AK4705 Datasheet, PDF (8/50 Pages) Asahi Kasei Microsystems – 2ch 24bit DAC with AV SCART Switch

[AK4705]
37 VSS
38 VD
39 MCLK
(NC)
40 BICK
DACR
41 SDTI
(NC)
42 LRCK
DACL
43 SCL
44 SDA
45 PDN
46 RFV
47 VCRVOUT
48 TVFB
PIN/FUNCTION (Continued)
- Ground Pin. 0V.
- DAC Power Supply Pin, 5V
Normally connected to VSS with a 0.1μF ceramic capacitor in parallel with a
10μF electrolytic cap.
I Master Clock Input Pin at DAPD= “0”.
- No Connect pin at DAPD= “1”. This pin should be open.
I Audio Serial Data Clock Pin at DAPD= “0”.
I Rch Analog Audio Input Pin at DAPD= “1”.
I Audio Serial Data Input Pin at DAPD= “0”.
- No Connect pin at DAPD= “1”. This pin should be open.
I L/R Clock Pin at DAPD= “0”.
I Lch Analog Audio Input Pin at DAPD= “1”.
I Control Data Clock Pin
I/O Control Data Pin
I 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.
O Composite Output Pin for RF modulator
O Composite/Luminance Output Pin for VCR
O Fast Blanking Output Pin for TV
■ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification
Analog
Digital
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
VCRFB, VCRSB (I), MCLK, BICK, SDTI, LRCK,
SCL, SDA, INT
Setting
These pins should be open.
These pins should be open.
These pins should be connected to VSS.
MS0451-E-01
-8-
2007/06