參數資料
型號: M37225ECSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁數: 9/128頁
文件大?。?/td> 1481K
代理商: M37225ECSP
M37225M6/M8/MA/MC-XXXSP, M37225ECSP
Rev.1.00
Nov 01, 2000
page 104 of 124
REJ03B0136-0100Z
Addresses 00C116, 00C316, 00C516
Address 00C716
b7 b6 b5 b4 b3 b2 b1 b0
Port P3 direction register (D3) [Address 00C716]
B
Name
Functions
After reset R W
Port P3 Direction Register
00 : 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
R W
2
50 : Port P35 input mode
1 : Port P35 output mode
Port P3 direction register
0
R W
7
Port P31 output mode
selection bit (P31S)
0
R W
indeterminate
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are indeterminate.
R —
3, 4
0 : Port P32 input mode
1 : Port P32 output mode
6
0 : CMOS output
1 : N-channel open-drain output
Port P30 output mode
selection bit (P30S)
0
R W
0 : CMOS output
1 : N-channel open-drain output
b
R W
0
W
1
0
W
2
0
W
3
0
W
4
0
W
5
0
W
6
0
W
7
0
W
R
Port Pi Direction Register
b7b6 b5b4 b3 b2 b1b0
Port Pi direction register (Di) (i=0,1,2) [Addresses 00c116,00C316,00C516]
Name
Functions
Port Pi direction register 0 : Port Pi0 input mode
1 : Port Pi0 output mode
0 : Port Pi1 input mode
1 : Port Pi1 output mode
0 : Port Pi2 input mode
1 : Port Pi2 output mode
0 : Port Pi3 input mode
1 : Port Pi3 output mode
0 : Port Pi4 input mode
1 : Port Pi4 output mode
0 : Port Pi5 input mode
1 : Port Pi5 output mode
0 : Port Pi6 input mode
1 : Port Pi6 output mode
0 : Port Pi7 input mode
1 : Port Pi7 output mode
After reset
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