M30218 Datasheet, PDF (89/179 Pages) Mitsubishi Electric Semiconductor – M30218 Group

Serial I/O
Mitsubishi microcomputers
M30218 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
RxDi
1SP
SP
SP
2SP
PAR
PAR
disabled
PAR
enabled
Clock
synchronous
type
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)
UARTi receive register
0 0 0 0 0 0 0 D8
D7 D6 D5 D4 D3 D2 D1 D0 ^{UARTi receive}
buffer register
Address 03A616
MSB/LSB conversion circuit
Address 03A716
Address 03AE16
Address 03AF16
Data bus high-order bits
Data bus low-order bits
2SP
PAR
enabled
UART
SP
SP
PAR
1SP
PAR
disabled
Clock
synchronous
type
"0"
MSB/LSB conversion circuit
D8
D7 D6 D5 D4 D3 D2 D1 D0 ^{UARTi transmit}
buffer register
Address 03A216
Address 03A316
Address 03AA16
UART (8 bits)
Address 03AB16
UART (9 bits)
UART (9 bits)
Clock
synchronouss
type
TxDi
UART (7 bits)
UART (8 bits)
Clock synchronous
type
UART (7 bits)
UARTi transmit register
SP: Stop bit
PAR: Parity bit
Figure GA-2. Block diagram of transmit/receive unit
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