M30621ECGP MITSUBISHI [Mitsubishi Electric Semiconductor], M30621ECGP Datasheet - Page 122

• Manufacturer Part Number: M30621ECGP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

S I/O3, 4
122
Figure 1.14.31. S I/O3, 4 block diagram
S I/O3, 4
S I/O3 and S I/O4 are exclusive clock-synchronous serial I/Os.
Figure 1.14.31 shows the S I/O3, 4 block diagram, and Figure 1.14.32 shows the S I/O3, 4 control register.
Table 1.14.12 shows the specifications of S I/O3, 4.
(P9
(P9
P9
(P9
P9
Note 1: i = 3, 4.
Note 2: P9
6/
P9
5/
2/
0/
S
7/
CLK
S
1/
CLK
OUT4
S
OUT3
S
ni = A value set in the S I/O transfer rate register i (0363
IN4
IN3
4
3
)
)
)
1
/S
IN3
is not connected to outside.
f
32
f
f
1
8
SMi3
SMi6
SMi2
SMi3
SMi5 LSB
SMi6
S I/Oi transmission/reception register (8)
SMi1
SMi0
Synchronous
circuit
MSB
16
, 0367
S I/O counter i (3)
16
1/2
Transfer rate register (8)
).
1/(ni+1)
8
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Data bus
M16C / 62 Group (80-pin)
S I/Oi
interrupt request
Mitsubishi microcomputers