参数资料
型号: 7534
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 17/55页
文件大小: 610K
代理商: 7534
7534 Group
Rev.2.00 Jun 21, 2004 page 17 of 54
REJ03B0099-0200Z
Fig. 16 Interrupt control
Fig. 17 Structure of Interrupt-related registers
Interrupt disable flag I
Interrupt request
Interrupt request bit
Interrupt enable bit
BRK instruction
Reset
b7 b0
b7 b0
Interrupt edge selection register
(INTEDGE : address 003A
16
)
INT
0
interrupt edge selection bit
0 : Falling edge active
1 : Rising edge active
INT
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
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
)
UART receive/USB IN token interrupt request bit
UART transmit/USB SETUP/OUT token/ Reset/Suspend/Resume/INT 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
)
UART receive/USB IN token interrupt enable bit
UART transmit/USB SETUP/OUT token/ Reset/Suspend/Resume/INT 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
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