参数资料
型号: P87C766
厂商: NXP Semiconductors N.V.
英文描述: Microcontrollers for PAL/SECAM TV with OSD and VST
中文描述: 微控制器对于PAL / SECAM电视的OSD和伟仕
文件页数: 53/92页
文件大小: 382K
代理商: P87C766
1999 Mar 10
53
Philips Semiconductors
Product specification
Microcontrollers for PAL/SECAM TV
with OSD and VST
P8xCx66 family
17.3.5
OSD S
TART
R
EGISTER
(OSSTART)
Table 58
OSD Start Register (SFR address C5H)
Table 59
Description of OSSTART bits
17.3.6
OSD C
ONTROL
R
EGISTER
2 (OSCON2)
Table 60
OS Control Register 2 (SFR address CFH)
Table 61
Description of OSCON2 bits
7
6
5
4
3
2
1
0
START7
START6
START5
START4
START3
START2
START1
START0
BIT
SYMBOL
DESCRIPTION
7
6
5
4
3
2
1
0
START7
START6
START5
START4
START3
START2
START1
START0
RAM start address.
These 7 bits specify the display RAM address from which the first
character will be fetched. The display RAM address is from 0 to 191 decimal, or
00 to BF hexadecimal.
7
6
5
4
3
2
1
0
TCEN
R
G
B
BIT
SYMBOL
TCEN
DESCRIPTION
7
6
5
4
These 3 bits are reserved.
Test Code Enable.
When TCEN = 1, the content of the space from character ROM is
displayed. This is valid for Space 1 and Space 2. The default value of TCEN is a logic 0.
This feature is for testing purposes only.
Background colour selection.
These 3 bits select the background colour of the
TV screen in the Frame mode. The default background colour is blue.
3
2
1
0
R
G
B
This bit is reserved.
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