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參數(shù)資料
| 型號： | AK4705 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 2ch 24bit DAC with AV SCART Switch |
| 中文描述： | 2通道24位DAC，具有影音SCART開關(guān) |
| 文件頁數(shù)： | 8/50頁 |
| 文件大?。?/td> | 660K |
| 代理商： | AK4705 |
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[AK4705]
MS0451-E-01
2007/06
- 8 -
PIN/FUNCTION (Continued)
37
38
VSS
VD
-
-
Ground Pin. 0V.
DAC Power Supply Pin, 5V
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel with a
10
μ
F electrolytic cap.
Master Clock Input Pin at DAPD= “0”.
No Connect pin at DAPD= “1”. This pin should be open.
Audio Serial Data Clock Pin at DAPD= “0”.
Rch Analog Audio Input Pin at DAPD= “1”.
Audio Serial Data Input Pin at DAPD= “0”.
No Connect pin at DAPD= “1”. This pin should be open.
L/R Clock Pin at DAPD= “0”.
Lch Analog Audio Input Pin at DAPD= “1”.
Control Data Clock Pin
Control Data Pin
Power-Down Mode Pin
When at “L”, the AK4705 is in the power-down mode and is held in reset. The
AK4705 should always be reset upon power-up.
Composite Output Pin for RF modulator
Composite/Luminance Output Pin for VCR
Fast Blanking Output Pin for TV
MCLK
(NC)
BICK
DACR
SDTI
(NC)
LRCK
DACL
SCL
SDA
PDN
I
-
I
I
I
-
I
I
I
39
40
41
42
43
44
45
I/O
I
46
47
48
RFV
VCRVOUT
TVFB
O
O
O
■
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification
Pin Name
VCRC, TVVOUT, TVRC, TVG, TVB, ENCB,
ENCG, ENCRC, ENCC, ENCV, ENCY, TVVIN,
VCRVIN, VCRRC, VCRG, VCRB, VCRINR,
VCRINL, TVINR, TVINL, VCROUTR, VCROUTL,
TVOUTR, TVOUTL, MONOOUT, DACR, DACL,
RFV, VCRVOUT
VCRSB (O), TVFB, TVSB
Digital
VCRFB, VCRSB (I), MCLK, BICK, SDTI, LRCK,
SCL, SDA, INT
Setting
These pins should be open.
Analog
These pins should be open.
These pins should be connected to VSS.
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