Renesas M32R/ECU Series User Manual

21
21-43
ELECTRICAL CHARACTERISTICS
32180 Group User's Manual (Rev.1.0)
21.8.3 A.C. Characteristics
Figure 21.8.1 Input/Output Port Timing
Figure 21.8.2 Serial I/O Timing
Port output
[3] td(E-P)
0.8VCCE
0.2VCCE
BCLK
0.8VCCE
0.2VCCE
0.8VCCE
0.2VCCE
Port input
0.2VCCE
0.8VCCE
[1] tsu(P-E) [2] th(E-P)
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
SCLKO
TXD
RXD
[6]
td(CLK-D)
[4] tsu(D-CLK) [5] th(CLK-D)
a) CSIO mode, with internal clock selected
0.8VCCE
0.2VCCE
0.2VCCE
0.8VCCE
0.2VCCE
0.8VCCE
b) CSIO mode, with external clock selected
SCLKI
TXD
RXD
[12]
td(CLK-D)
[10] tsu(D-CLK) [11] th(CLK-D)
0.8VCCE
0.2VCCE
0.2VCCE
0.8VCCE
0.2VCCE
0.8VCCE
0.2VCCE
0.8VCCE
[7] tc(CLK) [8] tw(CLKH)
[9] tw(CLKL)
0.2VCCE
0.8VCCE
[98] th(CLK-D)
21.8 A.C. Characteristics (when VCCE = 3.3 V)

Renesas M32R/ECU Series Specifications

General

Brand	Renesas
Model	M32R/ECU Series
Category	Computer Hardware
Language	English