SMP9210S View Datasheet(PDF) - Summit Microelectronics
Part Name
Description
MFG CO.
'SMP9210S' PDF : 13 Pages View PDF
SMP9210, SMP9211, SMP9212
Preliminary
CONFIGURATION REGISTER
Note: All parts are normally shipped with the Configura-
tion Register locked. Unlocked user configurable parts
are available on a special order basis. Contact the
factory.
Master
SDA
Optional
S
T
R/
O
W
Command Byte
P
1
0
0
1
AA
21
A
0
1
CC CCCCCC
76 543210
Slave
A
A
C
C
K
K
2048 Fig05
Figure 5. Configuration Register (see Table 3)
MSB
C7
C6
C5
C4
C3
C2
C1
x
x
x
x
0
0
x
0
1
x
x
x
x
1
0
1
1
0
1
x
x
PDA3* PDA2* PDA1* PDA0* x
* Note: Never set the DAC address to 1001BIN. The Slave address for the
configuration register is 1001BIN, and a collision will occur on the I2C bus.
LSB
C0
0
1
x
Function
Configuration register accessible
Configuration register locked
Power on recall: DACs set to all 0s
Power on recall: DACs set to all 1s
Power on recall: DACs set to mid scale
Power on recall: DACs set to NV register
At power down VOUT = low impedance
At power down VOUT = high impedance
Programmble DAC address
2048 Table03 3.1
Table 3. Configuration Register
10
2048 3.3 10/03/01
SUMMIT MICROELECTRONICS, Inc.
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