msm7653 ETC-unknow, msm7653 Datasheet - Page 27

• Manufacturer Part Number: msm7653
• Description: Ntsc/pal Digital Video Encoder
• Manufacturer: ETC-unknow

¡ Semiconductor
<Equalizing pulse, vertical synchronization period>
<Horizontal blanking period>
qEqualizing pulse width
wVertical sync pulse width
eSerration
Setting content of horizontal blanking period (Ts is sampling clock cycle in each mode)
ITU601 NTSC
ITU601 PAL
r
e
w
q
q
1/2H
qHorizontal sync pulse width
wBurst signal output period
eBurst signal start
rHorizontal blanking period (excluding front porch)
tFront porch start
t
q
e
Setting content of horizontal blanking period
qBlanking level
w
e
rSynchronzing level
r
(synchronizing + blanking level) ¥ (2/3)
(synchronizing + blanking level) ¥ (1/3)
w
1/2H
w
63Ts
63Ts
q
Horizontal blanking period
e
31Ts
31Ts
w
t
EQUAL
1H
71Ts
75Ts
q
w
e
r
e
Setting content of equalizing pulse vertical
synchronization period (Ts is sampling clock cycle in each mode)
ITU 601 NTSC
ITU 601 PAL
127Ts
142Ts
r
838Ts
844Ts
t
qSynchronzing level
w
e
rBlanking level
tPeak to peak value of burst
(synchronizing + blanking level) ¥ (1/3)
(synchronizing + blanking level) ¥ (2/3)
31Ts
32Ts
q
Total dots/1H
365Ts
369Ts
w
858
864
64Ts
63Ts
e
MSM7653
429Ts
432Ts
27/35
1/2H