L36C datasheet(62/75 Pages) RENESAS

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

5. Electrical Characteristics

REJ03B0293-0100 Rev.1.00

Page 62 of 72

Jun 25, 2010

5.5

AC Characteristics

Note:

1. 1tCYC = 1/f1(s)

Table 5.23

Timing Requirements of Synchronous Serial Communication Unit (SSU)

(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

Conditions

Standard

Unit

Min.

Typ.

Max.

tSUCYC

SSCK clock cycle time

4—

—

tCYC (1)

tHI

SSCK clock “H” width

0.4

—

0.6

tSUCYC

tLO

SSCK clock “L” width

0.4

—

0.6

tSUCYC

tRISE

SSCK clock rising

time

Master

——

tCYC (1)

Slave

—

µs

tFALL

SSCK clock falling

time

Master

——

tCYC (1)

Slave

—

µs

tSU

SSO, SSI data input setup time

100

—

SSO, SSI data input hold time

1—

—

tCYC (1)

tLEAD

SCS setup time

Slave

1tCYC + 50

—

tLAG

SCS hold time

Slave

1tCYC + 50

—

tOD

SSO, SSI data output delay time

——

tCYC (1)

tSA

SSI slave access time

2.7 V

≤ VCC ≤ 5.5 V

—

1.5tCYC + 100

1.8 V

≤ VCC < 2.7 V

—

1.5tCYC + 200

tOR

SSI slave out open time

2.7 V

≤ VCC ≤ 5.5 V

—

1.5tCYC + 100

1.8 V

≤ VCC < 2.7 V

—

1.5tCYC + 200

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