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M16C/5L Group, M16C/56 Group
21.2
Registers
Table 21.3 and Table 21.4 list registers associated with UART0 to UART4.
Set the OCOSEL0 or OCOSEL1 bit in the UCLKSEL0 register before setting other registers associated
with UART0 to UART4. After changing the OCOSEL0 or OCOSEL1 bit, set other registers associated
with UART0 to UART4 again.
Refer to "Registers Used and Settings" in each mode for the settings of registers and bits.
Table 21.3
Registers (1/2)
Address
0012h
Peripheral Clock Select Register
0248h
UART0 Transmit/Receive Mode Register
0249h
UART0 Bit Rate Register
024Ah
UART0 Transmit Buffer Register
024Bh
024Ch
UART0 Transmit/Receive Control Register 0
024Dh
UART0 Transmit/Receive Control Register 1
024Eh
UART0 Receive Buffer Register
024Fh
0252h
UART Clock Select Register
0258h
UART1 Transmit/Receive Mode Register
0259h
UART1 Bit Rate Register
025Ah
UART1 Transmit Buffer Register
025Bh
025Ch
UART1 Transmit/Receive Control Register 0
025Dh
UART1 Transmit/Receive Control Register 1
025Eh
UART1 Receive Buffer Register
025Fh
0264h
UART2 Special Mode Register 4
0265h
UART2 Special Mode Register 3
0266h
UART2 Special Mode Register 2
0267h
UART2 Special Mode Register
0268h
UART2 Transmit/Receive Mode Register
0269h
UART2 Bit Rate Register
026Ah
UART2 Transmit Buffer Register
026Bh
026Ch
UART2 Transmit/Receive Control Register 0
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Register
21. Serial Interface UARTi (i = 0 to 4)
Symbol
Reset Value
PCLKR
0000 0011b
U0MR
U0BRG
U0TB
U0C0
0000 1000b
U0C1
0000 0010b
U0RB
UCLKSEL0
U1MR
U1BRG
U1TB
U1C0
0000 1000b
U1C1
0000 0010b
U1RB
U2SMR4
U2SMR3
000X 0X0Xb
U2SMR2
X000 0000b
U2SMR
X000 0000b
U2MR
U2BRG
U2TB
U2C0
0000 1000b
Page 434 of 803
00h
XXh
XXh
XXh
XXh
XXh
X0h
00h
XXh
XXh
XXh
XXh
XXh
00h
00h
XXh
XXh
XXh
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