- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄45223 > MC68HC05RC8FN (FREESCALE SEMICONDUCTOR INC) 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44 PDF資料下載
參數(shù)資料
| 型號： | MC68HC05RC8FN |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 55/122頁 |
| 文件大?。?/td> | 2962K |
| 代理商： | MC68HC05RC8FN |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁當前第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁
Interrupts
General Release Specification
MC68HC05RC16 — Rev. 3.0
Interrupts
4.3 CPU Interrupt Processing
Interrupts cause the processor to save register contents on the stack
and to set the interrupt mask (I bit) to prevent additional interrupts. Unlike
reset, hardware interrupts do not cause the current instruction execution
to be halted, but are considered pending until the current instruction is
complete.
If interrupts are not masked (I bit in the CCR is clear) and the
corresponding interrupt enable bit is set, the processor will proceed with
interrupt processing. Otherwise, the next instruction is fetched and
executed. If an interrupt occurs, the processor completes the current
instruction, stacks the current CPU register state, sets the I bit to inhibit
further interrupts, and finally checks the pending hardware interrupts. If
more than one interrupt is pending after the stacking operation, the
interrupt with the highest vector location shown in Table 4-1 will be
serviced first. The SWI is executed the same as any other instruction,
regardless of the I-bit state.
When an interrupt is to be processed, the CPU fetches the address of
the appropriate interrupt software service routine from the vector table at
locations $3FF6–$3FFF as defined in Table 4-1.
Table 4-1. Vector Address for Interrupts and Reset
Register
Flag Name
Interrupt
CPU
Interrupt
Vector Address
N/A
Reset
RESET
$3FFE–$3FFF
N/A
Software Interrupt
SWI
$3FFC–$3FFD
N/A
External Interrupts*
IRQ
$3FFA–$3FFB
MCSR
EOC
End of Cycle
Interrupt
CMT
$3FF8–$3FF9
CTCSR
CTOF,
RTIF
Real-Time Interrupt
Core Timer
Overow
CORE
TIMER
$3FF6–$3FF7
*External interrupts include IRQ and port B keyscan sources.
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.
相關PDF資料 |
PDF描述 |
|---|---|
| MC68HC05RC8P | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC05RC17DW | 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05RC17DW | 8-BIT, MROM, 2.097 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05RC18FN | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44 |
| MC68HC05RC18DW | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05RC8P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05SC24 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Secure 8-bit microcomputer with EEPROM |
| MC68HC05SR3 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units |
| MC68HC05SU3A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Fully static chip design featuring the industry standard 8-bit M68HC05 core |
| MC68HC05T16 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit |
發(fā)布緊急采購，3分鐘左右您將得到回復。