参数资料
型号: MC68HC705J2CP
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封装: PLASTIC, DIP-20
文件页数: 48/82页
文件大小: 2545K
代理商: MC68HC705J2CP
MC68HC05J1 EMULATION MODE
9-2
Rev. 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
9.3 Memory Map
Figure 9-1 shows the 2 Kbyte MC68HC05J1 emulation mode memory map.
Figure 9-1. MC68HC05J1 Emulation Mode Memory Map
PORT A DATA REGISTER
TIMER INTERRUPT VECTOR (HIGH)
TIMER INTERRUPT VECTOR (LOW)
EXTERNAL INTERRUPT VECTOR (HIGH)
EXTERNAL INTERRUPT VECTOR (LOW)
SOFTWARE INTERRUPT VECTOR (HIGH)
SOFTWARE INTERRUPT VECTOR (LOW)
RESET VECTOR (HIGH)
RESET VECTOR (LOW)
$001C
$001B
$0009
$0008
$0007
$0006
$0005
$0004
$0003
$0002
$0001
$0000
$07F7
$07F8
$07F9
$07FA
$07FB
$07FC
$07FD
$07FE
$07FF
PORT B DATA REGISTER
PORT A DATA DIRECTION REGISTER
PORT B DATA DIRECTION REGISTER
UNUSED
EPROM PROGRAMMING REGISTER
COP REGISTER
$07F0
UNUSED
160 BYTES
$0000
$001F
$07FF
I/O REGISTERS
32 BYTES
USER VECTORS
(EPROM)
16 BYTES
BOOTLOADER ROM
239 BYTES
$07EF
$02FF
UNUSED
512 BYTES
UNUSED
TIMER COUNTER REGISTER
TIMER CONTROL & STATUS REGISTER
$000A
UNUSED
$0300
$00BF
$00C0
$0020
$00FF
$0100
$07F0
USER EPROM
1024 BYTES
USER
EPROM
8 BYTES
$06FF
$0700
$0701
MASK OPTION REGISTER
STACK RAM
64 BYTES
UNUSED
RESERVED
$001D
$001E
$001F
*
*WRITING 0 TO BIT 0 OF $07F0 CLEARS
COP TIMER. READING $07F0 RETURNS
USER EPROM DATA.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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