R5F2LA36ADFP datasheet(69/106 Pages) RENESAS

69 / 106 page

R01DS0011EJ0100 Rev.1.00

Page 69 of 102

Dec 21, 2010

R8C/LA3A Group, R8C/LA5A Group, R8C/LA6A Group, R8C/LA8A Group

5. Electrical Characteristics

5.1.5

AC Characteristics

Note:

1tCYC = 1/f1(s)

Table 5.24

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

–

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

–

tCYC (1)

tLEAD

SCS setup time

Slave

1tCYC + 50

–

tLAG

SCS hold time

Slave

1tCYC + 50

–

tOD

SSO, SSI data output delay time

–

1tCYC + 20

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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