AT89C5132-ROTIL datasheet(21/182 Pages) ATMEL

21 / 182 page

4173E–USB–09/07

AT89C5132

Reset Value = XXUU UXXX, UUUU UUUU after an hardware full chip erase.

Note:

1. X2B initializes the X2 bit in CKCON during the reset phase.

2. In order to ensure boot loader activation at first power-up, AT89C5132 products are delivered

with BLJB programmed.

3. Bits 0 to 3 (LSN) can only be programmed by hardware mode.

Table 8. SBV Byte – Software Boot Vector

Reset Value = XXXX XXXX, UUUU UUUU after an hardware full chip erase.

Table 9. SSB Byte – Software Security Byte

Reset Value = XXXX XXXX, UUUU UUUU after an hardware full chip erase.

2 - 0

LB2:0

Hardware Lock Bits

Refer to for bits description.

ADD15

ADD14

ADD13

ADD12

ADD11

ADD10

ADD9

ADD8

Bit Number

Bit

Mnemonic

Description

7 - 0

ADD15:8

MSB of the user’s bootloader 16-bit address location

Refer to the bootloader datasheet for usage information (bootloader dependent).

SSB7

SSB6

SSB5

SSB4

SSB3

SSB2

SSB1

SSB0

Bit Number

Bit

Mnemonic

Description

7 - 0

SSB7:0

Software Security Byte Data

Refer to the bootloader datasheet for usage information (bootloader dependent).

Bit Number

Bit

Mnemonic

Description

AT89C5132-ROTIL Datasheet(PDF) 21 Page - ATMEL Corporation

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