RA4L1 datasheet(72/125 Pages) RENESAS

72 / 125 page

Note:

tI3Ccyc: I3C internal reference clock (I3Cφ) cycle, tTcyc: I3CCLK cycle.

Note 1. Values in parentheses apply when INCTL.DNFS[3:0] is set to 0x3 while the digital filter is enabled with INCTL.DNFE set to 1.

Note 2. Cb indicates the total capacity of the bus line.

Table 2.44

IIC timing (Fast-mode+)

Conditions: VCC = AVCC0 = 2.7 to 3.6 V

Parameter

Symbol

Min*1

Max*1

Unit

IIC (Fast-mode+)

BFCTL.FMPE = 1

SCL input cycle time

tSCL

10(18) × tI3Ccyc + 240

—

SCL input high pulse width

tSCLH

5(9) × tI3Ccyc + 120

—

SCL input low pulse width

tSCLL

5(9) × tI3Ccyc + 120

—

SCL, SDA rise time

tSr

—

120

SCL, SDA fall time

tSf

—

120

SCL, SDA input spike pulse removal

time

tSP

1(4) × tI3Ccyc

SDA input bus free time when wakeup

function is disabled

tBUF

5(9) × tI3Ccyc + 120

—

SDA input bus free time when wakeup

function is enabled

tBUF

5(9) × tI3Ccyc + 4 × tTcyc + 120 —

START condition input hold time when

wakeup function is disabled

tSTAH

tI3Ccyc + 120

—

START condition input hold time when

wakeup function is enabled

tSTAH

1(5) × tI3Ccyc + tTcyc + 120

—

Restart condition input setup time

tSTAS

120

—

Stop condition input setup time

tSTOS

120

—

Data input setup time

tSDAS

tI3Ccyc + 30

—

Data input hold time

tSDAH

—

SCL, SDA capacitive load

Cb*2

—

550

Note:

tI3Ccyc: I3C internal reference clock (I3Cφ) cycle, tTcyc: I3CCLK cycle.

Note 1. Values in parentheses apply when INCTL.DNFS[3:0] is set to 0x3 while the digital filter is enabled with INCTL.DNFE set to 1.

Note 2. Cb indicates the total capacity of the bus line.

I3C_SDA0

I3C_SCL0

VIH

VIL

tSTAH

tSCLH

tSCLL

P*1

S*1

tSf

tSr

tSCL

tSDAH

tSDAS

tSTAS

tSP

tSTOS

P*1

tBUF

Sr*1

Note 1. S, P, and Sr indicate the following conditions:

S: Start condition

P: Stop condition

Sr: Restart condition

Figure 2.41

I2C bus interface input/output timing

RA4L1 Datasheet

2. Electrical Characteristics

R01DS0447EJ0131 Rev.1.31

May 26, 2026

Page 72 of 125

RA4L1 Folha de dados(PDF) 72 Page - Renesas Technology Corp

RA4L1 Folha de dados(HTML) 72 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Folha de dados Download

Ligação URL