M30622M4 MITSUBISHI [Mitsubishi Electric Semiconductor], M30622M4 Datasheet - Page 114

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

Serial I/O
114
Figure 1.19.2. Block diagram of UARTi (i = 0, 1) transmit/receive unit
RxDi
SP
SP
1SP
2SP
SP
0
2SP
1SP
SP
0
PAR
PAR
0
PAR
enabled
PAR
disabled
“0”
PAR
disabled
PAR
enabled
0
Clock
synchronous
type
UART
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
D
UART (7 bits)
7
7
D
D
6
6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D
D
5
5
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
D
D
4
4
UARTi transmit register
UARTi receive register
D
D
3
3
SP: Stop bit
PAR: Parity bit
D
D
2
2
D
D
1
1
D
D
Mitsubishi microcomputers
M16C / 62 Group
0
0
UARTi transmit
buffer register
UARTi receive
buffer register
Address 03A6
Address 03A7
Address 03AE
Address 03AF
Address 03A2
Address 03A3
Address 03AA
Address 03AB
TxDi
16
16
16
16
16
16
16
16