R8C datasheet(97/106 Pages) RENESAS

97 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 97 of 102

Dec 21, 2010

R8C/LA3A Group, R8C/LA5A Group, R8C/LA6A Group, R8C/LA8A Group

5. Electrical Characteristics

Figure 5.19

External Clock Input Timing Diagram

Figure 5.20

Input Timing of TRJiIO

Table 5.55

External Clock Input (XIN, XCIN)

(VSS = 0 V and Topr =

−20 to 85°C (N version)/ −40 to 85°C (D version), unless otherwise

specified.)

Symbol

Parameter

Standard

Unit

VCC = 2.2V, Topr = 25

°CVCC = 3V, Topr = 25°CVCC = 5V, Topr = 25°C

Min.

Max.

Min.

Max.

Min.

Max.

tc(XIN)

XIN input cycle time

200

–

tWH(XIN)

XIN input “H” width

–

tWL(XIN)

XIN input “L” width

–

tc(XCIN)

XCIN input cycle time

–

µs

tWH(XCIN)

XCIN input “H” width

–

µs

tWL(XCIN)

XCIN input “L” width

–

µs

Table 5.56

Timing Requirements of TRJiIO (i = 0 to 2)

(VSS = 0 V and Topr =

−20 to 85°C (N version)/ −40 to 85°C (D version), unless otherwise

specified.)

Symbol

Parameter

Standard

Unit

VCC = 2.2V, Topr = 25

°CVCC = 3V, Topr = 25°CVCC = 5V, Topr = 25°C

Min.

Max.

Min.

Max.

Min.

Max.

tc(TRJIO)

TRJiIO input cycle time

500

–

300

–

100

–

tWH(TRJIO)

TRJiIO input “H” width

200

–

120

–

tWL(TRJIO)

TRJiIO input “L” width

200

–

120

–

External Clock

Input

tWH(XIN),

tWH(XCIN)

tC(XIN), tC(XCIN)

tWL(XIN), tWL(XCIN)

TRJiIO input

tC(TRJIO)

tWL(TRJIO)

tWH(TRJIO)

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