R5F2136CANFA datasheet(49/57 Pages) RENESAS

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R8C/36A Group

5. Electrical Characteristics

REJ03B0265-0110 Rev.1.10 Sep 28, 2009

Page 49 of 55

Under development Preliminary specification

Specifications in this manual are tentative and subject to change.

i = 0 to 2

Figure 5.16

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 5.17

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

when VCC = 3 V

Table 5.29

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

0—

tsu(D-C)

RXDi input setup time

—

th(C-D)

RXDi input hold time

—

Table 5.30

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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