Texas Instruments 990 - Model 911 VDT Sync Timing Diagram

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(B) 136309
VIDEO
HORIZONTAL
BLANKING
HORIZONTAL
SYNC
VERTICAL
BLANKING
VERTICAL
SYNC
COMPOSITE
SYNC
COMPOSITE
BLANKING
COMPOSITE
VIDEO
HSBQ
HSQ
VSBQ
VSQ
CSQ
BLQ
VIV
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ENABLE
@CHAR 79
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CHAR 99
ENABLE END@
VERTICAL RETRACE
REGION (NOT DISPLAYED)
1 =CHAR ao-99
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LOGIC 1 =CHAR 83-90
__ ®_C-HA_R_a_2_y_ ~HAR 90f'L......ss.--..._ ____ n .. ____ _.n,._ ____ n.__...,~ ____ .. n .. ___ _
ENABLED@ VBL
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- END @NENDL
ENABLED @ VSL
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ENABLE@ CHAR 82 CHAR
82
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ENABLE DISABLE
@CHAR 82 @CHAR 74
(HDSL)
CHAR 74
---~------rl._ ______ _
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Figure 1-54. Model 911 VDT Sync Timing Diagram