STM8S datasheet(51/467 Pages) STMICROELECTRONICS

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DocID14587 Rev 14

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RM0016

Flash program memory and data EEPROM

4.8

Flash registers

4.8.1

Flash control register 1 (FLASH_CR1)

Address offset: 0x00

Reset value: 0x00

654

3210

Reserved

HALT

AHALT

FIX

rrw

Bits 7:4 Reserved

Bit 3 HALT: Power-down in Halt mode

This bit is set and cleared by software.

0: Flash in power-down mode when MCU is in Halt mode

1: Flash in operating mode when MCU is in Halt mode

Bit 2 AHALT: Power-down in Active-halt mode

This bit is set and cleared by software.

0: Flash in operating mode when MCU is in Active-halt mode

1: Flash in power-down when MCU is in Active-halt mode

Bit 1 IE: Flash Interrupt enable

This bit is set and cleared by software.

0: Interrupt disabled

1: Interrupt enabled. An interrupt is generated if the EOP or WR_PG_DIS flag in the

FLASH_IAPSR register is set.

Bit 0 FIX: Fixed Byte programming time

This bit is set and cleared by software.

0: Standard programming time of (1/2 tprog) if the memory is already erased and tprog

otherwise.

1: Programming time fixed at tprog.

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