R8CSLASH15 datasheet(245/277 Pages) RENESAS

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R8C/14 Group, R8C/15 Group

19. Electrical Characteristics

Rev.2.10

Jan 19, 2006

Page 233 of 253

REJ09B0164-0210

Timing requirements (Unless otherwise specified: VCC = 3V, VSS = 0V at Topr = 25

°C) [VCC = 3V]

NOTES:

When using the Timer C input capture mode, adjust the cycle time (1/Timer C count source frequency x 3) or above.

When using the Timer C input capture mode, adjust the width (1/Timer C count source frequency x 1.5) or above.

NOTES:

When selecting the digital filter by the INT0 input filter select bit, use the INT0 input HIGH width to the greater value, either

(1/digital filter clock frequency x 3) or the minimum value of standard.

When selecting the digital filter by the INT0 input filter select bit, use the INT0 input LOW width to the greater value, either

(1/digital filter clock frequency x 3) or the minimum value of standard.

Table 19.22

XIN Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(XIN)

XIN Input Cycle Time

100

−

tWH(XIN)

XIN Input “H” Width

−

tWL(XIN)

XIN Input “L” Width

−

Table 19.23

CNTR0 Input, CNTR1 Input, INT1 Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(CNTR0)

CNTR0 Input Cycle Time

300

−

tWH(CNTR0)

CNTR0 Input “H” Width

120

−

tWL(CNTR0)

CNTR0 Input “L” Width

120

−

Table 19.24

TCIN Input, INT3 Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(TCIN)

TCIN Input Cycle Time

1,200(1)

−

tWH(TCIN)

TCIN Input “H” Width

600(2)

−

tWL(TCIN)

TCIN Input “L” Width

600(2)

−

Table 19.25

Serial Interface

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(CK)

CLKi Input Cycle Time

300

−

tW(CKH)

CLKi Input “H” Width

150

−

tW(CKL)

CLKi Input “L” Width

150

−

td(C-Q)

TXDi Output Delay Time

−

th(C-Q)

TXDi Hold Time

−

tsu(D-C)

RXDi Input Setup Time

−

th(C-D)

RCDi Input Hold Time

−

Table 19.26

External Interrupt INT0 Input

Symbol

Parameter

Standard

Unit

Min.

Max.

tW(INH)

INT0 Input “H” Width

380(1)

−

tW(INL)

INT0 Input “L” Width

380(2)

−

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