AK2308LV_05 Datasheet, PDF (6/31 Pages) Asahi Kasei Microsystems – SPEECH CODEC for Digital Key telephone

ASAHI KASEI
WRITE
Continuous SCLK
CSN
[AK2308LV]
Goes up anytime
after SCLK 16^th pulse and before 32^nd pulse
SCLK
123456789
16
1234
89
15 16
DATA ^Z 1 1 1 0 0 0 0 * D7
D0
Z
111
Instruction
Code
Address
“0000”
Write data to
address”000”
WRITE at the rising
edge of SCLK 16^th
pulse
Instruction
Code
D7
D1 D0 ^Z
Write data
Burst SCLK
SCLK can be stoped at “H” level or “L” level at anytime during the write cycle. After resuming the SCLK, write cycle is
retrieved normally.
CSN
Goes up anytime
after SCLK 16^th pulse and 32^nd pulse
SCLK
12345678
9
16
DATA ^Z 1 1 1 0 0 0 0 *
Instruction
Code
Address
”0000”
D7
D0
Z
Write data to
address “000”
WRITE at the rising
edge of SCLK 16^th
pulse
CANCELLATION
CSN
CSN goes “H” before the rising
edge of 16^th SCLK pulse
SCLK
123456789
16
DATA ^Z 1 1 1 0 0 0 0 * D7
D0
Instruction
Code
Address
”0000”
Write data to
address”000”
Z
Write is not
Excuted
Z
DATA pin: Input mode
(Hi-Z)
MS0227-E-01
6
2005/12