOUTRB
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CPOL
CPHA
Read CPOL, CPHA control bits.
Table 2b. Advanced-Feature Programming Commands
X = Don’t care.