M16C26A Datasheet, PDF (193/352 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/26A Group (M16C/26A, M16C/26B, M16C/26T)
13. Serial I/O
Table 13.1.6.2. Registers to Be Used and Settings in SIM Mode
Register
U2TB⁽¹⁾
U2RB⁽¹⁾
U2BRG
U2MR
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 a transfer 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”
U2C0
CLK1, CLK0
Select the count source for the U2BRG register
CRS
Invalid because CRD=1
TXEPT
Transmit register empty flag
CRD
Set to “1”
NCH
Set to “0”
CKPOL
Set to “0”
UFORM
Set this bit to “0” for direct format or “1” for inverse format
U2C1
TE
Set this bit to “1” to enable transmission
TI
Transmit buffer empty flag
RE
Set this bit to “1” to enable reception
RI
Reception complete flag
U2IRS
Set to “1”
U2RRM
Set to “0”
U2LCH
Set this bit to “0” for direct format or “1” for inverse format
U2ERE
U2SMR⁽¹⁾ 0 to 3
Set to “1”
Set to “0”
U2SMR2 0 to 7
Set to “0”
U2SMR3 0 to 7
Set to “0”
U2SMR4 0 to 7
Set to “0”
NOTE:
1. Not all bits in registers are described above. Set those bits to “0” when writing to the registers in SIM
mode.
Rev. 2.00 Feb.15, 2007 page 176 of 329
REJ09B0202-0200