參數(shù)資料
型號(hào)： M37281MAH-XXXSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
封裝： 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52
文件頁數(shù)： 148/172頁
文件大?。?/td> 1319K
代理商： M37281MAH-XXXSP
Rev.1.01
2003.07.16
page 77 of 170
M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
Note : 1TC (TC : OSD clock cycle divided in pre-divide circuit) gap occurs be-
tween the horizontal display start position set by the horizontal position
register and the most left dot of the 1st block. Accordingly, when 2 blocks
have different pre-divide ratios, their horizontal display start position
will not match.
Ordinaly, this gap is 1TC regardless of character sizes, however, the
gap is 1.5TC only when the character size is 1.5TC.
Fig. 8.11.12 Notes on Horizontal Display Start Position
HSYNC
1TC
Block 1 (Pre-divide ratio = 1)
1TC
4TOSC N
Note 1
Block 2 (Pre-divide ratio = 2)
Block 3 (Pre-divide ratio = 3)
Block 4 (Pre-divide ratio = 2, character size = 1.5Tc)
1.5TC
: Value of horizontal position register (decimal notation)
: OSD clock cycle divided in pre-divide circuit
: OSD oscillation cycle
: 50 Tosc
N
Tc
Tosc
Tdef
Tdef
The horizontal display position is common to all blocks, and can be
set in 256 steps (where 1 step is 4TOSC, TOSC being the oscillating
cycle for display) as values “0016” to “FF16” in bits 0 to 7 of the hori-
zontal position register (address 00CF16). The horizontal position reg-
ister is shown in Figure 8.11.12.
Fig. 8.11.11 Horizontal Position Register
b7 b6 b5 b4 b3 b2 b1 b0
Horizontal position register (HP) [Address 00CF16]
B
Name
Functions
After reset RW
Horizontal Position Register
Control bits of horizontal
display start positions
(HP0 to HP7)
Horizontal display start positions
4TOSC
(setting value of high-order 4 bits 161
+setting value of low-order 4 bits 160)
0R W
0
to
7
Notes 1. The setting value synchronizes with the VSYNC.
2. TOSC = OSD oscillation period.
相關(guān)PDF資料
PDF描述
M37281EKSP 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37281MFH-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37281MAH-XXXSP 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
M37281MKH-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
M37281MAH-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37281MFH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37281MKH-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M372899234 制造商:ITW Switches 功能描述:IN-RUSH
M372F3200DJ3-C 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32M x 72 DRAM DIMM with ECC Using 16Mx4, 4K & 8K Refresh, 3.3V
M372F3280DJ3-C 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:32M x 72 DRAM DIMM with ECC Using 16Mx4, 4K & 8K Refresh, 3.3V
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