ICM7321 ICMIC [IC MICROSYSTEMS], ICM7321 Datasheet - Page 5

• Manufacturer Part Number: ICM7321
• Description: SINGLE 12/10/8-BIT VOLTAGE-OUTPUT DACS
• Manufacturer: ICMIC [IC MICROSYSTEMS]

Rev. A8
SCK
SDI
CS
MSB
C3
C3
C3
C3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
C2
C2
C2
C2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
C1
C3
C1
C1
C1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
C0
C0
C0
C2
Input Word for DAC N
ICmic reserves the right to change the specifications without prior notice.
C0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Figure 2: Contents of ICM7361 Input Shift Register
Figure 3: Contents of ICM7341 Input Shift Register
Figure 4: Contents of ICM7321 Input Shift Register
D11
D9
D7
Table 1: Serial Interface Control Command
Figure 1: Serial Interface Timing Diagram
t
2
DATA
Data
Data
Data
t
D10
D8
3
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
t
1
D7
D9
D5
FUNCTION
Load Input Latch
Update DAC
Load Input Latch and Update DAC
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
No Operation
D8
D6
D4
D7
D5
D3
D6
D4
D2
MSB
D5
D3
D1
D4
D2
D0
t
4
D3
D1
X
t
D2
D0
6
X
D1
X
X
t
5
LSB
LSB
LSB
D0
X
X
5