参数资料
型号: P83C266
厂商: NXP Semiconductors N.V.
英文描述: Microcontrollers for PAL/SECAM TV with OSD and VST(带 OSD和 VST的在PAL/SECAM TV中应用的微控制器)
中文描述: 对于PAL微控制器/ OSD和伟仕SECAM电视(带OSD和伟仕的在PAL制式/ SECAM电视中应用的微控制器)
文件页数: 41/92页
文件大小: 382K
代理商: P83C266
1999 Mar 10
41
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
Fig.22 Block diagram of the 14-bit PWM circuit.
(1) These are the upper 7 bits of TDACREG and are called VSTH.
(2) These are the lower 7 bits of TDACREG and are called VSTL.
handbook, full pagewidth
7-BIT DATA LATCH
(TDACL)
7-BIT DATA LATCH
(TDACH)
14-BIT DATA LATCH
(TDACREG)
"MOV instruction"
DATA LOAD
TIMING PULSE
COARSE 7-BIT
PWM
FINE PULSE
GENERATOR
OUT2
OUT1
MIXER
TDAC output
Q
14-BIT COUNTER
Q14 to Q8
Q7 to Q1
TPWM
fTDAC = fosc
MGL399
7
(2)
7
(1)
7
7
LOAD
internal data bus
4
SFR address: D3H
SFR address: D2H
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