m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 73

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 12.11.7 OSD Control Register 2
Rev. 1.0
OSD Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Note: When setting bit 1 of the OSD port control register to “1,” the value which is
0, 1
5
6
7
2
B
3
4
OSD control register 2 (OC2) [Address 0215
Horizotal
window/blank coutrol
bit (OC24)
converted from the 4-adjustment-level analog to the 2-bit digital is output
regardless of this bit value as follows : the high-order bit (R1, G1 and B1) is
output from pins P5
output from pins P1
function, the low-power dissipation can realize by setting this bit to “0.”
Display layer
selection bits
(OC20, OC21)
R, G, B signal output
selection bit(OC22)
Solid space output bit
(OC23)
Window/blank
selection bit 1
(horizontal) (OC25)
Window/blank
selection bit 2
(vertical) (OC26)
OSD interrupt
request selection bit
(OC27)
M37280MF–XXXSP, M37280MK–XXXSP
Name
2
7
, P5
, P1
b1 b0
0: Digital output
1: Analog output (4 gradations)
0: OUT1 output
1: OUT2 output
0: OFF
1: ON
0: Horizontal blank function
1: Horizontal window function
0: Vertical blank function
1: Vertical window function
0: At completion of layer 1 block display
1: At completion of layer 2 block display
0
0
1
1
3
5
and P5
and P1
0 CC, OSD, CDOSD
1 CC, OSD
0 CC, CDOSD
1 CC
4
6
, and the low-order bit is (R0, G0 and B0)
. And besides, when not using OSD
Functions
Layer 1
16
]
and ON-SCREEN DISPLAY CONTROLLER
(See note)
MITSUBISHI MICROCOMPUTERS
Layer 2
CDOSD
OSD
CDOSD
OSD
At reset R W
0
0
0
0
0
0
0
M37280EKSP
R W
R W
R W
R W
R W
R W
R W
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