mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 23

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 2
Memory Map
2.1 Introduction
When the MC68HC05L25 is in the single-chip mode, 80 bytes of input/output (I/O) registers, 176 bytes of
user RAM (including a 64-byte stack), 6144 bytes of user ROM, and 16 bytes of user vectors are available
in the 8-K memory map as shown in
Freescale Semiconductor
$00BF
$00C0
$1EFF
$1FEF
$1FFF
$00FF
$06FF
$1FF0
$0000
$003F
$0040
$004F
$0050
$0100
$0700
$1F00
TEST ROM AND VECTORS
UNIMPLEMENTED
UNIMPLEMENTED
USER VECTORS
USER RAM
176 BYTES
1536 BYTES
6144 BYTES
240 BYTES
USER ROM
64 BYTES
16 BYTES
16 BYTES
Figure 2-1. MC68HC05L25 Single-Chip Mode Memory Map
I/O
STACK
64
BYTES
0000
0063
0064
0079
0080
0191
0192
0255
0256
1791
1792
7935
7936
8175
8176
8191
MC68HC05L25 Data Sheet, Rev. 3.1
Figure
2-1.
KEY WAKEUP VECTOR (HIGH BYTE)
EVENT CNTR VECTOR (HIGH BYTE)
KEY WAKEUP VECTOR (LOW BYTE)
EVENT CNTR VECTOR (LOW BYTE)
TIME BASE VECTOR (HIGH BYTE)
TIME BASE VECTOR (LOW BYTE)
RESET VECTOR (HIGH BYTE)
RESET VECTOR (LOW BYTE)
SWI VECTOR (HIGH BYTE)
IRQ VECTOR (HIGH BYTE)
IRQ VECTOR (LOW BYTE)
SWI VECTOR (LOW BYTE)
SPI VECTOR (HIGH BYTE)
SPI VECTOR (LOW BYTE)
I/O REGISTERS
I/O REGISTERS
DUAL MAPPED
Figure
Figure
RESERVED
RESERVED
16 BYTES
48 BYTES
2-2.)
2-2.)
$0000
$000F
$0010
$003F
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
$1FF0
$1FF1
$1FF2
$1FF3
$1FF4
$1FF5
$1FF6
$1FF7
$1FF8
$1FF9
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