R5F1211AMSP datasheet(73/85 Pages) RENESAS

73 / 85 page

RL78/G16

3. ELECTRICAL SPECIFICATIONS (TA

= −40 to +105°C, TA = −40 to +125°C)

R01DS0431EJ0130

Rev.1.30

Page 73 of 85

May 19, 2025

3.8

Flash Memory Programming Characteristics

[TA =

−40 to +105°C: G products, TA = −40 to +125°C: M products, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Number of code flash rewrites

Note 1, Note 2

Cerwr

Retained for 20 years

TA = +85°C

Note 3

1000

Times

Number of data flash rewrites

Note 1, Note 2

Retained for 1 year

TA = +25°C

1,000,000

Times

Retained for 5 years

TA = +85°C

Note 3

100,000

Times

Retained for 20 years

TA = +85°C

Note 3

10,000

Times

Note 1.

1 erase + 1 write after the erase is regarded as 1 rewrite. The retaining years are until next rewrite after the

rewrite.

Note 2.

These are the characteristics of the flash memory and the results obtained from reliability testing by Renesas

Electronics.

Note 3.

This temperature is the average value at which data are retained.

Code flash/data flash self-programming time

[TA =

−40 to +105°C: G products, TA = −40 to +125°C: M products, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

fCLK = 1 MHz

fCLK = 16 MHz

Unit

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

Writing (4 bytes)

tP4

104

905

53.8

504.9

µs

Block erasure (1 KB)

tE1K

7.9

262.3

5.5

214.1

Caution

The listed values do not include the time until the operations of the flash memory start following

execution of an instruction by software.

3.9

Dedicated Flash Memory Programmer Communication (UART)

[TA =

−40 to +105°C: G products, TA = −40 to +125°C: M products, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V]

Item

Symbol

Condition

MIN.

TYP.

MAX.

Unit

Transfer rate

115,200

bps

Remark

The transfer rate during flash memory programming is fixed to 115,200 bps.

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