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M37281EKSP Datasheet, PDF (109/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER | |||
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M37281MAHâXXXSP,M37281MFHâXXXSP,M37281MKHâXXXSP, M37281EKSP
Top Border Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Top border control register 1 (TB1) [Address 021C 16]
B
Name
0 Control bits of
to top border
7 (TB10 to TB17)
Functions
After reset R W
Top border position (low-order 8 bits) Indeterminate R W
TH â
(setting value of low-order 2 bits of TB2 â 162
+ setting value of high-order 4 bits of TB1 â161
+ setting value of low-order 4 bits of TB1 â160)
Notes 1: Do not set â0016â or â0116â to the TB1 at TB2 = â00 16.â
2: TH is cycle of HSYNC.
3: TB2 is top border control register 2.
Fig. 8.11.46 Top Border Control Register 1
Top Border Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Top border control register 2 (TB2) [Address 021E 16]
B
Name
Functions
After reset R W
0, Control bits of
1 top border
(TB20 ,TB21)
Top border position (high-order 2 bits) Indeterminate R W
TH â
(setting value of low-order 2 bits of TB2 â162
+ setting value of high-order 4 bits of TB1 â161
+ setting value of low-order 4 bits of TB1 â160)
2
to
7
Nothing is assigned. These bits are write disable bits.
Indetermin
When these bits are read out, the values are indeterminate. ate
Râ
Notes 1: Do not set â0016â or â0116â to the TB1 at TB2 = â00 16.â
2: TH is cycle of HSYNC.
3: TB1 is top border control register 1.
Fig. 8.11.47 Top Border Control Register 2
Rev.1.01 2003.07.16 page 109 of 170
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