參數(shù)資料
型號： P87C770AAR
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Microcontrollers for NTSC TVs with On-Screen Display OSD and Closed Caption CC
中文描述： 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52
文件頁數(shù)： 54/80頁
文件大?。?/td> 266K
代理商： P87C770AAR
1999 Jun 11
54
Philips Semiconductors
Product specification
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
P8xCx70 family
18.9.5
T
EXT
A
REA
E
ND
R
EGISTER
(TAER)
Table 83
Text Area End Register (address 87F4H)
Table 84
Description of TAER bits
18.9.6
S
OFT
S
CROLL
A
REA
C
ONTROL
R
EGISTER
(SSACR)
Table 85
Soft Scroll Area Control Register (address 87F5H)
Table 86
Description of SSACR bits
7
6
5
4
3
2
1
0
TAE5
TAE4
TAE3
TAE2
TAE1
TAE0
BIT
SYMBOL
TAE5
TAE4
TAE3
TAE2
TAE1
TAE0
DESCRIPTION
7
6
5
4
3
2
1
0
These 2 bits are reserved.
Text area end.
These 6 bits assist in defining the width of the text area. The actual text
area width is the difference between the horizontal offset and the value specified by
these 6 bits; see Table 73.
7
6
5
4
2
1
0
SSH3
SSH2
SSH1
SSH0
SSP3
SSP2
SSP1
SSP0
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
SSH3
SSH2
SSH1
SSH0
SSP3
SSP2
SSP1
SSP0
Soft scroll area height.
These 4 bits determine the visible scroll area height. One of
16 rows may be specified; see Table 64.
Soft scroll area position.
These 4 bits specify the top display row of the soft scroll
area. One of 16 rows may be specified; see Table 63.
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