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參數(shù)資料
型號(hào)： MPC8313ECVRADDB
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 2/99頁(yè)
文件大小： 0K
描述： MPU POWERQUICC II PRO 516-PBGA
標(biāo)準(zhǔn)包裝： 40
系列： MPC83xx
處理器類(lèi)型： 32-位 MPC83xx PowerQUICC II Pro
速度： 267MHz
電壓： 0.95 V ~ 1.05 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 516-BBGA 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 516-PBGAPGE（27x27）
包裝： 托盤(pán)
MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 4
10
Freescale Semiconductor
2.2
Power Sequencing
The MPC8313E does not require the core supply voltage (VDD and VDDC) 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 and VDDC) 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. Once both the
power supplies (I/O voltage and core voltage) are stable, wait for a minimum of 32 clock cycles before
negating PORESET.
Note that there is no specific power down sequence requirement for the MPC8313E. I/O voltage supplies
(GVDD, LVDD, and NVDD) do not have any ordering requirements with respect to one another.
Figure 3. Power-Up Sequencing Example
DDR2 signal
18
GVDD = 1.8 V
DUART, system control, I2C, JTAG, SPI
42
NVDD = 3.3 V
GPIO signals
42
NVDD = 3.3 V
eTSEC signals
42
LVDDA, LVDDB = 2.5/3.3 V
USB signals
42
LVDDB = 2.5/3.3 V
Table 3. Output Drive Capability (continued)
Driver Type
Output Impedance (
)
Supply Voltage
t
90%
V
Core Voltage (VDD, VDDC)
I/O Voltage (GVDD, GVDD, and NVDD)
0
0.7 V
PORESET
tSYS_CLK_IN/tPCI_SYNC_IN >= 32 clocks
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8313ECVRADDC 功能描述:微處理器 - MPU 8313 REV2.2 W/ENC EXT 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
MPC8313ECVRAFD 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8313ECVRAFDA 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8313ECVRAFDB 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8313ECVRAFF 功能描述:微處理器 - MPU 8313 NOPB PBGA W/ 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(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
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