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參數(shù)資料
| 型號： | MPC8308CZQAGD |
| 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, PBGA473 |
| 封裝： | 19 X 19 MM, 0.80 MM PITCH, 1.39 MM HEIGHT, MAPBGA-473 |
| 文件頁數(shù)： | 45/88頁 |
| 文件大?。?/td> | 2550K |
| 代理商： | MPC8308CZQAGD |
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MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
Freescale Semiconductor
5
Electrical Characteristics
Figure 2 shows the undershoot and overshoot voltages at the interfaces of the device
Figure 2. Overshoot/Undershoot Voltage for GVDD/NVDD/LVDD
2.1.3
Output Driver Characteristics
Table 3 provides information on the characteristics of the output driver strengths.
2.1.4
Power Sequencing
The device does not require the core supply voltage (VDD) and I/O supply voltages (GVDD, LVDD, and
NVDD) to be applied in any particular order. Note that during power ramp-up, before the power supplies
are stable and if the I/O voltages are supplied before the core voltage, there might be a period of time that
all input and output pins are actively driven and cause contention and excessive current. In order to avoid
actively driving the I/O pins and to eliminate excessive current draw, apply the core voltage (VDD) before
the I/O voltage (GVDD, LVDD, and NVDD) and assert PORESET before the power supplies fully ramp up.
In the case where the core voltage is applied first, the core voltage supply must rise to 90% of its nominal
value before the I/O supplies reach 0.7 V; see Figure 3.
Table 3. Output Driver Capability
Driver Type
Output Impedance (
Ω)
Supply Voltage
Local bus interface utilities signals
42
NVDD = 3.3 V
DDR2 signals1
1 Output Impedance can also be adjusted through configurable options in DDR Control Driver Register (DDRCDR).
For more information, see the
MPC8308 PowerQUICC II Pro Processor Reference Manual.
18
GVDD = 1.8 V
DUART, system control, I2C, JTAG, eSDHC, GPIO,SPI, USB
42
NVDD = 3.3 V
eTSEC signals
42
LVDD = 2.5/3.3 V
VSS
VSS – 0.3 V
VSS – 0.7 V
Not to Exceed 10%
G/L/NVDD + 20%
G/L/NVDD
G/L/NVDD + 5%
of tinterface
1
1. Note that tinterface refers to the clock period associated with the bus clock interface.
VIH
VIL
Note:
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| MPC8308CZQAGDA | 功能描述:微處理器 - MPU E300 EXT TEMP PB 400 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 最大時鐘頻率:536 MHz 程序存儲器大小: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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MPC8308-KIT | 功能描述:開發(fā)板和工具包 - 其他處理器 For MPC8308 Ethernet USB I2C SPI RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MPC8308-NSG | 功能描述:開發(fā)板和工具包 - 其他處理器 MPC8308-NSG RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| MPC8308-NSG | 制造商:Freescale Semiconductor 功能描述:MPC8308-NSG*NIC* |
| MPC8308-RDB | 功能描述:開發(fā)板和工具包 - 其他處理器 Refer. Board MPC8308 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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