M32C80 Datasheet, PDF (197/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

M32C/80 Group
16. Serial I/O (Clock Synchronous Serial I/O)
Table 16.2 Register Settings in Clock Synchronous Serial I/O Mode
Register
UiTB
UiRB
UiBRG
UiMR
UiC0
UiC1
UiSMR
UiSMR2
UiSMR3
UiSMR4
i=0 to 4
Bit
7 to 0
7 to 0
OER
7 to 0
SMD2 to SMD0
CKDIR
IOPOL
CLK1, CLK0
CRS
TXEPT
CRD
NCH
CKPOL
UFORM
TE
TI
RE
RI
UiIRS
UiRRM
UiLCH
SCLKSTPB
7 to 0
7 to 0
2 to 0
NODC
7 to 4
7 to 0
Function
Set transmit data
Received data can be read
Overrun error flag
Set bit rate
Set to "0012"
Select the internal clock or external clock
Set to "0"
Select count source for the UiBRG register
_______
_______
Select CTS or RTS when using either
Transmit register empty flag
_______
_______
Enables or disables the CTS or RTS function
Select output format of the TxDi pin
Select transmit clock polarity
Select either LSB first or MSB first
Set to "1" to enable data transmission and reception
Transmit buffer empty flag
Set to "1" to enable data reception
Reception complete flag
Select what causes the UARTi transmit interrupt to be generated
Set to "1" when using continuous receive mode
Set to "1" when using data logic inverse
Set to "0"
Set to "0016"
Set to "0016"
Set to "0002"
Select clock output format
Set to "00002"
Set to "0016"
Rev. 1.00 Nov. 01, 2005 ^{Page 178} of 330
REJ09B0271-0100