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參數(shù)資料
| 型號(hào)： | M37272M8-134SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| 中文描述： | 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器 |
| 文件頁(yè)數(shù)： | 58/131頁(yè) |
| 文件大小： | 1297K |
| 代理商： | M37272M8-134SP |
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58
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6H/M8H/MAH/MFH
–
XXXSP/FP
M37272E8SP/FP, M37272EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev 1.0
8.10.11 16-bit Shift Register
The caption data converted into a digital value by the comparator is
stored into the 16-bit shift register in synchronization with the data
clock. The contents of the high-order 8 bits of the stored caption data
can be obtained by reading out data register 2 (address 00E3
16
) and
data register 4 (address 00CF
16
). The contents of the low-order 8
bits can be obtained by reading out data register 1 (address 00E2
16
)
and data register 3 (address 00CE
16
), respectively. These registers
are reset to “0” at a falling of V
sep
. Read out data registers 1 and 2
after the occurrence of a data slicer interrupt (refer to “8.10.12 Inter-
rupt Request Generating Circuit”).
8.10.12 Interrupt Request Generating Circuit
The interrupt requests as shown in Table 8.10.3 are generated by
combination of the following bits; bits 6 and 7 of the caption position
register (address 00E6
16
). Read out the contents of data registers 1
to 4 and the contents of bits 3 to 7 of the clock run-in detect register
after the occurrence of a data slicer interrupt request.
Slice Line Specification Mode
CPS
bit 7
Completion Flag 1
(bit 0 of DSC2)
Completion Flag 2
(bit 5 of CPS)
A line specified by
bits 4 to 0 of CPS
Caption Data
Registers 1, 2
16-bit data of line 21
Caption Data
Registers 3, 4
16-bit data of a line specified by
bits 4 to 0 of CPS
Line 21
A line specified by
bits 4 to 0 of CPS
Line 21
Line 21
Invalid
Invalid
A line specified by
bits 4 to 0 of CPS
16-bit data of a line specified
by bits 4 to 0 of CPS
16-bit data of line 21
16-bit data of line 21
Invalid
Invalid
16-bit data of a line specified by
bits 4 to 0 of CPS
Contents of Caption Data Latch Completion Flag
Contents of 16-bit Shift Register
0
0
1
1
bit 6
0
1
0
1
CPS: Caption position register
DSC2: Data slicer control register 2
Table 8.10.2 Contents of Caption Data Latch Completion Flag and 16-bit Shift Register
Caption position register
b7
Occurence Souces of Interrupt Request at End of Data Slice Line
After slicing line 21
After a line specified by bits 4 to 0 of CPS
After slicing line 21
After slicing line 21
0
1
b6
0
1
0
1
Table 8.10.3 Occurence Sources of Interrupt Request
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|---|---|
| M37272M8-160SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37272M8-164SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37272M8-169SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37272M8-183SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37272M8-184SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
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