M16C29 Datasheet, PDF (237/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
14. Serial I/O
Table 14.19 Registers to Be Used and Settings in SIM Mode
Register
U2TB⁽¹⁾
U2RB⁽¹⁾
U2BRG
U2MR
U2C0
Bit
Function
0 to 7
Set transmission data
0 to 7
Reception data can be read
OER,FER,PER,SUM Error flag
0 to 7
Set bit rate
SMD2 to SMD0 Set to 1012
CKDIR
Select the internal clock or external clock
STPS
Set to 0
PRY
Set this bit to 1 for direct format or 0 for inverse format
PRYE
Set to 1
IOPOL
Set to 0
CLK1, CLK0
Select the count source for the U2BRG register
CRS
Invalid because CRDis set to 1
TXEPT
Transmit register empty flag
U2C1
CRD
NCH
CKPOL
UFORM
TE
TI
RE
RI
Set to 1
Set to 0
Set to 0
Set this bit to 0 for direct format or 1 for inverse format
Set this bit to 1 to enable transmission
Transmit buffer empty flag
Set this bit to 1 to enable reception
Reception complete flag
U2IRS
Set to 1
U2SMR⁽¹⁾
U2SMR2
U2SMR3
U2SMR4
U2RRM
U2LCH
U2ERE
0 to 3
0 to 7
0 to 7
0 to 7
Set to 0
Set this bit to 0 for direct format or 1 for inverse format
Set to 1
Set to 0
Set to 0
Set to 0
Set to 0
NOTE:
1. Not all register bits are described above. Set those bits to 0 when writing to the registers in SIM mode.
Rev. 1.12 Mar.30, 2007 ^{page 213} of 458
REJ09B0101-0112