參數(shù)資料
型號: UPD17242UC-XXX-5A4
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.5 MHz, MICROCONTROLLER, PDSO30
封裝: 0.300 INCH, PLASTIC, SSOP-30
文件頁數(shù): 43/102頁
文件大?。?/td> 953K
代理商: UPD17242UC-XXX-5A4
45
Data Sheet U15002EJ1V1DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
(2) When key matrix is not used (P1AKEYn = 0)
P1AHL0
0
1
0
P1AHL0
Address
RF: 05H
After reset
0H
R/W
1
P1AHL1
2
P1AHL2
3
0
Resistor is connected (P1ABPU0 = 1) Resistor is not connected (P1ABPU0 = 0)
Connects pull-down/pull-up resistor to P1A0
Pull-up resistor
Pull-down resistor
No resistor
P1AHL1
0
1
Resistor is connected (P1ABPU1 = 1) Resistor is not connected (P1ABPU1 = 0)
Connects pull-down/pull-up resistor to P1A1
Pull-up resistor
Pull-down resistor
No resistor
P1AHL2
0
1
Resistor is connected (P1ABPU2 = 1) Resistor is not connected (P1ABPU2 = 0)
Connects pull-down/pull-up resistor to P1A2
Pull-up resistor
Pull-down resistor
No resistor
Caution The standby mode is not released by P1A when a key matrix is not used.
Remark
P1AKEY: Address 06H of register file
P1ABPU: Address 07H of register file
n = 0 to 2
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