參數(shù)資料
型號: MC68HC05JB3JP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 33/148頁
文件大?。?/td> 1600K
代理商: MC68HC05JB3JP
GENERAL RELEASE SPECIFICATION
November 5, 1998
MOTOROLA
MC68HC05JB3
A-2
REV 1
PULLREN – Port A, B, and C Pull-up/down Option
1 =
Connected.
0 =
Disconnected
PAINTEN – PA0-PA3 External Interrupt Option
1 =
External interrupt capability on PA0-PA3 disabled.
0 =
External interrupt capability on PA0-PA3 enabled.
OSCDLY – Oscillator Delay Option
1 =
224 internal clock cycles.
0 =
4064 internal clock cycles.
LVREN – LVR Option
1 =
Low Voltage Reset circuit enabled.
0 =
Low Voltage Reset circuit disabled.
Figure A-1. MC68HC705JB3 Memory Map
$003F
$0000
I/O Registers
64 Bytes
EPROM Program Control Register
$003E
$1FF7
$1FF8
$1FF9
$1FFA
$1FFB
$1FFC
$1FFD
$1FFE
$1FFF
$1FF6
$1FF3
$1FF4
$1FF5
$1FF2
$1FF1
Reserved
USB Vector (Low Byte)
Timer1 Vector (Low Byte)
USB Vector (High Byte)
Timer1 Vector (High Byte)
MFT Vector (Low Byte)
MFT Vector (High Byte)
Reserved
$1FF0
Reserved
IRQ Vector (High Byte)
IRQ Vector (Low Byte)
SWI Vector (High Byte)
SWI Vector (Low Byte)
Reset Vector (High Byte)
Reset Vector (Low Byte)
I/O Registers
64 Bytes
$0000
$003F
$0040
$006F
Unused
48 Bytes
User RAM
144 Bytes
64 Byte Stack
$0070
$00C0
$00FF
$13FF
Unused
4608 Bytes
$1400
$1DFF
$1E00
$1FEF
User EPROM
2560 Bytes
Bootloader ROM
496 Bytes
User Vectors
16 Bytes
$1FF0
$1FFF
Mask Option Register
$01FF
Unused: 256 Bytes
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