M16C62 Datasheet, PDF (123/231 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

S I/O3, 4
Mitsubishi microcomputers
M16C / 62 Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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.
P90/CLK3
(P95/CLK4)
f1
f8
f32
SMi3
SMi6
SMi1
SMi0
Data bus
Synchronous
circuit
SMi6
1/2
1/(ni+1)
Transfer rate register (8)
S I/O counter i (3)
S I/Oi
interrupt request
P92/SOUT3
(P96/SOUT4)
SMi2
SMi3
SMi5 LSB
MSB
P91/SIN3
(P97/SIN4)
S I/Oi transmission/reception register (8)
8
Note 1: i = 3, 4.
ni = A value set in the S I/O transfer rate register i (036316, 036716).
Note 2: P91/SIN3 is not connected to outside.
Figure 1.14.31. S I/O3, 4 block diagram
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