AK2303LV Datasheet, PDF (22/41 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for PBX Analog Line Card

ASAHI KASEI
SERIAL ACCESS
Serial access with CSN staying “L” during the serise of read cycle.
CS
SCLK
123456789
16
DATA ^Z 1 1 1 0 0 0 0 ^Z D7
D0
Z
Read
Instruction
Address
”000”
Read data
READ
EXCUTED!
DISCORD OF INSTRUCTION CODE
CS
SCLK
123456789
16
DATA ^Z I3 I2 I1 I0 A2 A1 A0
Z
IInstructions except specified
0bbb
10bb
110b
(b=0 or 1)
Address
WRITE/READ
NOT EXCUTED!
[AK2303LV]
1234
1110
Read
Instruction
89
15 16
Z
READ
NOT EXCUTED!
Z
DATA pin: Input mode
(Hi-Z)
2303-E-00
22
2001/09