Y MPEG BOARD IC721 TC90A07U (VIDEO ENCODER)
Pin No.Pin nameI/ODescription
1MIFHIHorizontal synchronous signal input from the MPEG audio/video decoder (IC701).
2MIFFLIVertical synchronous signal input from the MPEG audio/video decoder (IC701).
3MIFFROFrame synchronous signal output terminal. Not used (open)
4VBLNKIIVideo blanking signal input terminal. OL�: blanking
5VDD�Power supply terminal (+3.3V) (digital system).
6GND�Ground terminal (digital system).
7YCDI0I8 bit pixel data (LSB) input from the MPEG audio/video decoder (IC701).
8- 13YCDI1 � YCDI6I8 bit pixel data input from the MPEG audio/video decoder (IC701).
14YCDI7I8 bit pixel data (MSB) input from the MPEG audio/video decoder (IC701).
NTSC/PAL mode selection signal input from the MPEG audio/video decoder (IC701).
15MODEI
OL�: NTSC, OH�: PAL
16VBLNKOOVideo blanking signal output terminal.
17VDD�Power supply terminal (+3.3V) (digital system).
18GND�Ground terminal (digital system).
Low-pass filter on/off control signal input for the internal CbCr. OL�: on, OH�: off
19CLPFI
Fixed at OL� in this set
20BFOBurst flag pulse output terminal. Not used (open)
21BLKOBlanking signal output terminal. Not used (open)
Field discrimination signal output terminal. OL�: odd number field, OH�: even number field
22FLDO
Not used (open)
23BIAS2�Connect a capacitor for the D/A converter bias.
24BIAS1�Connect a capacitor for the D/A converter bias.
25VREFIReference voltage input terminal (for D/A converter).
26AGND�Ground terminal (analog system for D/A converter).
27YOUTOAnalog Y signal (luminance signal) output terminal. Not used (open)
28AVCC�Power supply terminal (+3.3V) (analog system for D/A converter).
29COUTOAnalog C signal (chroma signal) output terminal. Not used (open)
30AGND�Ground terminal (analog system for D/A converter).
31CVOUTOAnalog composite video signal output terminal.
32AVCC�Power supply terminal (+3.3V) (analog system for D/A converter).
33CSYNCOComposite synchronous signal output terminal. Not used (open)
34HSYNCOHorizontal synchronous signal output terminal. Not used (open)
35VSYNCOVertical synchronous signal output terminal. Not used (open)
36TMS3IMode setting terminal. Normally fixed at OH�
37VDD�Power supply terminal (+3.3V) (digital system).
38CK27IISystem clock input terminal (27 MHz).
39XOOSystem clock output terminal (27 MHz).
40GND�Ground terminal (digital system).
41TMS2IMode setting terminal. Normally fixed at OH�
42CK27OOSystem clock signal (27 MHz) output to the MPEG audio/video decoder (IC701).
43TMS1IReset signal input from the system controller (IC801) . OL�: reset
44TMS0IVideo output mode setting terminal. OL�: normal output mode, OH�: color bar output mode
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ACEC
