m37702s1afp Mitsumi Electronics, Corp., m37702s1afp Datasheet - Page 30

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

Fig. 38 Clock synchronous serial communication
Fig. 39 Clock synchronous serial I/O timing
30
Transmission
SUM
T
UART
0
UART
X
EPTY
UART
CTSj
CLK
T
T
clock
ENDj
X
UART
TE
D
TI
PER
j
j
UART
j
j
j
j
j
UART
transmit/receive control register 1
j
transmit/receive control register 0
transmit/receive mode register
UART
j
FER OER
transmission buffer register
Write in transmission buffer register
j
j
receive buffer register
transmission register
j
receive register
D
0
EPTY
EPTY
RI
D
0
Tx
Tx
1
D
RE
2
0
0
0
D
3
CS
CS
D
TI
0
4
1 / f
1
1
D
CS
CS
5
i
TE
Transmission register
1
D
0
0
( n + 1 )
1 / f
6
D
TxD
RxD
CLK
CTS
i
7
M37702M2AXXXFP, M37702M2BXXXFP
( n + 1 )
j
j
j
j
D
2
0
D
1
D
2
Transmission buffer register
2
D
3
D
M37702S1AFP, M37702S1BFP
4
D
TxD
RxD
CLK
RTS
5
D
k
k
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
k
k
6
D
SUM
7
UART
UART
0
UART
UART
Stopped because TE
PER
UART
k
k
MITSUBISHI MICROCOMPUTERS
UART
k
transmit/receive control register 0
transmit/receive control register 1
D
UART
transmit/receive mode register
k
0
FER
transmission buffer register
D
k
k
1
receive buffer register
transmission register
k
D
OER
receive register
2
j
= “0”
D
3
EPTY
RI
Tx
D
1
4
D
0 0
RE
5
1
D
6
D
TI
7
TE
1