參數(shù)資料
型號: P83C766
廠商: NXP Semiconductors N.V.
英文描述: Microcontrollers for PAL/SECAM TV with OSD and VST
中文描述: 微控制器對于PAL / SECAM電視的OSD和偉仕
文件頁數(shù): 42/92頁
文件大?。?/td> 382K
代理商: P83C766
1999 Mar 10
42
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
Fig.23 Loading VSTL and VSTH into VSTREG.
handbook, full pagewidth
MGL288
Case 1
correct
Tsub
Tsub
Tsub
write
TDACL
write
TDACH
status bus
VSTH old
VSTL old
VSTH new
VSTL new
new TDACL and TDACH is loaded
into TDAC
Case 2
correct
write
TDACL
write
TDACH
status bus
VSTH old
VSTL old
VSTH old
VSTL old
VSTH new
VSTL new
new TDACL and TDACH is loaded
into TDAC
Case 3
wrong
write
TDACH
old TDACL and TDACH is loaded
into TDAC
status bus
VSTH old
VSTL old
VSTH new
VSTL old
VSTH new
VSTL old
write
TDACL
Fig.24 Coarse adjustment output (OUT1).
handbook, full pagewidth
MGL287
Tstd (= 128Tsub)
VSTH
×
t0
VSTH
×
t0
VSTH
×
t0
Tsub1
Tsubm
Tsub128
0
(128-VSTH)
×
t0
128
×
t0
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