NAME FUNCTION
1 1 SDA
Bidirectional Data I/O. I
2
C-compatible, 2-wire interface data input/output. Output
is open drain.
2 2 SCL Serial-Clock Input. I
2
C-compatible, 2-wire clock interface.
3 3 DEV_ADDR
Device Address Set Input. Connect to GNDVID to set write and read addresses of
94h or 95h, respectively. Connect to V
VID
to set write and read address of 96h or
97h, respectively.
4 — ENC_INL+ Digital Encoder Left-Channel Audio Positive Input
— 4 ENC_INL Digital Encoder Left-Channel Audio Input
5 — ENC_INL- Digital Encoder Left-Channel Audio Negative Input
— 5, 7 N.C. No Connection. Not internally connected.
6 — ENC_INR+ Digital Encoder Right-Channel Audio Positive Input
— 6 ENC_INR Digital Encoder Right-Channel Audio Input
7 — ENC_INR- Digital Encoder Right-Channel Audio Negative Input
8 8 VCR_INR VCR SCART Right-Channel Audio Input
9 9 VCR_INL VCR SCART Left-Channel Audio Input
10 10 TV_INR TV SCART Right-Channel Audio Input
11 11 TV_INL TV SCART Left-Channel Audio Input
12 12 GNDAUD Audio Ground
13 13 AUD_BIAS
Audio Input Bias Voltage. Bypass AUD_BIAS with a 47µF capacitor and a 0.1µF
capacitor to GNDAUD.
14 14 V
AUD
Audio Supply. Connect to a +5V supply. Bypass with a 10µF aluminum electrolyte
capacitor in parallel with a 0.47µF low-ESR ceramic capacitor to GNDAUD.
15 15 VCR_OUTR VCR SCART Right-Channel Audio Output
16 16 VCR_OUTL VCR SCART Left-Channel Audio Output
17 17
RF Modulator Mono Audio Output
18 18 TV_OUTL TV SCART Left-Channel Audio Output
19 19 TV_OUTR TV SCART Right-Channel Audio Output
20 20 V
12
+12V Supply. Bypass V
12
with a 10µF capacitor in parallel with a 0.1µF capacitor
to ground.
21 21 TV_SS TV SCART Bidirectional Slow-Switch Signal
22 22 VCR_SS VCR SCART Bidirectional Slow-Switch Signal
23 23 SET Filter Cutoff Frequency Set Input. Connect 100kΩ resistor from SET to ground.
24, 36 24, 36 V
VID
Video and Digital Supply. Connect to a +5V supply. Bypass with a 0.01µF
capacitor to GNDVID. V
VID
also serves as a digital supply for the I
2
C interface.
25 25 VCRIN_FS VCR SCART Fast-Switching Input
26 26 ENCIN_FS Digital Encoder Fast-Switching Input
27 27 TVOUT_FS
TV SCART Fast-Switching Output. This signal is used to switch the TV to its RGB
inputs for on-screen display purposes.
28 28 GNDVID Video Ground
