M37754 Mitsubishi, M37754 Datasheet - Page 47

• Manufacturer Part Number: M37754
• Description: SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
• Manufacturer: Mitsubishi

Fig. 56 Receiver block diagram
Fig. 57 Transmitter block diagram
Fig. 58 UARTi Transmit/Receive control register bit configuration
R
X
0
D
i
“0”
0
Stop
MSB/
SUM
LSB
bit
7
7
Stop
bit
PER
0
6
6
2 stop bit
FER
1 stop bit
5
5
Stop
1 stop bit
2 stop bit
bit
OER
4
4
0
Stop
bit
EPTY
3
3
RI
T
X
R/C TCS
RE
2
2
Parity
0
Parity
Parity
bit
Synchronous
bit
1
1
TI
Parity
1
TCS
No
parity
TE
0
0
0
No
parity
“0”
0
M37754M8C-XXXGP, M37754M8C-XXXHP
7bit
8bit
9bit
7bit
8bit
9bit
BRG count source select bit
0 0 : Select Pf
0 1 : Select Pf
1 0 : Select Pf
1 1 : Select Pf
CTS, RTS select bit
Transmit register empty bit
CTS, RTS enable bit
Transfer format select bit (Note)
Transmit enable flag
Transmit buffer empty flag
Receive enable flag
Receive complete flag
Overrun error flag
Framing error flag
Parity error flag
Error sum flag
UART 0 Transmit/Receive control register 0
UART 1 Transmit/Receive control register 0
UART 0 Transmit/Receive control register 1
UART 1 Transmit/Receive control register 1
0 : Select CTS
1 : Select RTS
0 : Enable CTS, RTS
1 : Disable CTS, RTS (Input/Output port)
0 : LSB first
1 : MSB first
0
Synchronous
Data bus(even)
Data bus(odd)
Data bus(even)
Data bus(odd)
D
7bit
9bit
Synchr-
onous
9 bit
D
8
Synchronous
8
8 bit
2
16
64
512
7bit
8bit
D
D
7
8bit
9bit
Synchronous
7
8bit
9bit
Synchronous
7 bit
7 bit
M37754S4CGP, M37754S4CHP
D
D
6
6
D
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
D
5
5
Bit Converter
D
Bit Converter
Addresses
Addresses
D
4
Note : This bit is valid in clock synchronous mode.
4
Transmit register
3C
3D
34
35
16
16
16
16
MITSUBISHI MICROCOMPUTERS
D
D
Fix this bit to “0” in UART mode.
3
3
Transmit buffer register
D
D
Receive buffer register
2
2
Receive register
D
D
1
1
D
D
0
0
T
X
D
i
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