R32C121 datasheet(93/113 Pages) RENESAS

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REJ03B0237-0050 Rev.0.50 Jul 31, 2008

Page 93 of 111

Under development

Preliminary Specification

This is a preliminary specification and is subject to change.

R32C/121 Group

5. Electrical Characteristics

VCC =5V

Timing Requirements (VCC = 4.2 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)

Table 5.27

Timer B Input (Counting input in event counter mode)

Symbol

Characteristic

Value

Unit

Min.

Max.

tc(TB)

TBiIN input clock period (one edge counting)

200

tw(TBH)

TBiIN input high level pulse width (one edge counting)

tw(TBL)

TBiIN input low level pulse width (one edge counting)

tc(TB)

TBiIN input clock period (both edges counting)

200

tw(TBH)

TBiIN input high level pulse width (both edges counting)

tw(TBL)

TBiIN input low level pulse width (both edges counting)

Table 5.28

Timer B Input (Pulse period measure mode)

Symbol

Characteristic

Value

Unit

Min.

Max.

tc(TB)

TBiIN input clock period

400

tw(TBH)

TBiIN input high level pulse width

180

tw(TBL)

TBiIN input low level pulse width

180

Table 5.29

Timer B Input (Pulse-width measure mode)

Symbol

Characteristic

Value

Unit

Min.

Max.

tc(TB)

TBiIN input clock period

400

tw(TBH)

TBiIN input high level pulse width

180

tw(TBL)

TBiIN input low level pulse width

180

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