Renesas M32R/ECU Series User Manual page 784

21
21.8.3 A.C. Characteristics
BCLK
Port input
Port output
Note: • The ports listed below operate with the VCC-BUS power supply, and not with the VCCE power supply.
Therefore, the reference voltage for these ports is the VCC-BUS input voltage.
P00–P07, P10–P17, P20–P27, P30–P37, P41–P47, P70–P73, P224, P225
Figure 21.8.1 Input/Output Port Timing
a) CSIO mode, with internal clock selected
SCLKO
TXD
RXD
b) CSIO mode, with external clock selected
SCLKI
TXD
RXD
Figure 21.8.2 Serial I/O Timing
0.8VCCE
[1] [2]
tsu(P-E)
0.8VCCE
0.2VCCE
0.2VCCE
[6]
td(CLK-D)
0.8VCCE
0.2VCCE
[4] [5]
tsu(D-CLK)
0.8VCCE
0.2VCCE
0.8VCCE
0.2VCCE
[12]
td(CLK-D)
0.8VCCE
0.2VCCE
[10] [11]
tsu(D-CLK)
0.8VCCE
0.2VCCE
ELECTRICAL CHARACTERISTICS
21.8 A.C. Characteristics (when VCCE = 3.3 V)
0.2VCCE
th(E-P)
0.8VCCE
0.2VCCE
[3]
td(E-P)
0.8VCCE
0.2VCCE
0.8VCCE
[98]
th(CLK-D)
th(CLK-D)
0.8VCCE
0.2VCCE
[7] [8]
tc(CLK)
[9]
tw(CLKL)
th(CLK-D)
0.8VCCE
0.2VCCE
21-43
tw(CLKH)
32180 Group User's Manual (Rev.1.0)