參數(shù)資料
型號(hào)： 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)： 39/102頁
文件大小： 668K
代理商： UPD17240MC-XXX-5A4-A
41
Data Sheet U15002EJ1V0DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
3.11 Selecting Whether Key Matrix Is Used or Not (Port 0E, 1A)
By using the following register file, whether P0E and P1A are used for a key matrix can be selected in bit units.
P1AKEY0
0
1
0
P1AKEY0
Address
RF: 06H
After reset
0H
R/W
1
P1AKEY1
2
P1AKEY2
3
0
Selects whether P1A0 is used for key matrix or not
P1AKEY1
0
1
Selects whether P1A1 is used for key matrix or not
P1AKEY2
0
1
Selects whether P1A2 is used for key matrix or not
P1A0 not used for key matrix
P1A0 used for key matrix
P1A2 not used for key matrix
P1A2 used for key matrix
P1A1 not used for key matrix
P1A1 used for key matrix
P0EKEY0
0
1
0
P0EKEY0
Address
RF: 16H
After reset
0H
R/W
1
P0EKEY1
2
P0EKEY2
3
P0EKEY3
Selects whether P0E0 is used for key matrix or not
P0EKEY1
0
1
Selects whether P0E1 is used for key matrix or not
P0EKEY2
0
1
Selects whether P0E2 is used for key matrix or not
P0EKEY3
0
1
Selects whether P0E3 is used for key matrix or not
P0E0 not used for key matrix
P0E0 used for key matrix
P0E1 not used for key matrix
P0E1 used for key matrix
P0E2 not used for key matrix
P0E2 used for key matrix
P0E3 not used for key matrix
P0E3 used for key matrix
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD17241 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
UPD17241MC-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
UPD17242 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
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
UPD17243 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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