12
12-3
Serial I/O
32180 Group User's Manual (Rev.1.0)
Table 12.1.2 Interrupt Generation Functions of Serial I/O
Serial I/O Interrupt Request Source ICU Interrupt Sources
SIO0 transmit buffer empty or transmission finished SIO0 transmit interrupt
SIO0 reception finished or receive error SIO0 receive interrupt
SIO1 transmit buffer empty or transmission finished SIO1 transmit interrupt
SIO1 reception finished or receive error SIO1 receive interrupt
SIO2 transmit buffer empty or transmission finished SIO2,3 transmit/receive interrupt (group interrupt)
SIO2 reception finished or receive error SIO2,3 transmit/receive interrupt (group interrupt)
SIO3 transmit buffer empty or transmission finished SIO2,3 transmit/receive interrupt (group interrupt)
SIO3 reception finished or receive error SIO2,3 transmit/receive interrupt (group interrupt)
SIO4 transmit buffer empty or transmission finished SIO4,5 transmit/receive interrupt (group interrupt)
SIO4 reception finished or receive error SIO4,5 transmit/receive interrupt (group interrupt)
SIO5 transmit buffer empty or transmission finished SIO4,5 transmit/receive interrupt (group interrupt)
SIO5 reception finished or receive error SIO4,5 transmit/receive interrupt (group interrupt)
Note: • The transmission-finished interrupt is effective when the internal clock is selected in UART or CSIO mode.
Table 12.1.3 DMA Transfer Request Generation Functions of Serial I/O
Serial I/O DMA Transfer Request DMAC Input Channels
SIO0 transmit buffer empty DMA3, DMA4
SIO0 reception finished DMA4
SIO1 transmit buffer empty DMA6
SIO1 reception finished DMA6, DMA3
SIO2 transmit buffer empty DMA7
SIO2 reception finished DMA5
SIO3 transmit buffer empty DMA7, DMA9
SIO3 reception finished DMA8
12.1 Outline of Serial I/O