AN4654 datasheet(19/32 Pages) STMICROELECTRONICS

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AN4654

Peripheral migration

3.10

Flash interface

Table 9 presents the difference between the Flash interface of STM32L1 series and

STM32L0 series (in this table, NA means that the feature is not available).

and

TIM2

TIM3

16-bit

Up, down,

up/down

Any integer

between

1 and 65536

Yes

TIM6

TIM7

16-bit

Any integer

between

1 and 65536

Yes

Table 8. Timers configuration for STM32L0 and STM32L1 series (continued)

Series

Timer

Counter

resolution

Counter

type

Prescaler

factor

DMA request

generation

Capture/compare

channels

Complementary

outputs

Table 9. Flash differences between STM32L1 series and STM32L0 series(1)

FLASH

STM32L1 series

STM32L0 series

Main/Program

memory

Start Address

0x0800 0000

End Address

Up to 0x0807 FFFF

Up to 0x0802 FFFF

Granularity

Page of 256 bytes size

Page of 128 bytes size

EEPROM

memory

Start Address

0x0808 0000

End Address

Up to 0x0808 3FFF

Up to 0x0808 17FF

System memory

Start Address

0x1FF0 0000

End Address

0x1FF0 0FFF

Option Bytes

Start Address

0x1FF8 0000

End Address

0x1FF8 00FF

0x1FF8 007F

Read Protection

Unprotection

Level 0 no protection

RDP = 0xAA

Level 0 no protection

RDP = 0xAA

Protection

Level 1 memory protection

RDP ! = (Level 2 & Level 0)

Level 2 memory protection

RDP = 0xCC(3)

Level 1 memory protection

RDP != (Level 2 & Level 0)

Level 2: Lvl 1 +Debug disabled

RDP = 0xCC

PCROP protection

Write protection

Protection by 4 Kbytes

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