M3727GM6 Datasheet, PDF (86/129 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M3727GM6/M8–XXXSP/FP M37272E8SP/FP
Window Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Window register 1 (WN1) [Address 00D616]
B
Name
Functions
0 Window top boundary
to ^{control bits}
7 ^{(WN10 to WN17)}
Window top border position =
TH ✕ (BC17 ✕ 16² + n)
(n: setting value, TH: HSYNC cycle,
BC17: bit 7 of block control register 1)
Notes 1: Set values except “0016” to WN1 when BC17 is “0.”
2: Set values fit for the following condition: WN1 < WN2.
After reset _{R W}
Inderterminate R W
Fig. 8.11.26 Window Register 1
Window Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Window register 2 (WN2) [Address 00D716]
B
Name
Functions
0 Window bottom boundary
to ^{control bits}
7 ^{(WN20 to WN27)}
Window bottom border position =
TH ✕ (BC27 ✕ 16² + n)
(n: setting value, TH: HSYNC cycle,
BC27: bit 7 of block control register 2)
Note: Set values fit for the following condition: WN1 < WN2.
After reset _{R W}
Inderterminate R W
Fig. 8.11.27 Window Register 2
Rev.1.00 Apr 01, 2001 page 86 of 127
REJ03B0132-0100Z