AK2303LV Datasheet, PDF (20/41 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for PBX Analog Line Card

ASAHI KASEI
WRITE
Continuous SCLK
CSN
Must goes up once
[AK2303LV]
Goes up anytime
after SCLK 16^th pulse
SCLK
123456789
16
1234
89
15 16
DATA ^Z 1 1 1 1 0 0 0 * D7
D0
Z
1111
Instruction
Code
Address
“000”
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 stop at “H” level or “L” level at anytime during the write cycle. After resuming the SCLK, write cycle is
retrieved
normally.
CSN
Must go up once
Goes up anytime
after SCLK 16^th pulse
SCLK
12345678
9
16
DATA ^Z 1 1 1 1 0 0 0 *
Instruction
Code
Address
”000”
D7
D0
Z
Write data to
address “000”
WRITE at the rising
edge of SCLK 16^th
pulse
CANCELLATION
CSN goes “H” before the rising
edge of 16^th SCLK pulse
CS
SCLK
123456789
16
DATA ^Z 1 1 1 1 0 0 0 * D7
D0
Instruction
Code
Address
”000”
Write data to
address”000”
Z
Write is not
Excuted
Z
DATA pin : Input mode
(Hi-Z)
2303-E-00
20
2001/09