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GS9021 Datasheet(PDF) 5 Page - Gennum Corporation |
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GS9021 Datasheet(HTML) 5 Page - Gennum Corporation |
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5 / 26 page  521 - 65 - 05 5 28, 29 S[1:0] I/O Control bits which select whether FF, AP, or ANC EDH flags are active on the EDH flag data port (FL[4:0]). In FLAG_MAP mode, the S[1:0] pins become outputs (see device description). 30-34 FL[4:0] I/O EDH flag data port to allow access to the EDH flags. 35 F_R/W I Flag port read/write control. When HIGH, FL[4:0] are configured as outputs allowing EDH flags to be read from the device. When LOW, FL[4:0] are configured as inputs allowing EDH flags to be overwritten into the outgoing EDH packet. In FLAG_MAP mode this pin must be set HIGH. 36 FLAG_MAP I FLAG_MAP mode enable. When HIGH, FLAG_MAP mode is enabled. When LOW, FLAG_MAP mode is disabled. 37-39, 42-48 DOUT[9:0] O Parallel digital video data outputs. 49 V O Vertical sync indication. 50 H O Horizontal sync indication. 51-53 F[2:0] O Field indication. F2 is the MSB. 54 RESET I Reset. When LOW, the internal control circuitry is reset. 55 R/T I Receive/Transmit mode select. When HIGH, the device operates in receive mode. When LOW, the device operates in transmit mode. 58 CRC_MODE I CRC_MODE enable. When HIGH, CRC_MODE is enabled. When LOW, CRC_MODE is disabled. 59 VBLANKS/L I Vertical blanking interval control. For NTSC signals, when VBLANKS/L is set LOW the 19 line blanking interval is selected and when set HIGH the 9 line blanking interval is selected. For PAL D2 signals, when VBLANKS/L is set LOW the 17 line blanking interval is selected and when set HIGH the 7 line blanking interval is selected. For PAL component signals VBLANKS/L should be set LOW. 60 BYPASS_EDH I Bypass EDH control. When HIGH, the device allows the EDH packet to pass through unaltered. 61 LSB_TOP I Data output LSB position control. When HIGH, the video data output bus is reversed, placing the LSB at pin 48. 62 BLANK_EN I Blanking enable. When LOW, incoming data words are set to appropriate blanking levels. 63 FLYWDIS I Flywheel disable. When HIGH, the internal flywheel is disabled. When LOW, the internal flywheel is enabled. 64 CLIP_TRS I Clip and TRS correction control. When HIGH, the TRS Blanking, ITU-R-601 clipping and TRS insertion features are enabled. 8, 26, 41, 57 VDD Power supply (nominally +5V). 9, 27, 40, 56 GND Ground. PIN DESCRIPTIONS NUMBER SYMBOL TYPE DESCRIPTION |
Similar Part No. - GS9021 |
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Similar Description - GS9021 |
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