AK2305 Datasheet, PDF (24/43 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN TERMINAL ADAPTER

ASAHI KASEI
READ
Must goes up once
DATA
1
3
1
0
0
Instruction
code
Address
”000”
13
D7
D1
READ data from
address”000”
[AK2305]
1
3
Z
0
1
Instruction Address
code
”010”
13
D0
READ data from
address”010”
READ - OUTPUT PERIOD OF DATA PIN -
CS
SCLK
1234
13 14
1234
13 14
DATA ^Z 1 0 0 0 0 Z D7
D1 D0
Z
1 0 0 1 0 Z* D7
D1 D0
Z
Instruction Address
code
”000”
READ data from
address”000”
Instruction Address
code
”010”
READ data from
address”010”
READ PERIOD:
Till the earlier edge of either CS rising up or SCLK 14th pulse falling.
READ - SERIAL ACCESS -
CS
SCLK
1234
13 14
1234
DATA ^Z 1 0 0 0 0 *Z D7
D1 D0 Z 1 0 0 1 0
Instruction
code
Address
”000”
READ data from
address”000”
Instruction
code
Execute
Address
”010”
13 14
Z
READ data from
address”010”
Not Execute
DISCORD OF INSTRUCTION CODE
CS
SCLK
1234
13 14
DATA
00000
Other codes
(not Instruction
code)
Address
”000”
Z
WRITE/READ is
not executed
1234
0 1 0 10
Other codes
(not Instruction
code)
Address
”010”
13 14
Z
WRITE/READ is
not executed
C0029-E-02
24
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