AN2295 Freescale Semiconductor / Motorola, AN2295 Datasheet - Page 15

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AN2295

Manufacturer Part Number
AN2295
Description
Developers Serial Bootloader for M68HC08 and HCS08 MCUs
Manufacturer
Freescale Semiconductor / Motorola
Datasheet
Figure 15
vector table, each record is 2 bytes long (each vector is a 16-bit address). This is different from the
bootloader user table, for which each record is 3 bytes long — a JMP opcode ($CC) plus a 16-bit address.
Freescale Semiconductor
shows interrupt vector table relocation for M68HC08 MCUs. Note that in a standard interrupt
BOOTLOADER USER TABLE
JMP USER INT. VECT. 17
JMP USER INT. VECT. 16
JMP USER INT. VECT. 3
JMP USER INT. VECT. 2
JMP USER INT. VECT. 1
JMP USER RESET VECTOR
BOOTLOADER DATA
INTERRUPT VECTOR TABLE
RESET VECTOR
INTERRUPT VECTOR 1
INTERRUPT VECTOR 2
INTERRUPT VECTOR 3
INTERRUPT VECTOR 16
INTERRUPT VECTOR 17
Figure 15. Interrupt Vector Table Relocation (M68HC08 MCUs)
...
Developer’s Serial Bootloader for M68HC08 and HCS08 MCUs, Rev. 6
...
0xFFFE
0xFFEC
0xFFEA
0xFFE8
0xFFE0
0xFFDE
0xFFDC
0xFCC0
0xFCBB
0xFCB8
0xFC84
0xFC81
0xFC8E
0xFC8B
0xFC88
0xFC80
FC Protocol, Version 1, M68HC908 Implementation
BOOTLOADER CODE
START
USER CODE
START (RESET)
INTERRUPT ROUTINE 1
INTERRUPT ROUTINE 2
INTERRUPT ROUTINE 16
INTERRUPT ROUTINE 17
...
EXIT
0xFE00
0xFD00
15

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