M30240ECFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30240ECFP Datasheet - Page 84

• Manufacturer Part Number: M30240ECFP
• Description: M30240 Group Specification
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Specifications in this manual are tentative and subject to change
UART0 through UART2
Figure 1.75 and Figure 1.76 show the block diagram of the transmit/receive unit.
Figure 1.75: Block diagram of UARTi (i=0,1) transmit/receive circuit
Figure 1.76: Block diagram of UART2 transmit/receive circuit
RxD2
RxDi
SP
SP
SP
SP
reverse circuit
1SP
2SP
RxD data
SP
1SP
2SP
SP
0
2SP
1SP
SP
0
2SP
1SP
SP
0
PAR
0
PAR
No reverse
PAR
Reverse
PAR
0
PAR
disabled
PAR
enabled
“0”
0
PAR
enabled
PAR
enabled
PAR
disabled
PAR
disabled
“0”
PAR
disabled
PAR
enabled
0
0
UART
Clock
synchronous
type
Clock
synchronous
type
UART
Clock
synchronous
type
UART
0
Clock
synchronous
type
UART
0
0
0
UART
(9 bits)
UART
(9 bits)
0
UART (9 bits)
UART (9 bits)
UART
(7 bits)
UART
(8 bits)
0
Clock
synchronous type
Clock
synchronous type
UART
(7 bits)
UART
(8 bits)
D
UART (7 bits)
UART (8 bits)
Clock synchronous
type
Clock
synchronous type
UART (7 bits)
UART (8 bits)
D
8
D
D
8
8
1-84
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
8
Data bus high-order bits
Data bus low-order bits
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 (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)
UART (7 bits)
D
7
7
D
UART (7 bits)
7
7
Error signal output
disable
Error signal output
enable
D
D
D
D
6
6
6
6
D
D
output circuit
MSB/LSB conversion circuit
Error signal
MSB/LSB conversion circuit
D
D
5
5
5
5
D
D
D
D
4
4
UART2 transmit register
UART2 receive register
4
4
UARTi transmit register
UARTi receive register
D
D
D
D
3
3
No reverse
Reverse
3
3
SP: Stop bit
PAR: Parity bit
D
D
SP: Stop bit
PAR: Parity bit
D
D
2
2
reverse circuit
2
2
TxD data
D
D
D
D
1
1
1
1
D
D
D
D
0
0
Mitsubishi microcomputers
0
0
M30240 Group
Address 037A
Address 037B
Address 037E
Address 037F
UART2 transmit
buffer register
UARTi transmit
buffer register
UARTi receive
buffer register
Address 03A6
Address 03A7
Address 03AE
Address 03AF
UART2 receive
buffer register
Address 03A2
Address 03A3
Address 03AA
Address 03AB
TxD2
TxDi
16
16
16
16
16
16
16
16
16
16
16
16