參數(shù)資料
型號(hào): MC68HC705JB4P
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 60/134頁
文件大小: 1305K
代理商: MC68HC705JB4P
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
INTERRUPTS
MOTOROLA
REV 2
4-1
SECTION 4
INTERRUPTS
The MCU can be interrupted in seven different ways:
Non-maskable Software Interrupt Instruction (SWI)
External Asynchronous Interrupt (IRQ)
External Asynchronous Interrupt (IRQ2)
Optional External Interrupt via IRQ on PA0-PA3 (by a mask option)
USB Interrupt
Timer1 Interrupt (16-bit Timer)
Multi-Function Timer Interrupt
4.1
INTERRUPT VECTORS
Table 4-1. Reset/Interrupt Vector Addresses
Function
Source
Control
Bit
Global
Hardware
Mask
Local
Software
Mask
Priority
(1 = Highest)
Vector
Address
Reset
Power-On Logic
RESET Pin
Low Voltage Reset
Illegal Address Reset
1
$1FFE–$1FFF
COP Watchdog
Software
Interrupt (SWI)
User Code
Same Priority
As Instruction
$1FFC–$1FFD
External
Interrupt (IRQ)
IRQ Pin
IRQ2 Pin
I Bit
IRQE Bit
IRQ2E Bit
2
$1FFA–$1FFB
USB
Interrupts
TXD0F
TXD1F
RESUMP
I Bit
TXD0IE
TXD1IE
3
$1FF8–$1FF9
Timer1
Interrupts
ICF Bit
OCF Bit
TOF Bit
I Bit
ICIE Bit
OCIE Bit
TOIE Bit
4
$1FF6–$1FF7
MFT
Interrupts
TOF Bit
RTIF
I Bit
TOFE Bit
RTIE Bit
5
$1FF4–$1FF5
Reserved
$1FF2–$1FF3
Reserved
$1FF0–$1FF1
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