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: 8/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
105
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.
Port Pi Direction Register
Port P3 Direction Register
Addresses 00C116, 00C316, 00C516
Address 00C716
b7 b6 b5 b4 b3 b2 b1 b0
Port Pi direction register (Di) (i=0,1,2) [Addresses 00C1 16, 00C316, 00C516]
B
Name
Functions
After reset R W
Port Pi Direction Register
0
0 : Port Pi0 input mode
1 : Port Pi0 output mode
0
1
0 : Port Pi1 input mode
1 : Port Pi1 output mode
0
2
0 : Port Pi2 input mode
1 : Port Pi2 output mode
0
3
0 : Port Pi3 input mode
1 : Port Pi3 output mode
0
4
0 : Port Pi4 input mode
1 : Port Pi4 output mode
0
5
0 : Port Pi5 input mode
1 : Port Pi5 output mode
0
6
0 : Port Pi6 input mode
1 : Port Pi6 output mode
0
7
0 : Port Pi7 input mode
1 : Port Pi7 output mode
0
Port Pi direction register
RW
b7 b6 b5 b4 b3 b2 b1 b0
Port P3 direction register (D3) [Address 00C7 16]
B
Name
Functions
After reset RW
Port P3 Direction Register
0
0 : Port P30 input mode
1 : Port P30 output mode
0
1
0 : Port P31 input mode
1 : Port P31 output mode
0
Port P3 direction register
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
RW
R—
6
Refer to Timer mode register 2
(address 00F516).
Timer 3 count source
selection bit (T3SC)
0R W
2
to
5
7
Refer to clock source control
register (address 021616).
Ports P63, P64 selection
bit
0R W
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