R5F104FCAFP datasheet(108/207 Pages) RENESAS

108 / 207 page

RL78/G13

2. ELECTRICAL SPECIFICATIONS (TA = –40 to +85°C)

R01DS0131EJ0350 Rev.3.50

108 of 200

Jun 30, 2020

(3) I2C fast mode plus

(TA = –40 to +85°C, 1.6 V

≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V)

Parameter

Symbol

Conditions

HS (high-speed

main) Mode

LS (low-speed

main) Mode

LV (low-voltage

main) Mode

Unit

MIN.

MAX.

MIN.

MAX.

MIN.

MAX.

SCLA0 clock frequency

fSCL

Fast mode plus:

fCLK

≥ 10 MHz

2.7 V

≤ EVDD0 ≤ 5.5 V

1000

–

kHz

Setup time of restart

condition

tSU:STA

2.7 V

≤ EVDD0 ≤ 5.5 V

0.26

–

µs

Hold timeNote 1

tHD:STA

2.7 V

≤ EVDD0 ≤ 5.5 V

0.26

–

µs

Hold time when SCLA0 =

“L”

tLOW

2.7 V

≤ EVDD0 ≤ 5.5 V

0.5

–

µs

Hold time when SCLA0 =

“H”

tHIGH

2.7 V

≤ EVDD0 ≤ 5.5 V

0.26

–

µs

Data setup time

(reception)

tSU:DAT

2.7 V

≤ EVDD0 ≤ 5.5 V

–

µs

Data hold time

(transmission)Note 2

tHD:DAT

2.7 V

≤ EVDD0 ≤ 5.5 V

0.45

–

µs

Setup time of stop

condition

tSU:STO

2.7 V

≤ EVDD0 ≤ 5.5 V

0.26

–

µs

Bus-free time

tBUF

2.7 V

≤ EVDD0 ≤ 5.5 V

0.5

–

µs

Notes 1.

The first clock pulse is generated after this period when the start/restart condition is detected.

The maximum value (MAX.) of tHD:DAT is during normal transfer and a wait state is inserted in the ACK

(acknowledge) timing.

Caution

The values in the above table are applied even when bit 2 (PIOR2) in the peripheral I/O redirection

the redirect destination.

Remark

The maximum value of Cb (communication line capacitance) and the value of Rb (communication line pull-up

resistor) at that time in each mode are as follows.

Fast mode plus: Cb = 120 pF, Rb = 1.1 k

IICA serial transfer timing

tLOW

tBUF

tHIGH

tHD:STA

Stop

condition

Start

condition

Restart

condition

Stop

condition

tSU:DAT

tSU:STA

tSU:STO

tHD:STA

tHD:DAT

SCLAn

SDAAn

Remark

n = 0, 1

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