參數(shù)資料
型號： MC68HC05V7FN
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 92/170頁
文件大小： 589K
代理商： MC68HC05V7FN
MOTOROLA
SECTION 2: MEMORY MAP
Page 14
MC68HC05V7 Specification Rev. 1.0
Figure 2-3, Figure 2-4, Figure 2-5 and Figure 2-6. Reading from unimplemented bits will
return unknown states, and writing to unimplemented bits will be ignored.
Figure 2-2:
MC68HC05V7 I/O Registers Memory Map
2.3
RAM
The total RAM consists of 384 bytes (including the stack). The stack begins at address
$00FF and proceeds down to $00C0 (64 bytes). Using the stack area for data storage or
temporary work locations requires care to prevent it from being overwritten due to stacking
from an interrupt or subroutine call.
Port A Data Register
Port B Data Register
Port A Data Direction Register
Port B Data Direction Register
16-Bit Timer Status Register
EEPROM Program Register
A/D Data Register
A/D Status & Control Register
$0000
Port C Data Register
Port C Data Direction Register
Alt. Count Register (low)
Alt. Count Register (high)
16 Bit Timer Count Register (low)
16 Bit Timer Count Register (high)
Output Compare Register (low)
Output Compare Register (high)
Input Capture Register (low)
Input Capture Register (high)
16-Bit Timer Control Register
MDLC Rx Status Register
MDLC Tx Control Register
MDLC Status Register
MDLC Control Register
SPI Status Register
SPI Control Register
SPI Data Register
Port D Data Register
Reserved
Unused
Port E Data Register
PWM Data Register
Miscellaneous Register
MDLC Tx Data Register 0
MDLC Tx Data Register 1
MDLC Tx Data Register 2
MDLC Tx Data Register 3
MDLC Tx Data Register 4
MDLC Tx Data Register 5
MDLC Tx Data Register 6
MDLC Tx Data Register 7
MDLC Tx Data Register 8
MDLC Tx Data Register 9
MDLC Tx Data Register 10
MDLC Rx Data Register 0
MDLC Rx Data Register 1
MDLC Rx Data Register 2
MDLC Rx Data Register 3
MDLC Rx Data Register 4
MDLC Rx Data Register 5
MDLC Rx Data Register 6
MDLC Rx Data Register 7
MDLC Rx Data Register 8
MDLC Rx Data Register 9
MDLC Rx Data Register10
IRQ Control and Status Register
Port F Data Register
Port F Data Direction Register
Unused
8-Bit Timer Status & Control
Unused
PWM Control Register
Unused
8-Bit Timer Counter Register
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
$0010
$0011
$0012
$0013
$0014
$0015
$0016
$0017
$0018
$0019
$001A
$001B
$001C
$001D
$001E
$001F
$0020
$0021
$0022
$0023
$0024
$0025
$0026
$0027
$0028
$0029
$002A
$002B
$002C
$002D
$002E
$002F
$0030
$0031
$0032
$0033
$0034
$0035
$0036
$0037
$0038
$0039
$003A
$003B
$003C
$003D
$003E
$003F
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