R7KA8M2AFDCAM datasheet(168/295 Pages) RENESAS

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Table 2.63

SPI timing (5 of 5)

Conditions:

1. High-speed high drive output is selected in the Port Drive Capability bit in the PmnPFS register for the following pins:

RSPCLKA_B, RSPCLKB_B.

For other pins, high drive output is selected in the Port Drive Capability bit in the PmnPFS register.

2. Use pins that have a letter appended to their names, for instance “_A” or “_B” to indicate group membership.

3. Load capacitance C = 15pF is applied to the VCC/VCC2 condition “3.00 V or above”.

Parameter

High Speed/

Default

VCC/VCC2

Symbol

Min

Max

Unit

Note

Successive

transmission

delay time

Master

—

3.00 V or above

tTD

tSPcyc + 2 × tTcyc

8 × tSPcyc

+ 2 × tTcyc

Figure 2.76,

Figure 2.77

—

2.70 V or above

tSPcyc + 2 × tTcyc

8 × tSPcyc

+ 2 × tTcyc

—

1.62 V or above

tSPcyc + 2 × tTcyc

8 × tSPcyc

+ 2 × tTcyc

Slave

—

3.00 V or above

tTcyc

—

2.70 V or above

tTcyc

—

1.62 V or above

tTcyc

—

MOSI and

MISO rise

and fall time

Output

—

3.00 V or above

tDr, tDf

—

1.66

—

2.70 V or above

—

3.30

—

1.62V or above

—

6.60

Input

—

3.00 V or above

—

1.0

μs

—

2.70 V or above

—

1.0

—

1.62 V or above

—

1.0

SSL rise and

fall time

Output

—

3.00- V or above tSSLr,

tSSLf

—

1.66

—

2.70 V or above

—

3.30

—

1.62 V or above

—

6.60

Input

—

3.00 V or above

—

1.0

μs

—

2.70 V or above

—

1.0

—

1.62 V or above

—

1.0

Slave access

time

Slave

—

3.00 V or above

tSA

—

20.0

Figure 2.79,

Figure 2.80

—

2.70 V or above

—

20.0

—

1.62 V or above

—

25.0

Slave output

release time

Slave

—

3.00 V or above

tREL

—

20.0

—

2.70 V or above

—

20.0

—

1.62 V or above

—

25.0

Note:

tTcyc: TCLK cycle.

Note 1. Must use pins that have a letter appended to their name, for instance _A, _B, to indicate group membership. SPI0 and SPI1 are

instance _B.

Note 2. All pins of group membership can be used.

Note 3. 1 µs at the longest

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 168 of 295

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