m37702s1afp Mitsumi Electronics, Corp., m37702s1afp Datasheet - Page 28

• Manufacturer Part Number: m37702s1afp
• Description: Single-chip 16-bit Cmos Microcomputer
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 35 Receiver block diagram
Fig. 36 Transmitter block diagram
Fig. 37 UARTi Transmit/Receive control register bit configuration
28
RxDi
0
“0”
0
Stop
bit
Stop
0
bit
2 stop bit
SUM PER FER OER
Stop
bit
7
7
1 stop bit
2 stop bit
1 stop bit
0
Stop
bit
6
6
Parity
0
bit
5
5
Synchronous
Parity
Parity
Parity
bit
parity
“0”
No
4
4
0
7 bit
8 bit
9 bit
parity
No
7 bit
8 bit
9 bit
EPTY
Synchronous
Tx
RI
3
3
0
M37702M2AXXXFP, M37702M2BXXXFP
R/C
Data bus (even)
RE
Data bus (odd)
D
7 bit
9 bit
Synchro-
2
2
Data bus (even)
nous
Data bus (odd)
8
D
9 bit
8 bit
8
CS
TI
1
1
7 bit
8 bit
Synchronous
1
D
8 bit
9 bit
Synchronous
7
CS
D
TE
0
0
7
8 bit
9 bit
Synchronous
7 bit
0
7 bit
D
Clock source selection bits
0 0 : Select f
0 1 : Select f
1 0 : Select f
1 1 : Select f
Transmission register empty bit
6
M37702S1AFP, M37702S1BFP
CTS, RTS
0 : Select
1 : Select
D
UART 0 transmit/receive control register 0 34
UART 1 transmit/receive control register 0 3C
UART 0 transmit/receive control register 1 35
UART 1 transmit/receive control register 1 3D
Transmit enable flag
Transmit buffer empty flag
Receive enable flag
Receive completion flag
Overrun error flag
Framing error flag
Parity error flag
Error sum flag
6
D
5
D
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Selection bit
5
CTS
RTS
2
16
64
512
D
4
D
4
D
MITSUBISHI MICROCOMPUTERS
3
D
3
Transmission register
D
2
D
2
D
D
1
Addresses
Addresses
1
D
16
16
16
16
D
0
0
Transmission
buffer register
TxDi
Receive buffer
register
Receive
register