參數(shù)資料
型號: M37531
廠商: Mitsubishi Electric Corporation
英文描述: Single Chip 8 Bits CMOS Microcomputer(8位單片機)
中文描述: 單芯片的CMOS 8位單片機(8位單片機)
文件頁數(shù): 17/64頁
文件大?。?/td> 631K
代理商: M37531
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7531 Group
MITSUBISHI MICROCOMPUTERS
17
Fig. 17 Interrupt control
Fig. 18 Structure of Interrupt-related registers
b7 b0
b7 b0
Interrupt edge selection register
(INTEDGE : address 003A
16
, initial value: 00
16
)
INT
0
interrupt edge selection bit
0 : Falling edge active
1 : Rising edge active
INT
1
interrupt edge selection bit
0 : Falling edge active
1 : Rising edge active
Not used (returns “0” when read)
Serial I/O1 or INT
1
interrupt selection bit
(Do not write “1” for 32 pin version)
0 : Serial I/O1
1 : INT
1
Timer X or key-on wake up interrupt selection bit
0 : Timer X
1 : Key-on wake up
Timer 2 or serial I/O2 interrupt selection bit
0 : Timer 2
1 : Serial I/O2
CNTR
0
or AD converter interrupt selection bit
0 : CNTR
0
1 : AD converter
Interrupt request register 1
(IREQ1 : address 003C
16
, initial value: 00
16
)
Serial I/O1 receive interrupt request bit
Serial I/O1 transmit or INT
1
interrupt request bit
INT
0
interrupt request bit
Timer X or key-on wake up interrupt request bit
Timer 1 interrupt request bit
Timer 2 or serial I/O2 interrupt request bit
CNTR
0
or AD converter interrupt request bit
Not used (returns “0” when read)
0 : No interrupt request issued
1 : Interrupt request issued
b7 b0
Interrupt control register 1
(ICON1 : address 003E
16
, initial value: 00
16
)
Serial I/O1 receive interrupt enable bit
Serial I/O1 transmit or INT
1
interrupt enable bit
INT
0
interrupt enable bit
Timer X or key-on wake up interrupt enable bit
Timer 1 interrupt enable bit
Timer 2 or serial I/O2 interrupt enable bit
CNTR
0
or AD converter interrupt enable bit
Not used (returns “0” when read)
(Do not write “1” to this bit)
0 : Interrupts disabled
1 : Interrupts enabled
Interrupt disable flag I
Interrupt request
Interrupt request bit
Interrupt enable bit
BRK instruction
Reset
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