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参数资料
| 型号： | MPC8280CVVQLDX |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 333 MHz, RISC PROCESSOR, PBGA480 |
| 封装： | 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, TBGA-480 |
| 文件页数： | 11/80页 |
| 文件大小： | 536K |
| 代理商： | MPC8280CVVQLDX |
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MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
Freescale Semiconductor
19
AC Electrical Characteristics
6.2 SIU AC Characteristics
Note the following points about the SIU AC characteristics:
CLKIN jitter and duty cycle. The CLKIN input to the MPC8280 should not exceed +/– 150 psec of jitter
(peak-to-peak). This represents total input jitter—the combination of short term (cycle-to-cycle) and long
term (cumulative). The duty cycle of CLKIN should not exceed the ratio of 40:60. The rise/file time of
CLKIN should adhere to the typical SDRAM device AC clock requirement of 1 V/ns to meet SDRAM AC
specs.
Spread spectrum clocking. Is allowed with 1% input frequency down-spread at maximum 60 KHz
modulation rate regardless of input frequency.
PCI AC timing. The MPC8280 meets the timing requirements of PCI Specification Revision 2.2. Refer to
Sections 7.2 and 7.3 and “Note: Tval (Output Hold)” to determine if a specific clock configuration is
compliant.
Activating data pipelining (setting BRx[DR] in the memory controller) improves the AC timing.
Table 11 lists SIU input characteristics.
Table 12 lists SIU output characteristics.
Table 11. AC Characteristics for SIU Inputs 1
1
Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN. Timings are
measured at the pin.
Spec Number
Characteristic
Value (ns)
Setup
Hold
Setup
Hold
66 MHz
83 MHz
100 MHz
66 MHz
83 MHz
100 MHz
sp11
sp10
AACK/TA/TS/DBG/BG/BR/ARTRY/
TEA
6
5
3.5
0.5
sp12
sp10
Data bus in normal mode
5
4
3.5
0.5
sp13
sp10
Data bus in ECC and PARITY modes
7
5
3.5
0.5
sp13a
sp10
Pipeline mode—Data bus (with or without
ECC/PARITY)
5
4
2.5
0.5
sp14
sp10
DP pins
7
5
3.5
0.5
sp14a
sp10
Pipeline mode—DP pins
—
4
2.5
—
0.5
sp15
sp10
All other pins
5
4
3.5
0.5
Table 12. AC Characteristics for SIU Outputs 1
Spec Number
Characteristic
Value (ns)
Max
Min
Maximum Delay
Minimum Delay
66 MHz
83 MHz
100 MHz
66 MHz
83 MHz
100 MHz
sp31
sp30
PSDVAL/TEA/TA
76
5.5
1
11
sp32
sp30
ADD/ADD_atr./BADDR/CI/GBL/WT
8
6.5
5.5
1
sp33a
sp30
Data bus 2
6.5
5.5
0.7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC8280CVVUPE | 制造商:Freescale Semiconductor 功能描述: |
| MPC8280CVVUPEA | 功能描述:微处理器 - MPU 450 MHz 885 MIPS RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8280CVVUPEA | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MPU 450MHZ TBGA-480 |
| MPC8280CZQB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications |
| MPC8280CZQE | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications |
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