參數(shù)資料
型號: M37281MAH-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
封裝: PLASTIC, SHRINK, DIP-52
文件頁數(shù): 50/158頁
文件大小: 1472K
代理商: M37281MAH-XXXSP
143
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
Addresses 00D016 to 00DF16
b7 b6 b5 b4 b3 b2 b1b0
Block control register i (BCi) (i=1 to 16) [Addresses 00D016 to 00DF16]
Block Control Register i
0, 1 Display mode
selection bits
(BCi0, BCi1)
Indeterminate
3, 4 Dot size selection
bits
(BCi3, BCi4)
5, 6 Pre-divide ratio
selection bit
(BCi5, BCi6)
7
b1
b0
0
0: Display OFF
0
1: OSD mode
1
0: CC mode
1
1: CDOSD mode
B
Name
Functions
After resetR W
R W
Indeterminate R W
Indeterminate R —
Notes 1: Tc is OSD clock cycle divided in pre-divide circuit.
2: H is HSYNC.
3: This character size is available only in Layer 2. At this time, set layer 1’s
pre-divide ratio = 2, layer 1’s horizontal dot size = 1Tc.
b6 b5 b4 b3 Pre-divide
Dot size
ratio
0
1
0
1
0
1
0
1
1
2
3
1Tc 1/2H
1Tc 1H
2Tc 2H
3Tc 3H
1Tc 1/2H
1Tc 1H
2Tc 2H
3Tc 3H
1.5Tc 1/2H (See note 3)
1.5Tc 1H (See note 3)
1Tc 1/2H
1Tc 1H
2Tc 2H
3Tc 3H
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
2Border control bit
(BCi2)
0 : Border OFF
1 : Border ON
Indeterminate R W
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