參數(shù)資料
型號(hào): UPD17244MC-xxx-5A4
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
中文描述: 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì)
文件頁數(shù): 64/102頁
文件大?。?/td> 461K
代理商: UPD17244MC-XXX-5A4
64
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
8.2.2
IEG
This pin selects the interrupt edge to be detected on the INT pin.
When this flag is 0, the interrupt is detected at the rising edge; when it is 1, the interrupt is detected at the falling
edge.
8.2.3
INTSEL
This flag selects whether pin 3 is used as the INT pin or P1B
0
pin. When INTSEL is cleared to 0, pin 3 functions
as the P1B
0
pin; when it is set to 1, the pin functions as the INT pin.
After reset, the P1B
0
pin is selected.
3
2
1
1
0
Address
After reset
R/W
R/W
0H
RF: 1FH
0
0
0
IEG
INTSEL
IEG
INT pin interrupt detection edge selection
Rising edge of INT pin
Falling edge of INT pin
1
0
INTSEL
Selection of pin 3 function
As P1B
0
pin
As INT pin
8.2.4
Interrupt enable flag
This flag enables each interrupt source. When this flag is 1, the corresponding interrupt is enabled; when it is 0,
the interrupt is disabled.
3
2
1
0
0
IPBTM
IP
IPTM
Address
RF: 2FH
IPTM
After reset
0H
R/W
R/W
0
1
8-bit timer interrupt enable flag
Disables interrupt acknowledgement by 8-bit timer
Enables interrupt acknowledgement by 8-bit timer
IP
0
1
INT pin interrupt enable flag
Disables interrupt acknowledgement by INT pin input
IPBTM
0
1
Basic interval timer interrupt enable flag
Disables interrupt acknowledgement by basic interval timer
Enables interrupt acknowledgement by basic interval timer
Enables interrupt acknowledgement by INT pin input
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