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MPC8272EC 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 MPC8272EC
기능 PowerQUICC II Family Hardware Specifications
제조업체 Freescale Semiconductor
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MPC8272EC 데이터시트 및 MPC8272EC PDF

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MPC8272EC pdf, 반도체, 판매, 대치품
Overview
Freescale Semiconductor, Inc.
• Separate PLLs for G2_LE core and for the communications processor module (CPM)
— G2_LE core and CPM can run at different frequencies for power/performance optimization
— Internal core/bus clock multiplier that provides 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 4.5:1, 5:1, 5.5:1, 6:1,
7:1, and 8:1 ratios
— Internal CPM/bus clock multiplier that provides 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 5:1, and 6:1 ratios
• 64-bit data and 32-bit address 60x bus
— Bus supports multiple master designs—up to two external masters
— Supports single transfers and burst transfers
— 64-, 32-, 16-, and 8-bit port sizes controlled by on-chip memory controller
• 60x-to-PCI bridge
— Programmable host bridge and agent
— 32-bit data bus, 66 MHz, 3.3 V
— Synchronous and asynchronous 60x and PCI clock modes
— All internal address space available to external PCI host
— DMA for memory block transfers
— PCI-to-60x address remapping
• System interface unit (SIU)
— Clock synthesizer
— Reset controller
— Real-time clock (RTC) register
— Periodic interrupt timer
— Hardware bus monitor and software watchdog timer
— IEEE 1149.1 JTAG test access port
• Eight bank memory controller
— Glueless interface to SRAM, page mode SDRAM, DRAM, EPROM, Flash, and other
user-definable peripherals
— Byte write enables
— 32-bit address decodes with programmable bank size
— Three user programmable machines, general-purpose chip-select machine, and page mode
pipeline SDRAM machine
— Byte selects for 64-bit bus width (60x)
— Dedicated interface logic for SDRAM
• Disable CPU mode
• Integrated security engine (SEC) (MPC8272 and MPC8248 only)
— Supports DES, 3DES, MD-5, SHA-1, AES, PKEU, RNG and RC-4 encryption algorithms
in hardware
• Communications processor module (CPM)
— Embedded 32-bit communications processor (CP) uses a RISC architecture for flexible support
for communications peripherals
— Interfaces to G2_LE core through on-chip dual-port RAM and DMA controller. (Dual-port
RAM size is 16 Kbyte plus 4Kbyte dedicated instruction RAM.)
4
MPC8272 PowerQUICC II™ Family Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
For More Information On This Product,
Go to: www.freescale.com

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MPC8272EC 전자부품, 판매, 대치품
Freescale Semiconductor, Inc.
Operating Conditions
2 Operating Conditions
Table 3 shows the maximum electrical ratings.
Table 3. Absolute Maximum Ratings 1
Rating
Symbol
Value
Unit
Core supply voltage 2
PLL supply voltage2
I/O supply voltage 3
Input voltage 4
VDD
VCCSYN
VDDH
VIN
–0.3 – 2.25
–0.3 – 2.25
–0.3 – 4.0
GND(–0.3) – 3.6
V
V
V
V
Junction temperature
Tj 120 ˚C
Storage temperature range
TSTG
(–55) – (+150)
˚C
1 Absolute maximum ratings are stress ratings only; functional operation (see Table 4) at the maximums is not
guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage.
2 Caution: VDD/VCCSYN must not exceed VDDH by more than 0.4 V at any time, including during power-on reset.
3 Caution: VDDH can exceed VDD/VCCSYN by 3.3 V during power on reset by no more than 100 mSec. VDDH should
not exceed VDD/VCCSYN by more than 2.5 V during normal operation.
4 Caution: VIN must not exceed VDDH by more than 2.5 V at any time, including during power-on reset.
Table 4 lists recommended operational voltage conditions.
Table 4. Recommended Operating Conditions 1
Rating
Symbol
Value
Unit
Core supply voltage
VDD
1.45 – 1.60
V
PLL supply voltage
VCCSYN
1.45 – 1.60
V
I/O supply voltage
VDDH
3.135 – 3.465
V
Input voltage
VIN
GND (-0.3) – 3.465
V
Junction temperature (maximum)
Tj
105 2
˚C
Ambient temperature
TA
0–702
˚C
1 Caution: These are the recommended and tested operating conditions. Proper operation outside of these conditions
is not guaranteed.
2 Note that for extended temperature parts the range is (-40)TA– 105Tj.
NOTE: Core, PLL, and I/O Supply Voltages
VDDH, VCCSYN, and VDD must track each other and must vary in the
same direction—either in the positive direction (+0.165 VDDH and
+0.075 VDD) or in the negative direction (–0.165 VDDH and
–0.075 VDD).
This device contains circuitry protecting against damage due to high static voltage or electrical fields;
however, it is advised that normal precautions be taken to avoid application of any voltages higher than
maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused
inputs are tied to an appropriate logic voltage level (either GND or VCC).
MOTOROLA
MPC8272 PowerQUICC II™ Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
For More Information On This Product,
Go to: www.freescale.com
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MPC8272EC

The functions of this components is a PowerQUICC II Family Hardware Specifications.

Freescale Semiconductor
Freescale Semiconductor

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