R7KA8M2AFDCAM datasheet(267/295 Pages) RENESAS

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tPCFG (Typ) = 6.146/FMRPCLK + 0.3133 [msec], tPCFG (Max) = 266.5/FMRPCLK + 6.331 [msec] for normal program mode.

tPCFG (Typ) = 5.184/FMRPCLK + 0.02754 [msec], tPCFG (Max) = 267.5/FMRPCLK + 6.025 [msec] for high speed program mode.

Note 6. Read and program operations for the extra MRAM cannot be executed simultaneously. This value is for independent program

operation without arbitration between read and program.

Note 7. The update cycle is the number of a configuration set command that can be issued configuration area. Programming the same data

to the same address also increases the update cycle count by one.

2.15.3

Option Setting Memory (OTP area with ECC) Characteristics

Table 2.118

Option setting memory (OTP area with ECC) characteristics

Parameter

MRPCLK = 125

MHz

MRPCLK = 100

MHz

MRPCLK = 75

MHz

MRPCLK = 66

MHz

Min

Typ

Max Min

Typ

Max Min

Typ

Max Min

Typ

Max

Programming

time of 16-

byte*3 *4

Normal

speed

write

mode

(MWMCR.

MWM[1:0]

= 00)

tOTP

—

8.05

113

—

8.05

113

—

8.05

113

—

8.05

113

—

High

speed

write

mode 0

(MWMCR.

MWM[1:0]

= 01)

—

4.03

56.7 —

4.03

56.7 —

4.03

56.7 —

4.03

56.7 ms

—

High

speed

write

mode 1

(MWMCR.

MWM[1:0]

= 10)

—

0.22

9*2

3.14 —

0.22

9*2

3.14 —

0.22

9*2

3.14 —

0.22

9*2

3.14 ms

—

Note 1. The reference value at VCC = 3.3 V and room temperature.

Note 2. Perform rewrite 50% of bits at Typ. condition.

Note 3. To calculate the updating time at other frequencies, using approximate formula below listed. (FMRPCLK: frequency of MRPCLK

[MHz])

tOTPE (Typ) = 0.5065/FMRPCLK + 8.123 [ms], tOTPE (Max) = 4.433/FMRPCLK + 114.1 [ms] for normal speed mode.

tOTPE (Typ) = 0.3389/FMRPCLK + 4.067 [ms], tOTPE (Max) = 2.428/FMRPCLK + 57.08 [ms] for high speed mode 0.

tOTPE (Typ) = 0.1458/FMRPCLK + 0.2312 [ms], tOTPE (Max) = 0.3904/FMRPCLK + 3.166 [ms] for high speed mode 1.

Note 4. Read and program operations for the extra MRAM cannot be executed simultaneously. This value is for independent program

operation without arbitration between read and program.

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 267 of 295

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