AK2306 Datasheet, PDF (21/38 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER

ASAHI KASEI
SERIAL ACCESS
Serial access with CSN staying “L” during the serise of read cycle.
CSN
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
CSN
SCLK
123456789
16
DATA ^Z I3 I2 I1 I0 A2 A1 A0
Z
IInstructions except specified
0bbb
10bb
110b
(b=0 or 1)
Address
W RIT E/READ
NOT EXCUTED!
[AK2306/LV]
1234
1110
Read
Instruction
89
15 16
Z
READ
NOT EXCUTED!
Z
DATA pin: Input mode
(Hi-Z)
MS0093-E-04
21
2001/11