ICM7561 Datasheet, PDF (5/9 Pages) IC MICROSYSTEMS – 12/10/8-Bit Low Power Single DAC With Serial Interface and Voltage Output

SERIAL INTERFACE TIMING AND OPERATION DIAGRAM
ICM7561/7541/7521
t5
t1
CS
SCK
t4
t6
SDI
C3
C2
C1
t2
t3
MSB
D0
LSB
Figure 1. Serial Interface Timing Diagram
CS
(ENABLE
SCK)
(UPDATE
OUTPUT)
SCK
SDI
1
2
3
4
5
6
7
8
9
10 11 12
13 14
15 16
C3
C2
C1
C0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
MSB
LSB
Figure 2. Serial Interface Operation Diagram
CONTENTS OF INPUT SHIFT REGISTER
DEVICE
ICM7561
ICM7541
ICM7521
BIT CONTROL WORD
DATA WORD
MSB
LSB
12 C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
10 C3 C2 C1 C0 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 A1 A0
8 C3 C2 C1 C0 D7 D6 D5 D4 D3 D2 D1 D0 X X A1 A0
Figure 3. Contents of Input Shift Register
Rev. A6
ICmic reserves the right to change specifications without prior notice
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