Renesas M32R/ECU Series - Page 502

12
12-11
Serial I/O
12.2 Serial I/O Related Registers
32180 Group User's Manual (Rev.1.0)
SIO03 Interrupt Source Select Register (SI03EN) <Address: H’0080 0102>
123456b7b0
ISR0IST0 IST1 IST2 IST3 ISR3ISR2ISR1
00000000
<After reset: H’00>
b Bit Name Function R W
0 IST0 0: Transmit buffer empty interrupt R W
SIO0 transmit interrupt request source select bit 1: Transmission finished interrupt
1 IST1 0: Transmit buffer empty interrupt R W
SIO1 transmit interrupt request source select bit 1: Transmission finished interrupt
2 IST2 0: Transmit buffer empty interrupt R W
SIO2 transmit interrupt request source select bit 1: Transmission finished interrupt
3 IST3 0: Transmit buffer empty interrupt R W
SIO3 transmit interrupt request source select bit 1: Transmission finished interrupt
4 ISR0 0: Reception finished interrupt R W
SIO0 receive interrupt request source select bit 1: Receive error interrupt
5 ISR1 0: Reception finished interrupt R W
SIO1 receive interrupt request source select bit 1: Receive error interrupt
6 ISR2 0: Reception finished interrupt R W
SIO2 receive interrupt request source select bit 1: Receive error interrupt
7 ISR3 0: Reception finished interrupt R W
SIO3 receive interrupt request source select bit 1: Receive error interrupt
SIO45 Interrupt Source Select Register (SI45SEL) <Address: H’0080 0A02>
123456b7b0
ISR
4
IST4 IST5 ISR
5
00 00
0
0
0
0
<After reset: H’00>
b Bit Name Function R W
0 IST4 0: Transmit buffer empty interrupt R W
SIO4 transmit interrupt request source select bit 1: Transmission finished interrupt
1 IST5 0: Transmit buffer empty interrupt R W
SIO5 transmit interrupt request source select bit 1: Transmission finished interrupt
2, 3 No function assigned. Fix to "0". 00
4 ISR4 0: Reception finished interrupt R W
SIO4 receive interrupt request source select bit 1: Receive error interrupt
5 ISR5 0: Reception finished interrupt R W
SIO5 receive interrupt request source select bit 1: Receive error interrupt
6, 7 No function assigned. Fix to "0". 00
These registers select the source of interrupt requests generated by each SIO when transmit or receive opera-
tion is completed.