AK2305 Datasheet, PDF (23/43 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN TERMINAL ADAPTER

ASAHI KASEI
[AK2305]
WRITE
CS
Must goes up once
Goes up anytime
after SCLK14th pulse
SCLK
1234
13 14
1234
13 14
DATA ^Z 1 1 0 0 0 * D7
D1 D0
Z
1 1 0 1 0 * D7
D1 D0 ^Z
Instruction Address
code
”000”
WRITE data to
address”000”
WRITE at the
rising edge of
Instruction Address
code
”010”
SCLK 14th pulse
Z
WRITE data to
address”010”
DATApin : Input Status
(Hi-Z)
WRITE - CANCELLATION -
WRITE cancellation
CS
SCLK
1234
13 14
1234
13 14
DATA ^Z 1 1 0 0 0 * D7
D1 D7
Z
1 1 0 1 0 * D7
D1 D0 ^Z
Instruction Address
code
”000”
WRITE data to
address”000”
WRITE is not
executed
Instruction Address
code
”010”
WRITE data to
address”010”
WRITE - SERIAL ACCESS -
CS
SCLK
1234
13 14
1234
13 14
DATA ^Z 1 1 0 0 0 * D7
D1 D0 Z 1 1 0 1 0 * D7
D1 D0 Z
Instruction Address
code
”000”
WRITE data to
address”000”
Instructi
on code
Execute
Address
”010”
WRITE data to
address”010”
Not Execute
C0029-E-02
23
1999/8