参数资料
型号: M37274MA-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP52
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-52
文件页数: 17/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
113
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
A-D Control Register
Data Slicer Control Register 2
Address 00EB16
Address 00EF16
b7 b6 b5 b4 b3 b2 b1 b0
Data slicer Control register 2 (DSC2) [Address 00EB 16]
B
Name
Functions
After reset
R W
Data slicer Control Register 2
0
1
0R W
Indeterminate R —
0R W
0
0: Stopped
1: Operating
Timing signal generating
circuit control bit (DSC20)
2, 7
Read-only
Test bit
3, 4,
6
Fix these bits to “0.”
5
0: Match
1: Mis match
V-pulse shape determination
flag (DSC25)
Indeterminate R—
00
0: Video signal
1: HSYNC signal
Reference clock source
selection bit (DSC21)
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register (ADCON) [Address 00EF 16]
B
After reset RW
A-D Control Register
0
to
2
Analog input pin selection
bits
(ADIN0 to ADIN2)
Name
Functions
b2 b1 b0
0
0 : AD1
0
1 : AD2
0
1
0 : AD3
0
1
1 : AD4
1
0
0 : AD5
1
0
1 : AD6
1
0 :
1
1 :
4
VCC connection selection bit
(ADVREF)
0: OFF
1: ON
0
Indeterminate
Do not set.
6
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
RW
R—
3
A-D conversion completion
bit (ADSTR)
0: Conversion in progress
1: Convertion completed
Indeterminate
RW
0
5, 7 Fix these bits to “0.”
R—
00
Indeterminate
0R W
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