參數(shù)資料
型號: MC68HC05L25PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 69/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
23
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 Figure 2-1.
Figure 2-1. MC68HC05L25 Single-Chip Mode Memory Map
USER RAM
176 BYTES
0255
0256
0064
0063
0192
0191
8191
8176
8175
0000
7936
7935
0080
0079
$0100
$00FF
$00C0
$00BF
$0040
$003F
USER VECTORS
16 BYTES
1792
1791
STACK
64
BYTES
RESET VECTOR (LOW BYTE)
RESET VECTOR (HIGH BYTE)
SWI VECTOR (LOW BYTE)
SWI VECTOR (HIGH BYTE)
IRQ VECTOR (LOW BYTE)
IRQ VECTOR (HIGH BYTE)
KEY WAKEUP VECTOR (LOW BYTE)
KEY WAKEUP VECTOR (HIGH BYTE)
$1FF7
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
RESERVED
$003F
$0000
I/O
64 BYTES
$1FFF
$1FF0
$1FEF
$0700
$06FF
$0000
USER ROM
6144 BYTES
I/O REGISTERS
48 BYTES
UNIMPLEMENTED
1536 BYTES
TEST ROM AND VECTORS
240 BYTES
$1FF6
RESERVED
$1FF3
SPI VECTOR (LOW BYTE)
$1FF4
EVENT CNTR VECTOR (HIGH BYTE)
$1FF5
EVENT CNTR VECTOR (LOW BYTE)
$1FF2
SPI VECTOR (HIGH BYTE)
$1FF1
TIME BASE VECTOR (LOW BYTE)
$1FF0
TIME BASE VECTOR (HIGH BYTE)
$1F00
$1EFF
DUAL MAPPED
I/O REGISTERS
16 BYTES
$0010
$000F
$0050
$004F
UNIMPLEMENTED
16 BYTES
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