R7FA2L1AB2DFN datasheet(79/110 Pages) RENESAS

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Table 2.56

Data flash characteristics (2) (2 of 2)

High-speed operating mode

Conditions: VCC = AVCC0 = 1.8 to 5.5 V

Parameter

Symbol

ICLK = 4 MHz

ICLK = 48 MHz

Unit

Min

Typ

Max

Min

Typ

Max

Data flash STOP recovery time

tDSTOP

250

—

250

—

Note:

Does not include the time until each operation of the flash memory is started after instructions are executed by software.

Note:

The lower-limit frequency of ICLK is 1 MHz during programming or erasing the flash memory. When using ICLK at below 4 MHz, the

frequency can be set to 1 MHz, 2 MHz, or 3 MHz. A non-integer frequency such as 1.5 MHz cannot be set.

Note:

The frequency accuracy of ICLK must be ± 1.0% during programming or erasing the flash memory. Confirm the frequency accuracy

of the clock source.

Table 2.57

Data flash characteristics (3)

Middle-speed operating mode

Conditions: VCC = AVCC0 = 1.6 to 5.5 V, Ta = -40 to +85°C

Parameter

Symbol

ICLK = 4 MHz

ICLK = 8 MHz*1

Unit

Min

Typ

Max

Min

Typ

Max

Programming time

1-byte

tDP1

—

404

—

356

µs

Erasure time

1-KB

tDE1K

—

8.8

280

—

7.3

248

Blank check time

1-byte

tDBC1

—

15.2

—

11.3

µs

1-KB

tDBC1K

—

1.84

—

1.06

Suspended time during erasing

tDSED

—

13.2

—

11.7

µs

Data flash STOP recovery time

tDSTOP

250

—

250

—

Note:

Does not include the time until each operation of the flash memory is started after instructions are executed by software.

Note:

The lower-limit frequency of ICLK is 1 MHz during programming or erasing the flash memory. When using ICLK at below 4 MHz, the

frequency can be set to 1 MHz, 2 MHz, or 3 MHz. A non-integer frequency such as 1.5 MHz cannot be set.

Note:

The frequency accuracy of ICLK must be ± 1.0% during programming or erasing the flash memory. Confirm the frequency accuracy

of the clock source.

Note 1. When 1.8 V ≤ VCC = AVCC0 ≤ 5.5 V

Table 2.58

Data flash characteristics (4)

Low-speed operating mode

Conditions: VCC = AVCC0 = 1.6 to 5.5 V, Ta = -40 to +85°C

Parameter

Symbol

ICLK = 1 MHz

ICLK = 2 MHz

Unit

Min

Typ

Max

Min

Typ

Max

Programming time

1-byte

tDP1

—

732

—

502

µs

Erasure time

1-KB

tDE1K

—

19.7

504

—

12.4

354

Blank check time

1-byte

tDBC1

—

46.5

—

23.3

µs

1-KB

tDBC1K

—

7.3

—

3.66

Suspended time during erasing

tDSED

—

22.3

—

16.2

µs

Data flash STOP recovery time

tDSTOP

250

—

250

—

Note:

Does not include the time until each operation of the flash memory is started after instructions are executed by software.

Note:

The lower-limit frequency of ICLK is 1 MHz during programming or erasing the flash memory. When using ICLK at below 2 MHz, the

frequency can be set to 1 MHz or 2 MHz. A non-integer frequency such as 1.5 MHz cannot be set.

Note:

The frequency accuracy of ICLK must be ± 1.0% during programming or erasing the flash memory. Confirm the frequency accuracy

of the clock source.

RA2L1 Datasheet

2. Electrical Characteristics

R01DS0385EJ0100 Rev.1.00

Aug 06, 2020

Page 79 of 110

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