R7FA6T2AB3CFP datasheet(56/93 Pages) RENESAS

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Table 2.30

IIC timing (1)-2

(1) Conditions: Middle drive output is selected in the Port Drive Capability bit in the PmnPFS register for the following pins: SDA0_B,

SCL0_B, SDA1_B, SCL1_B, SCL0_C, SDA0_C, SCL0_D, SDA0_D, SCL0_E, SDA0_E, SCL0_F, SDA0_F, SCL1_C, SDA1_C, SCL1_D,

SDA1_D, SCL1_E, SDA1_E.

(2) The following pins do not require setting: SCL0_A, SDA0_A, SCL1_A, SDA1_A.

(3) Use pins that have a letter appended to their names, for instance _A or _B or _C or _D or _E or _F, to indicate group membership. For

the IIC interface, the AC portion of the electrical characteristics is measured for each group.

Parameter

Symbol

Min

Max

Unit

Test conditions

IIC

(Fast-mode)

SCL input cycle time

tSCL

10 (18) × tIICcyc +

600

—

Figure 2.47

SCL input high pulse width

tSCLH

5 (9) × tIICcyc

—

SCL input low pulse width

tSCLL

5 (9) × tIICcyc

—

SCL, SDA rise time

tSr

20 × (external

pullup voltage/

5.5V)*1

300

SCL, SDA fall time

tSf

20 × (external

pullup voltage/

5.5V)*1

300

SCL, SDA input spike pulse

removal time

tSP

1 (4) × tIICcyc

SDA input bus free time

tBUF

5 (9) × tIICcyc + 300 —

START condition input hold time

tSTAH

tIICcyc + 300

—

Repeated START condition input

setup time

tSTAS

300

—

STOP condition input setup time

tSTOS

300

—

Data input setup time

tSDAS

tIICcyc + 50

—

Data input hold time

tSDAH

—

SCL, SDA capacitive load

Cb*2

—

400

Note:

tIICcyc: IIC internal reference clock (IICφ) cycle.

Note:

Values in parentheses apply when INCTL.DNFS[3:0] is set to 0011b while the digital filter is enabled with INCTL.DNFE set to 1.

Note:

Must use pins that have a letter appended to their name, for instance _A, _B, to indicate group membership. For the IIC interface,

the AC portion of the electrical characteristics is measured for each group.

Note 1. Only supported for SCL0_A, SDA0_A, SCL1_A, and SDA1_A. Other ports are depend on DC characteristics.

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

RA6T2 Datasheet

2. Electrical Characteristics

R01DS0400EJ0120 Rev.1.20

Mar 31, 2022

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