7641_06 Datasheet, PDF (40/385 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

7641 Group
HARDWARE
FUNCTIONAL DESCRIPTION
b7
b0
b7
Interrupt request register A (address 000216)
IREQA
USB function interrupt request bit
USB SOF interrupt request bit
INT0 interrupt request bit
INT1 interrupt request bit
DMAC0 interrupt request bit
DMAC1 interrupt request bit
UART1 receive buffer full interrupt request bit
UART1 transmit interrupt request bit
0 : No interrupt request issued
1 : Interrupt request issued
b7
b0
b7
0
Interrupt request register C (address 000416)
IREQC
Timer 3 interrupt request bit
CNTR0 interrupt request bit
CNTR1 interrupt request bit
Serial I/O interrupt request bit
Input buffer full interrupt request bit
Output buffer empty interrupt request bit
Key input interrupt request bit
Reserved bit (“0” at read/write)
0 : No interrupt request issued
1 : Interrupt request issued
b7
b0
b7
Interrupt control register B (address 000616)
ICONB
0
UART1 summing error interrupt enable bit
UART2 receive buffer full interrupt enable bit
UART2 transmit interrupt enable bit
UART2 summing error interrupt enable bit
Timer X interrupt enable bit
Timer Y interrupt enable bit
Timer 1 interrupt enable bit
Timer 2 interrupt enable bit
0 : Interrupts disabled
1 : Interrupts enabled
b7
0 00000
b0
Interrupt polarity select register (address
001116)
IPOL
INT0 interrupt edge select bit
INT1 interrupt edge select bit
Reserved bits (“0” at read/write)
0 : Falling edge active
1 : Rising edge active
Fig. 17 Structure of interrupt-related registers
b0
Interrupt request register B address (address 000316)
IREQB
UART1 summing error interrupt request bit
UART2 receive buffer full interrupt request bit
UART2 transmit interrupt request bit
UART2 summing error interrupt request bit
Timer X interrupt request bit
Timer Y interrupt request bit
Timer 1 interrupt request bit
Timer 2 interrupt request bit
0 : No interrupt request issued
1 : Interrupt request issued
b0
Interrupt control register A (address 000516)
ICONA
USB function interrupt enable bit
USB SOF interrupt enable bit
INT0 interrupt enable bit
INT1 interrupt enable bit
DMAC0 interrupt enable bit
DMAC1 interrupt enable bit
UART1 receive buffer full interrupt enable bit
UART1 transmit interrupt enable bit
0 : Interrupts disabled
1 : Interrupts enabled
b0
Interrupt control register C (address 000716)
ICONC
Timer 3 interrupt enable bit
CNTR0 interrupt enable bit
CNTR1 interrupt enable bit
Serial I/O interrupt enable bit
Input buffer full interrupt enable bit
Output buffer empty interrupt enable bit
Key input interrupt enable bit
Reserved bit (“0” at read/write)
0 : Interrupts disabled
1 : Interrupts enabled
Rev.2.00 Aug 28, 2006 page 23 of 113
REJ09B0336-0200