
SERIAL INTERFACE
12
12-3
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
Table 12.1.2 Interrupt Generation Functions of Serial Interface
Serial Interface Interrupt Request Cause
ICU Interrupt Request 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 Interface
Serial Interface DMA Transfer Request
DMAC Input Channels
SIO0 transmit buffer empty
DMA3, DMA4
SIO0 reception finished
DMA4
SIO1 transmit buffer empty
DMA6
SIO1 reception finished
DMA3, DMA6
SIO2 transmit buffer empty
DMA7
SIO2 reception finished
DMA5
SIO3 transmit buffer empty
DMA7, DMA9
SIO3 reception finished
DMA8
SIO4 transmit buffer empty
DMA0
SIO4 reception finished
DMA1
SIO5 transmit buffer empty
DMA2
SIO5 reception finished
DMA3
12.1 Outline of Serial Interface