AK2306 Datasheet, PDF (32/38 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER

ASAHI KASEI
SERIAL INTERFACE
Parameter
SCLK Frequency
SCLK Pulse Width High
SCLK Pulse Width Low
CSN Pulse Width Low
Hold Time: SCLK High to CSN Low
Setup Time: CSN Low to SCLK High
Rising Time: CSN,SCLK
Falling Time: CSN,SCLK
WRITE
Setup Time: DATA to SCLK High
Hold Time: SCLK High to DATA
Hold Time: SCLK Low to CSN High
READ
Delay Time: SCLK Low to DATA pin drive
Delay Time: SCLK Low to DATA valid
Delay Time: SCLK Low to DATA High-Z
Delay Time: CSN High to DATA High-Z
CSN Pulse Width High
[AK2306/LV]
Symbol Min Typ Max Units Ref fig
1/t_PSCLK
4 MHz
t_WSH
40
ns
t_WSL
40
t_WCL
16
t_HCS
80
ns
SCL
K _Fig4
ns
t_SCS
40
ns
t_R
100 ns
t_F
100 ns
t_SDC
40
t_HDC
40
t_HCS2
0
ns
ns Fig4
ns
t_DDD
0
t_DVD
t_DZSD
0
t_DZCD
0
t_WCH
40
ns
Fig5
60 ns
60 ns
60 ns Fig6
ns
MS0093-E-04
32
2001/11