参数资料
型号: MC68HC05V7FN
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 91/170页
文件大小: 589K
代理商: MC68HC05V7FN
SECTION 2: MEMORY MAP
MOTOROLA
Page 13
MC68HC05V7 Specification Rev. 1.0
SECTION 2
MEMORY MAP
2.1
SINGLE-CHIP MODE MEMORY MAP
When the MC68HC05V7 is in the Single-Chip Mode the I/O and peripherals, user RAM,
EEPROM and user ROM are all active as shown in Figure 2-1.
Figure 2-1:
MC68HC05V7 Single-Chip Mode Memory Map
2.2
I/O AND CONTROL REGISTERS
The I/O and Control Registers reside in locations $0000-$003F. The overall organization of
these registers is shown in Figure 2-2. The bit assignments for each register are shown in
0704
0703
User Vectors ROM
16 Bytes
Selfcheck/E2test
ROM 512 Byes
16383
16368
16367
Stack
(64 Bytes)
User RAM
192 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)
16-Bit Timer Vector (Low Byte)
16-Bit Timer Vector (High Byte)
$3FF7
$3FF8
$3FF9
$3FFA
$3FFB
$3FFC
$3FFD
$3FFE
$3FFF
MDLC (Low Byte)
$003F
$0000
$00C0
$00BF
0191
0192
I/O
64 Bytes
0064
0063
0000
$3FFF
$3FF0
$3FEF
$0040
$003F
$0000
User ROM
10208 Bytes
I/O
Registers
64 bytes
(see
2)
$3FF6
MDLC (High Byte)
$3FF3
8-Bit Timer (Low Byte)
$3FF4
SPI (High Byte)
$3FF5
SPI (Low Byte)
$3FF2
8-Bit Timer (High Byte)
$3FF1
unused
$3FF0
COP Watchdog Timer
$1600
$15FF
User EEPROM
128 Bytes
5632
5631
Unused
4928 Bytes
$02C0
$02BF
$0240
$023F
0575
0576
User RAM
(128 Bytes)
Unused
128 Bytes
$01BF
$01C0
0447
0448
$00FF
$0100
0255
0256
16352
16351
$3FE0
$3FDF
Selfcheck Vectors
ROM 16 Bytes
$17FF
$1800
6143
6144
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