MC908QT4MPE datasheet(26/184 Pages) FREESCALE

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Memory

MC68HC908QY/QT Family Data Sheet, Rev. 5

Freescale Semiconductor

$0000

↓

$003F

I/O REGISTERS

64 BYTES

Note 1.

Attempts to execute code from addresses in this

range will generate an illegal address reset.

$0040

↓

$007F

RESERVED(1)

64 BYTES

$0080

↓

$00FF

RAM

128 BYTES

$0100

↓

$27FF

UNIMPLEMENTED(1)

9984 BYTES

$2800

↓

$2DFF

AUXILIARY ROM

1536 BYTES

$2E00

↓

$EDFF

UNIMPLEMENTED(1)

49152 BYTES

UNIMPLEMENTED

51712 BYTES

$2E00

↓

$F7FF

$EE00

↓

$FDFF

FLASH MEMORY

MC68HC908QT4 AND MC68HC908QY4

4096 BYTES

FLASH MEMORY

1536 BYTES

$F800

↓

$FDFF

$FE00

BREAK STATUS REGISTER (BSR)

MC68HC908QT1, MC68HC908QT2,

MC68HC908QY1, and MC68HC908QY2

Memory Map

$FE01

RESET STATUS REGISTER (SRSR)

$FE02

BREAK AUXILIARY REGISTER (BRKAR)

$FE03

BREAK FLAG CONTROL REGISTER (BFCR)

$FE04

INTERRUPT STATUS REGISTER 1 (INT1)

$FE05

INTERRUPT STATUS REGISTER 2 (INT2)

$FE06

INTERRUPT STATUS REGISTER 3 (INT3)

$FE07

RESERVED FOR FLASH TEST CONTROL REGISTER (FLTCR)

$FE08

FLASH CONTROL REGISTER (FLCR)

$FE09

BREAK ADDRESS HIGH REGISTER (BRKH)

$FE0A

BREAK ADDRESS LOW REGISTER (BRKL)

$FE0B

BREAK STATUS AND CONTROL REGISTER (BRKSCR)

$FE0C

LVISR

$FE0D

↓

$FE0F

RESERVED FOR FLASH TEST

3 BYTES

$FE10

↓

$FFAF

MONITOR ROM 416 BYTES

$FFB0

↓

$FFBD

FLASH

14 BYTES

$FFBE

FLASH BLOCK PROTECT REGISTER (FLBPR)

$FFBF

RESERVED FLASH

$FFC0

INTERNAL OSCILLATOR TRIM VALUE

$FFC1

RESERVED FLASH

$FFC2

↓

$FFCF

FLASH

14 BYTES

$FFD0

↓

$FFFF

USER VECTORS

48 BYTES

Figure 2-1. Memory Map

MC908QT4MPE Datasheet(PDF) 26 Page - Freescale Semiconductor, Inc

MC908QT4MPE Datasheet(HTML) 26 Page - Freescale Semiconductor, Inc

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