32186 datasheet(551/1032 Pages) RENESAS

551 / 1032 page

SERIAL INTERFACE

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

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