參數(shù)資料
型號: AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器
文件頁數(shù): 19/107頁
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 19 -
Parameter
Control Interface Timing (I
2
C Bus mode)
(
Note 33
)
SCL Clock Frequency
Bus Free Time Between Transmissions
Start Condition Hold Time (prior to first clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling
(
Note 34
)
SDAA, SDAT Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Capacitive Load on Bus
Pulse Width of Spike Noise Suppressed by Input Filter
Power-down & Reset Timing
PDN Pulse Width (
Note 35
)
PMADL or PMADR “
” to SDTO valid (
Note 36
)
Note 33. I
2
C is a registered trademark of Philips Semiconductors.
Note 34. Data must be held long enough to bridge the 300ns-transition time of SCL.
Note 35. The AK4673 can be reset by the PDN pin = “L”.
Note 36. This is the count of LRCK “
” from the PMADL or PMADR bit = “1”.
Symbol
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
Cb
tSP
tPD
tPDV
min
-
1.3
0.6
1.3
0.6
0.6
0
0.1
-
-
0.6
-
0
150
-
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1059
max
400
-
-
-
-
-
-
-
0.3
0.3
-
400
50
-
-
Units
KHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
pF
ns
ns
1/fs
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