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| 型號： | MPC8378CVRAJDA |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 266 MHz, MICROPROCESSOR, PBGA689 |
| 封裝： | 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689 |
| 文件頁數(shù)： | 63/125頁 |
| 文件大小： | 894K |
| 代理商： | MPC8378CVRAJDA |
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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
42
10.2
Local Bus AC Electrical Specifications
This table describes the general timing parameters of the local bus interface of the device when in PLL enable mode.
Table 44. Local Bus General Timing Parameters—PLL Enable Mode
Parameter
Symbol1
Min
Max
Unit
Note
Local bus cycle time
tLBK
7.5
15
ns
Input setup to local bus clock (except LUPWAIT/LGTA)tLBIVKH
1.5
—
ns
Input hold from local bus clock
tLBIXKH
1.0
—
ns
LUPWAIT/LGTA input setup to local bus clock
tLBIVKH1
1.5
—
ns
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT1
1.5
—
ns
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT2
3—
ns
LALE output fall to LAD output transition (LATCH hold time)
tLBOTOT3
2.5
—
ns
Local bus clock to LALE rise
tLBKHLR
—4.5
ns
—
Local bus clock to output valid (except LALE)
tLBKHOV
—4.5
ns
Local bus clock to output high impedance for LAD/LDP
tLBKHOZ
—3.8
ns
3, 8
Output hold from local bus clock for LAD/LDP
tLBKHOX
1—
ns
Notes:
1. The symbols used for timing specifications herein follow the pattern of t(First two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(First two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tLBIXKH1
symbolizes local bus timing (LB) for the input (I) to go invalid (X) with respect to the time the tLBK clock reference (K) goes
high (H), in this case for clock one(1). Also, tLBKHOX symbolizes local bus timing (LB) for the tLBK clock reference (K) to go
high (H), with respect to the output (O) going invalid (X) or output hold time.
2. All timings are in reference to rising edge of LSYNC_IN at LBVDD/2 and the 0.4 LBVDD of the signal in question.
3. All signals are measured from LBVDD/2 of the rising/falling edge of LSYNC_IN to 0.5 LBVDD of the signal in question.
4. Input timings are measured at the pin.
5. tLBOTOT1 should be used when LBCR[AHD] is set and the load on LALE output pin is at least 10pF less than the load on
LAD output pins.
6. tLBOTOT2 should be used when LBCR[AHD] is not set and the load on LALE output pin is at least 10pF less than the load on
LAD output pins.
7. tLBOTOT3 should be used when LBCR[AHD] is not set and the load on LALE output pin equals to the load on LAD output pins.
8. For purposes of active/float timing measurements, the Hi-Z or off state is defined to be when the total current delivered
through the component pin is less than or equal to the leakage current specification.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MPC8378CVRAJF | 功能描述:微處理器 - MPU PBGA W/O ENCR 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 |
| MPC8378CVRAJFA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378CVRAJGA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378CVRALDA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378CVRALFA | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
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