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參數(shù)資料
| 型號(hào)： | EP9315-CB |
| 廠商： | Cirrus Logic Inc |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ARM920T MCU 200MHZ 352-PBGA |
| 標(biāo)準(zhǔn)包裝： | 40 |
| 系列： | EP9 |
| 核心處理器： | ARM9 |
| 芯體尺寸： | 16/32-位 |
| 速度： | 200MHz |
| 連通性： | EBI/EMI，EIDE，以太網(wǎng)，I²C，IrDA，鍵盤(pán)/觸摸屏，PCMCIA，SPI，UART/USART，USB |
| 外圍設(shè)備： | AC'97，DMA，I²S，LCD，LED，MaverickKey，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 16 |
| 程序存儲(chǔ)器類(lèi)型： | ROMless |
| RAM 容量： | 32K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.65 V ~ 3.6 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x12b |
| 振蕩器型： | 外部 |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 352-BGA |
| 包裝： | 托盤(pán) |
| 配用： | 598-1144-ND - KIT DEVELOPMENT EP9315 ARM9 |
| 其它名稱(chēng)： | 598-1261 |
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6
ER638E2B
MaverickCrunchTM
Various MaverickCrunch errata share common features. The individual descriptions will refer to these
common features.
1) For several errata, an instruction appears in the coprocessor pipeline, but does not execute for one of
the following reasons:
- It fails its condition code check.
- A branch is taken and it is one of the two instructions in the branch delay slot.
- An exception occurs.
- An interrupt occurs.
2) For several errata, the coprocessor must be either operating in serialized mode or not be operating in
serialized mode. The coprocessor is operating in serialized mode if and only if both:
- At least one exception type is enabled by setting one of the following bits in the DSPSC: IXE, UFE,
OFE, or IOE.
- Serialization is not specifically disabled by setting the AEXC bit in the DSPSC.
3) For several errata, an instruction must update an accumulator. These include all of the following:
- Moves to accumulators: cfmva32, cfmva64, cfmval32, cfmvam32, cfmvah32.
- Arithmetic into accumulators: cfmadd32, cfmadda32, cfmsub32, cfmsuba32.
4) For several errata, an instruction must be any two-word coprocessor load or store. These include cfldr64,
cfldrd, cfstr64, and cfstrd.
The following table summarizes MaverickCrunch errata.
Several of the errata are sensitive to certain coprocessor instructions appearing early in an interrupt or
exception handler. To avoid seeing any errata due to such instructions, insure that no coprocessor
instructions appear in the instruction stream within the first seven instructions after an interrupt or exception.
Note that, typically, the first three instructions in this stream would be a branch in the jump table followed by
the two instructions in the branch delay slot.
Erratum Failing Coprocessor Instructions
Mode
Result
Workaround
1.
two-word load / store
register or memory corruption
change sequence
2.
instruction with source operand
bad calculation or stored value change sequence
3.
two-word load / store
register or memory corruption
change sequence
4.
two-word store
forwarding,
not serialized
memory corruption
change sequence
5.
cfrshl32, cfrshl64
serialized
bad calculation
unserialized mode,
substitute ARM code sequence
6.
ldr32, mv64lr
bad sign extension in register
add correcting code sequence
7.
accumulator updates
accumulator corruption
change sequence
8.
accumulator updates
accumulator corruption
change sequence
9.
accumulator updates
accumulator corruption
change sequence
10.
accumulator updates
serialized
accumulator corruption
unserialized mode
11.
two-word load / store
memory or register corruption
change sequence
12.
floating point add, cpy, abs, neg
denorm operand forced to
zero, cpy/neg never produces
+zero
none
13.
cfcvtds
never produces denorms
none
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP9315CB/E0 | 制造商:Cirrus Logic 功能描述: |
| EP9315CB/E1 | 制造商:Cirrus Logic 功能描述: |
| EP9315-CBZ | 功能描述:微處理器 - MPU IC Universl Pltform ARM9 SOC Prcessor RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| EP9315-EB | 制造商:CIRRUS 制造商全稱(chēng):Cirrus Logic 功能描述:Enhanced Universal Platform System-on-Chip Processor |
| EP9315-EBZ | 制造商:CIRRUS 制造商全稱(chēng):Cirrus Logic 功能描述:Enhanced Universal Platform System-on-Chip Processor |
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