M32C8B Datasheet, PDF (215/406 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change.
M32C/8B Group
17. Serial Interfaces
UARTi transmit/receive mode register (i = 0 to 4)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
U0MR to U2MR
U3MR, U4MR
Address
0368h, 02E8h, 0338h
0328h,02F8h
After Reset
00h
00h
Bit Symbol
Bit Name
Function
RW
SMD0
b2 b1 b0
0 0 0: Serial interface disabled
RW
0 0 1: Clock synchronous mode
0 1 0: I²C mode
SMD1 Serial interface mode select bits 1 0 0: UART mode, 7-bit data length
RW
1 0 1: UART mode, 8-bit data length
1 1 0: UART mode, 9-bit data length
SMD2
RW
Do not set to values other than the above
CKDIR Clock select bit
0: Internal clock
1: External clock
RW
STPS
Stop bit length select bit
0: 1 stop bit
1: 2 stop bits
RW
Enabled when PRYE=1
PRY
Parity select bit
0: Odd parity
RW
1: Even parity
PRYE Parity enable bit
0: Parity disabled
1: Parity enabled
RW
IOPOL
TXD, RXD input/output
polarity switch bit
0: Not inverted
1: Inverted
RW
Figure 17.2 U0MR to U4MR Registers
REJ09B0450-0050 Rev.0.50 Oct 31, 2008
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