L36C datasheet(68/75 Pages) RENESAS

68 / 75 page

R8C/L35C Group, R8C/L36C Group, R8C/L38C Group, R8C/L3AC Group

5. Electrical Characteristics

REJ03B0293-0100 Rev.1.00

Page 68 of 72

Jun 25, 2010

i = 0 to 2

Figure 5.10

Input and Output Timing of Serial Interface

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 5.11

Input Timing of External Interrupt INTi and Key Input Interrupt KIi

Table 5.27

Timing Requirements of Serial Interface

(VCC = 1.8 to 5.5 V, 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(CK)

CLKi input cycle time

800

—

300

—

200

—

tW(CKH)

CLKi input “H” width

400

—

150

—

100

—

tW(CKL)

CLKi input “L” width

400

—

150

—

100

—

td(C-Q)

TXDi output delay time

—

200

—

th(C-Q)

TXDi hold time

—

tsu(D-C)

RXDi input setup time

150

—

th(C-D)

RXDi input hold time

—

Table 5.28

Timing Requirements of External Interrupt INTi (i = 0 to 7) and Key Input Interrupt KIi

(i = 0 to 7)

(VCC = 1.8 to 5.5 V, 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.

tW(INH)

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

1000 (1)

—

380 (1)

—

250 (1)

—

tW(INL)

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

1000 (2)

—

380 (2)

—

250 (2)

—

tW(CKH)

tC(CK)

tW(CKL)

th(C-Q)

th(C-D)

tsu(D-C)

td(C-Q)

CLKi

TXDi

RXDi

i = 0 to 2

INTi input

(i = 0 to 7)

tW(INL)

tW(INH)

KIi input

(i = 0 to 7)

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