Datasheet

Table Of Contents
13. Serial I/O
page 137
923fo7002,51.beF00.2.veR
0020-2020B90JER
)T62/C61M,B62/C61M,A62/C61M(puorGA62/C61M
UARTi transmit/receive mode register (i = 0, 1)
Symbol Address After reset
U0MR, U1MR 03A0
16
, 03A8
16
00
16
b7 b6 b5 b4 b3 b2 b1 b0
Bit name
Bit
symbol
RW
CKDIR
SMD1
SMD0
Serial I/O mode select bit
(2)
SMD2
Internal/external clock
select bit
STPS
PRY
PRYE
(b7)
Parity enable bit
0 : Internal clock
1 : External clock (1)
Stop bit length select bit
Odd/even parity select bit
Reserve bit
0 : One stop bit
1 : Two stop bits
0 : Parity disabled
1 : Parity enabled
0 0 0 : Serial I/O disabled
0 0 1 : Clock synchronous serial I/O mode
1 0 0 : UART mode transfer data 7 bits long
1 0 1 : UART mode transfer data 8 bits long
1 1 0 : UART mode transfer data 9 bits long
Do not set value other than the above
b2 b1 b0
Effective when PRYE = 1
0 : Odd parity
1 : Even parity
Write to "0"
Functio
n
RW
RW
RW
RW
RW
RW
RW
RW
UART2 transmit/receive mode register
Symbol Address After reset
U2MR 0378
16
00
16
b7 b6 b5 b4 b3 b2 b1 b0
Bit name
Bit
symbol
RW
CKDIR
SMD1
SMD0
Serial I/O mode select bit
(2)
SMD2
Internal/external clock
select bit
STPS
PRY
PRYE
IOPOL
Parity enable bit
0 : Internal clock
1 : External clock (1)
Stop bit length select bit
Odd/even parity select bit
TxD, RxD I/O polarity
reverse bit
0 : One stop bit
1 : Two stop bits
0 : Parity disabled
1 : Parity enabled
0 0 0 : Serial I/O disabled
0 0 1 : Clock synchronous serial I/O mode
0 1 0 : I
2
C bus mode
1 0 0 : UART mode transfer data 7 bits long
1 0 1 : UART mode transfer data 8 bits long
1 1 0 : UART mode transfer data 9 bits long
Must not be set except above
b2 b1 b0
Effective when PRYE = 1
0 : Odd parity
1 : Even parity
0 : No reverse
1 : Reverse
Functio
n
RW
RW
RW
RW
RW
RW
RW
RW
(3)
NOTES:
1. Set the corresponding port direction bit for each CLKi pin to 0 (input mode).
2. To receive data, set the corresponding port direction bit for each RxDi pin to 0 (input mode).
NOTES:
1. Set the corresponding port direction bit for each CLK2 pin to 0 (input mode).
2. To receive data, set the corresponding port direction bit for each RxD2 pin to 0 (input mode).
3. Set the corresponding port direction bit for SCL2 and SDA2 pins to 0 (input mode).
Figure 13.1.5. U0MR to U2MR registers