R5F212BCSNFA datasheet(51/66 Pages) RENESAS

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R8C/2A Group, R8C/2B Group

5. Electrical Characteristics

Rev.2.10

Nov 26, 2007

Page 49 of 60

REJ03B0182-0210

Timing Requirements

(Unless Otherwise Specified: VCC = 5 V, VSS = 0 V at Topr = 25

°C) [VCC = 5 V]

Figure 5.8

XIN Input and XCIN Input Timing Diagram when VCC = 5 V

Figure 5.9

TRAIO Input and INT1 Input Timing Diagram when VCC = 5 V

NOTES:

When using timer RF input capture mode, adjust the cycle time to (1/timer RF count source frequency × 3) or above.

When using timer RF input capture mode, adjust the pulse width to (1/timer RF count source frequency × 1.5) or above.

Figure 5.10

TRFI Input Timing Diagram when VCC = 5 V

Table 5.18

XIN Input, XCIN Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(XIN)

XIN input cycle time

−

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 5.19

TRAIO Input, INT1 Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(TRAIO)

TRAIO input cycle time

100

−

tWH(TRAIO)

TRAIO input “H” width

−

tWL(TRAIO)

TRAIO input “L” width

−

Table 5.20

TRFI Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(TRFI)

TRFI input cycle time

400(1)

−

tWH(TRFI)

TRFI input “H” width

200(2)

−

tWL(TRFI)

TRFI input “L” width

200(2)

−

XIN input

tWH(XIN)

tC(XIN)

tWL(XIN)

VCC = 5 V

TRAIO input

VCC = 5 V

tC(TRAIO)

tWL(TRAIO)

tWH(TRAIO)

tWH(TRFI)

tc(TRFI)

tWL(TRFI)

TRFI input

VCC = 5 V

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