M16C62N Datasheet, PDF (90/213 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Serial I/O
Mitsubishi microcomputers
M16C / 62N Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
RxD2
RxD data
reverse circuit
No reverse
Reverse
1SP
SP
SP
2SP
PAR
PAR
disabled
Clock
synchronous
type
PAR
enabled
UART
Clock
synchronous type
UART
(7 bits)
UART
(8 bits)
UART(7 bits)
UART
(9 bits)
Clock
synchronous type
UART
(8 bits)
UART
(9 bits)
UART2 receive register
0 0 0 0 0 0 0 D8
D7 D6 D5 D4 D3 D2 D1 D0
Logic reverse circuit + MSB/LSB conversion circuit
UART2 receive
buffer register
Address 037E16
Address 037F16
Data bus high-order bits
Data bus low-order bits
Logic reverse circuit + MSB/LSB conversion circuit
D8
D7 D6 D5 D4 D3 D2 D1 D0
2SP
PAR
enabled _UART
SP
SP
PAR
1SP
PAR
disabled
Clock
synchronous
type
“0”
UART
(9 bits)
UART
(8 bits)
UART
(9 bits)
Clock
synchronous type
UART
(7 bits)
UART
(8 bits)
Clock
synchronous type
UART(7 bits)
UART2 transmit register
Error signal output
disable
No reverse
Note: Clock synchronous serial I/O mode cannot be used in UART2.
Error signal
output circuit
Error signal output
enable
TxD data
reverse circuit
Reverse
SP: Stop bit
PAR: Parity bit
UART2 transmit
buffer register
Address 037A16
Address 037B16
TxD2
Figure 1.14.3. Block diagram of UART2 transmit/receive unit
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