參數(shù)資料
型號： UPD17240MC-XXX-5A4-A
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO30
封裝： 0.300 INCH, PLASTIC, SSOP-30
文件頁數(shù)： 40/102頁
文件大?。?/td> 668K
代理商： UPD17240MC-XXX-5A4-A
42
Data Sheet U15002EJ1V0DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
3.12 Specifying Resistor Connection (Port 0E, 1A)
(1) Port 0E
If a key matrix is not used, whether or not a pull-up resistor is connected to port P0E can be specified in 1-
bit units by using the following registers of the register fileNote.
32
10
P0EBPU3 P0EBPU2
P0EBPU1 P0EBPU0
Address
RF: 17H
P0EBPU0
After reset
0H
R/W
0
1
Connects pull-up resistor to P0E0
P0EBPU1
0
1
P0EBPU2
0
1
P0EBPU3
0
1
Not connected
Connected
Connects pull-up resistor to P0E1
Not connected
Connected
Connects pull-up resistor to P0E2
Not connected
Connected
Connects pull-up resistor to P0E3
Not connected
Connected
Note
To disconnect the pull-up resistor in the output mode, clear the corresponding bit of the P0EBPU register.
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UPD178F054 78K/0 Series for Instructions | User＇s Manual[10/2001]
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UPD17242MC-XXX-5A4 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
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