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P8XCX70 Datasheet, PDF (53/80 Pages) NXP Semiconductors – Fully static 80C51 CPU
Philips Semiconductors
Microcontrollers for NTSC TVs with On-Screen
Display (OSD) and Closed Caption (CC)
Product specification
P8xCx70 family
18.9.3 TEXT HORIZONTAL POSITION REGISTER (THPR)
Table 79 Text Horizontal Position Register (address 87F2H)
7
HOP1
6
HOP0
5
TAS5
4
TAS4
3
TAS3
2
TAS2
1
TAS1
0
TAS0
Table 80 Description of THPR bits
BIT
SYMBOL
DESCRIPTION
7
HOP1 Fine horizontal offset. These 2 bits select a fine offset, ranging from 0 to 3 quarter
6
HOP0 characters; see Table 71.
5
TAS5 Text area start. These 6 bits select an offset of 0 to 63 full-width characters; see
4
TAS4
Table 70.
3
TAS3
2
TAS2
1
TAS1
0
TAS0
18.9.4 FRINGING CONTROL REGISTER (FCR)
Table 81 Fringing Control Register (address 87F3H)
7
FRC3
6
FRC2
5
FRC1
4
FRC0
3
FRDN
2
FRDE
1
FRDS
0
FRDW
Table 82 Description of FCR bits
BIT
SYMBOL
DESCRIPTION
7
FRC3 Fringing colour. These 4 bits select the fringing colour. One of 16 colours can be
6
FRC2 specified; see Table 58.
5
FRC1
4
FRC0
3
FRDN Fringing directions. The fringing direction is selected by setting one of these bits to a
2
FRDE logic 1. For example, when FRDN = 1, the fringing direction is North. See Table 57.
1
FRDS
0
FRDW
1999 Jun 11
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