M37221M4H_15 Datasheet, PDF (105/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Address 00EA16
OSD Control Register
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register (CC) [Address 00EA16]
B
Name
Functions
0 All-blocks display control
bit (CC0) (See note)
0 : All-blocks display off
1 : All-blocks display on
1 Block 1 display control bit 0 : Block 1 display off
(CC1)
1 : Block 1 display on
2 Block 2 display control bit 0 : Block 2 display off
(CC2)
1 : Block 2 display on
3 _{Nothing is assigned. These bits are write disable bits.}
to _{When these bits are read out, the values are “0.”}
6
7 P10/OUT2 pin switch bit
(CC7)
0 : P10
1 : OUT2
After reset R W
0
RW
0
RW
0
RW
0
R—
0
RW
Note: Display is controlled by logical product (AND) between the all-blocks display
control bit and each block control bit.
Addresses 00EC16
OSD Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
OSD port control register (CRTP) [Address 00EC16]
B
Name
Functions
After reset R W
0 HSYNC input polarity
switch bit (HSYC)
0 : Positive polarity input
1 : Negative polarity input
0 RW
1 VSYNC input polarity
switch bit (VSYC)
0 : Positive polarity input
1 : Negative polarity input
0 RW
2 R/G/B output polarity switch 0 : Positive polarity output
bit (R/G/B)
1 : Negative polarity output
0 RW
3 OUT2 output polarity
switch bit (OUT2)
0 : Positive polarity output
1 : Negative polarity output
0 RW
4 OUT1 output polarity
switch bit (OUT1)
0 : Positive polarity output
1 : Negative polarity output
0 RW
5 R signal output switch bit 0 : R signal output
(OP5)
1 : MUTE signal output
0 RW
6 G signal output switch
bit(OP6)
0 : G signal output
1 : MUTE signal output
0 RW
7 B signal output switch
bit(OP7)
0 : B signal output
1 : MUTE signal output
0 RW
Rev.1.00 Oct 01, 2002 page 103 of 110
REJ03B0134-0100Z