R8C35M datasheet(49/57 Pages) RENESAS

No de pièce	R8C35M

Description	household appliances, office equipment, audio equipment, consumer equipment

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Fabricant	RENESAS [Renesas Technology Corp]

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R8C/35M Group

5. Electrical Characteristics

Under development Preliminary document

Specifications in this document are tentative and subject to change.

R01DS0021EJ0020 Rev.0.20

Page 49 of 54

Feb 15, 2011

i = 0 to 2

Figure 5.14

Serial Interface Timing Diagram when VCC = 3 V

Notes:

1.

When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock

frequency × 3) or the minimum value of standard, whichever is greater.

2.

When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock

frequency × 3) or the minimum value of standard, whichever is greater.

Figure 5.15

Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi when Vcc

= 3 V

Table 5.28

Serial Interface

Symbol

Parameter

Standard

Unit

Min.

Max.

tc(CK)

CLKi input cycle time

When external clock is selected

300

−

ns

tW(CKH)

CLKi input “H” width

150

−

ns

tW(CKL)

CLKi Input “L” width

150

−

ns

td(C-Q)

TXDi output delay time

−

120

ns

th(C-Q)

TXDi hold time

0

−

ns

tsu(D-C)

RXDi input setup time

30

−

ns

th(C-D)

RXDi input hold time

90

−

ns

td(C-Q)

TXDi output delay time

When internal clock is selected

−

30

ns

tsu(D-C)

RXDi input setup time

120

−

ns

th(C-D)

RXDi input hold time

90

−

ns

Table 5.29

External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)

Symbol

Parameter

Standard

Unit

Min.

Max.

tW(INH)

INTi input “H” width, KIi input “H” width

380 (1)

−

ns

tW(INL)

INTi input “L” width, KIi input “L” width

380 (2)

−

ns

tW(CKH)

tC(CK)

tW(CKL)

th(C-Q)

th(C-D)

tsu(D-C)

td(C-Q)

CLKi

TXDi

RXDi

VCC = 3 V

i = 0 to 2

tW(INL)

tW(INH)

VCC = 3 V

INTi input

(i = 0 to 4)

KIi input

(i = 0 to 3)

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