ak7714 AKM Semiconductor, Inc., ak7714 Datasheet - Page 16

• Manufacturer Part Number: ak7714
• Description: 20-bit Audio Codec With Dsp And Delay Ram
• Manufacturer: AKM Semiconductor, Inc.

[ASAHI KASEI]
4) Microcomputer interface
M0018-E-00
(AVDD = AVB, DVB, DVDD = 5.0 V ±5%, Ta = 25 C, CL = 20 pF)
Microcomputer interface signal
CS Fall time
CS Rise time
Rest time until RDY and SO Hi-Z states
from CS" "
Set time until RDY and SO Hi-Z states
from CS" "
WRQ fall time
WRQ rise time
SCLK fall time
SCLK rise time
SCLK low level width
SCLK high level width
Microcomputer to AK7714
Time from RESET" " to WRQ" "
Time from WRQ" " to RESET" "
WRQ high level width
Time from WRQ " " to SCLK" "
Time from SCLK" " to WRQ" "
SI latch setup time
SI latch hold time
AK7714 to microcomputer
CS high level width
Time from SCLK" " to CS"V"
Time from CS" " to SCLK" "
Time from CS" " to DRDY" "
Delay time from SCLK " " to SO output
AK7714 to microcomputer
SI latch setup time (SI="H")
SI latch setup time (SI="L")
SI latch hold time
Time from SCLK " " to SO (PRAM)
Time from SCLK " " to SO (CRAM, OFRAM)
(RAM DATA read-out)
Parameter
Symbol
tCSF
tCSR
tCSHR
tCSHS
tWRF
tWRR
tSF
tSR
tSCLKL
tSCLKH
tREW
tWRE
tWRQH
tWSC
tSCW
tSIS
tSIH
tCSH
tSCS
tCSC
tCSDR
tSOS
tRSISH
tRSISL
tRSIH
tSOPD
tSOCOD
- 16 -
6 tMCLK
6 tMCLK
Min
150
150
200
200
200
200
100
100
200
200
100
100
100
Typ
Max
100
200
100
100
100
100
10
10
10
10
10
10
[AK7714]
Unit
‘98/07
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns