M30622M4 MITSUBISHI [Mitsubishi Electric Semiconductor], M30622M4 Datasheet - Page 115

• Manufacturer Part Number: M30622M4
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Serial I/O
Figure 1.19.3. Block diagram of UART2 transmit/receive unit
RxD2
SP
SP
reverse circuit
2SP
1SP
RxD data
SP
0
2SP
1SP
SP
0
PAR
PAR
No reverse
Reverse
0
PAR
disabled
PAR
enabled
“0”
PAR
enabled
PAR
disabled
0
UART
Clock
synchronous
type
Clock
synchronous
type
UART
0
0
UART
(9 bits)
UART
(9 bits)
0
UART
(7 bits)
UART
(8 bits)
Clock
synchronous type
Clock
synchronous type
UART
(7 bits)
UART
(8 bits)
D
D
8
8
Data bus high-order bits
Data bus low-order bits
UART
(8 bits)
UART
(9 bits)
Clock
synchronous type
Clock
synchronous type
UART
(8 bits)
UART
(9 bits)
UART(7 bits)
D
Logic reverse circuit + MSB/LSB conversion circuit
Logic reverse circuit + MSB/LSB conversion circuit
D
UART(7 bits)
7
7
Error signal output
disable
Error signal output
enable
D
D
6
6
D
D
output circuit
Error signal
5
5
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
D
D
4
4
UART2 transmit register
UART2 receive register
D
D
3
3
No reverse
Reverse
D
D
SP: Stop bit
PAR: Parity bit
2
2
reverse circuit
TxD data
D
D
1
1
Mitsubishi microcomputers
D
D
M16C / 62 Group
0
0
Address 037A
Address 037B
Address 037E
Address 037F
UART2 transmit
buffer register
UART2 receive
buffer register
TxD2
16
16
16
16
115