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| 型號(hào)： | MPC8536AVTATH |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 19/126頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MPU PWRQUICC III 1250MHZ 783PBGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | MPC85xx |
| 處理器類(lèi)型： | 32-位 MPC85xx PowerQUICC III |
| 速度： | 1.25GHz |
| 電壓： | 1V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 783-BBGA，F(xiàn)CBGA |
| 供應(yīng)商設(shè)備封裝： | 783-FCPBGA（29x29） |
| 包裝： | 托盤(pán) |
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Hardware Design Considerations
MPC8536E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
115
This figure shows the PLL power supply filter circuit.
Figure 75. Chip PLL Power Supply Filter Circuit
The AVDD_SRDSn signals provides power for the analog portions of the SerDes PLL. To ensure stability of the internal clock,
the power supplied to the PLL is filtered using a circuit similar to the one shown in following Figure 76. For maximum
effectiveness, the filter circuit is placed as closely as possible to the AVDD_SRDSn balls to ensure it filters out as much noise
as possible. The ground connection should be near the AVDD_SRDSn balls. The 0.003-F capacitor is closest to the balls,
followed by the 1-F capacitor, and finally the 1 ohm resistor to the board supply plane. The capacitors are connected from
AVDD_SRDSn to the ground plane. Use ceramic chip capacitors with the highest possible self-resonant frequency. All traces
should be kept short, wide and direct.
Figure 76. SerDes PLL Power Supply Filter Circuit
Note the following:
AVDD should be a filtered version of SVDD.
Signals on the SerDes interface are fed from the XVDD power plane.
3.3
Pin States in Deep Sleep State
In all low power mode by default, all input and output pads remain driven as per normal functional operation. The inputs remain
enabled.
The exception is that in Deep Sleep mode, GCR[DEEPSLEEP_Z] can be used to tristate a subset of output pads, and disable
the receivers of input pads as defined in Table 1. See the MPC8536E PowerQUICC III Integrated Processor Reference Manual
for details.
3.4
Decoupling Recommendations
Due to large address and data buses, and high operating frequencies, this chip can generate transient power surges and high
frequency noise in its power supply, especially while driving large capacitive loads. This noise must be prevented from reaching
other components in the chip system, and the chip itself requires a clean, tightly regulated source of power. Therefore, it is
recommended that the system designer place at least one decoupling capacitor at each VDD, TVDD, BVDD, OVDD, GVDD, and
LVDD pin of the chip. These decoupling capacitors should receive their power from separate VDD,TVDD, BVDD, OVDD, GVDD,
and LVDD, and GND power planes in the PCB, utilizing short low impedance traces to minimize inductance. Capacitors must
be placed directly under the chip using a standard escape pattern as much as possible. If some caps are to be placed surrounding
the part it should be routed with short and large trace to minimize the inductance.
VDD
AVDD
2.2 F
GND
Low ESL Surface Mount Capacitors
10
Ω
2.2 F 1
0.003 F
GND
1.0
Ω
AVDD - SRDS
1. An 0805 sized capacitor is recommended for system initial bring-up
SnVDD
2.2 F 1
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| MPC8536AVTATHA | 功能描述:微處理器 - MPU 8536 Non E 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 |
| MPC8536AVTATLA | 功能描述:微處理器 - MPU 8536 NON E 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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| MPC8536AVTAULA | 功能描述:微處理器 - MPU 8536 Non E 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 |
| MPC8536AVTAVL | 功能描述:微處理器 - MPU 8536 COMMERCIAL 1500 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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