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參數(shù)資料
| 型號： | 403GCX-3JC80C2A |
| 元件分類： | 復(fù)位半導(dǎo)體 |
| 英文描述： | 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit |
| 中文描述： | 32位微處理器 |
| 文件頁數(shù)： | 5/48頁 |
| 文件大?。?/td> | 768K |
| 代理商： | 403GCX-3JC80C2A |
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IBM PowerPC 403GC
5
Asynchronous imprecise exceptions include
system resets and machine checks.
Synchronous precise exceptions include most
debug exceptions, program exceptions, data
storage violations, TLB misses, system calls, and
alignment error exceptions. Asynchronous
precise exceptions include the critical interrupt
exception, external interrupts, and internal timer
facility exceptions and some debug events.
Only one exception is handled at a time. If
multiple exceptions occur simultaneously, they
are handled in priority order.
The 403GC processes exceptions as reset,
critical, or noncritical. Four exceptions are
defined as critical: machine check exceptions,
debug exceptions, exceptions caused by an
active level on the critical interrupt pin, and the
first time-out from the watchdog timer.
When a noncritical exception is taken, special
purpose register Save/Restore 0 (SRR0) is
loaded with the address of the excepting
instruction (synchronous exceptions other than
system call) or the next sequential instruction to
be processed (asynchronous exceptions and
system call). If the 403GC is executing a
multicycle instruction (load/store multiple, load/
store string, multiply or divide), the instruction is
terminated and its address stored in SRR0.
Save/Restore Register 1 (SRR1) is loaded with
the contents of the machine state register. The
MSR is then updated to reflect the new context of
the machine. The new MSR contents take effect
beginning with the first instruction of the
exception handling routine.
At the end of the exception handling routine,
execution of a return from interrupt (rfi)
instruction forces the contents of SRR0 and
SRR1 to be loaded into the program counter and
the MSR, respectively. Execution then begins at
the address in the program counter.
The four critical exceptions are processed in a
similar manner. When a critical exception is
taken, SRR2 and SRR3 hold the next sequential
address to be processed when returning from the
exception and the contents of the machine state
register, respectively. After the critical exception
handling routine, return from critical interrupt
(rfci) forces the contents of SRR2 and SRR3 to
be loaded into the program counter and the
MSR, respectively.
Timers
The 403GC contains four timer functions: a time
base, a programmable interval timer (PIT), a
fixed interval timer (FIT), and a watchdog timer.
The time base is a 64-bit counter incremented at
the timer clock rate. The timer clock may be
driven by either an internal signal equal to the
processor clock rate or by a separate external
timer clock pin. No interrupts are generated when
the time base rolls over.
Table 2. 403GC Exception Priorities, Types and Classes
Priority
Exception Type
Exception Class
1
2
System Reset
Machine Check
Asynchronous imprecise
Asynchronous imprecise
Synchronous precise
(except UDE and EXC)
Asynchronous precise
Asynchronous precise
Synchronous precise
3
Debug
4
5
Critical Interrupt
WatchdogTimer Time-out
Program Exception, Data Storage Exception,TLB Miss, and
System Calls
Alignment Exceptions
External Interrupts
Fixed Interval Timer
Programmable Interval Timer
6
7
8
9
Synchronous precise
Asynchronous precise
Asynchronous precise
Asynchronous precise
10
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| 403HR | 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 403GG1K | 功能描述:NTC Thermistor 40k DO-204AH, DO-35, Axial 制造商:us sensor 系列:- 包裝:散裝 零件狀態(tài):要求報(bào)價(jià) 25°C 時(shí)歐姆阻值:40k 電阻容差:±10% B 值容差:- B0/50:3575K B25/50:- B25/75:- B25/85:- B25/100:- 工作溫度:300°C 功率 - 最大值:- 長度 - 引線:1.00"（25.40mm） 安裝類型:通孔 封裝/外殼:DO-204AH，DO-35，軸向 標(biāo)準(zhǔn)包裝:1 |
| 403-GRAY | 功能描述:罩類、盒類及殼類產(chǎn)品 PLAST BOX 5.62X3.25 RoHS:否 制造商:Bud Industries 產(chǎn)品:Boxes 外部深度:6.35 mm 外部寬度:6.35 mm 外部高度:2.56 mm NEMA 額定值: IP 等級: 材料:Acrylonitrile Butadiene Styrene (ABS) 顏色:Red |
| 403HA001NF2524MH | 制造商:Glenair Inc 功能描述:MILITARY ACCESSORY - Bulk 制造商:Glenair Inc 功能描述:Glenair |
| 403HB001NF1512MC | 功能描述:環(huán)形MIL規(guī)格后蓋 TAG RING ENV RC LOW 45DEG MED CLAMP RoHS:否 制造商:Amphenol PCD MIL 類型:MIL-DTL-38999 III, IV 系列:AS85049 產(chǎn)品類型:Environmental EMI/RFI Backshells 外殼類型:Straight 外殼大小:18 外殼材質(zhì):Aluminum Alloy |
| 403HR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Standard LED Lamp |
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