参数资料
型号: M37161MF-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 8/129页
文件大小: 1092K
代理商: M37161MF-XXXSP
Rev.1.00
2003.11.25
page 105 of 128
M37161M8/MA/MF-XXXSP/FP,M37161EFSP/FP
Address 00C316
Address 00C616
1
0
2
Port P1 direction register
4
b7 b6 b5 b4 b3 b2 b1 b0
Fix this bit to "0"
1
W
R
0
W
R
5
6
7
3
0
W
R
0
W
R
0
W
R
0
W
R
1
W
R
0
W
R
Note: When using P10 as a general-purpose port, set the Clock Control Register 3
(address 021216) bit 7 to 1.
When using P10 as a clock control signal, refer to 8.14.1 oscillation control.
P10 becomes clock control signal output and H output setting immediately
after reset release , and P16 becomes L output setting after reset release.
0
Port P1 direction register
Port P1 direction register (D1) [Address 00C316]
B
Name
Functions
After reset R W
0 : Port P10 input mode (note)
1 : Port P10 output mode
0 : Port P11 input mode
1 : Port P11 output mode
0 : Port P12 input mode
1 : Port P12 output mode
0 : Port P13 input mode
1 : Port P13 output mode
0 : Port P14 input mode
1 : Port P14 output mode
0 : Port P15 input mode
1 : Port P15 output mode
0 : Port P16 input mode
1 : Port P16 output mode
Port P3 register (P3)
[Address 00C616]
Port P3 register
0
1
2
Port P3 register
Indeterminate
W
R
4
b7 b6 b5 b4 b3 b2 b1 b0
Nothing is assigned. This bit is write disable bit.
When this bit is read out, the value is "0."
W
R
0
W
R
0
R
3
(BSEL20)
(See note)
0
W
R
SCL3/P31-SCL1/P11
SDA3/P30-SDA1/P13
Course connection control bit
(BSEL21)
Notes For the ports used as the Multi-master I
2C-BUS interface, set their direction registers to 1.
To use SCL3 and SDA3, set the I
2C Control Register (address 00F916) bits 6–7 to 0.
B
Name
Functions
After reset
R W
Port P30 data
Port P31 data
Switch bit of I
2C-BUS
interface and port P3
0:
Port P30, Port P31
1: I
2CBUS (SDA3,SCL3)
0: Connection
1: Cutting
5
6
Port P3 register
Indeterminate
R
R
Port P35 data
Port P36 data
7
Indeterminate
R
Port P37data
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