MPC8544E View Datasheet(PDF) - Freescale Semiconductor
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MPC8544E Datasheet PDF : 117 Pages
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Electrical Characteristics
Table 2. Recommended Operating Conditions (continued)
Characteristic
Symbol
Recommended
Value
Unit Notes
Three-speed Ethernet I/O voltage
LVDD
3.3 V ± 165 mV
V
4
(eTSEC1) 2.5 V ± 125 mV
TVDD
(eTSEC3)
3.3 V ± 165 mV
2.5 V ± 125 mV
PCI, DUART, PCI Express, system control and power management, I2C,
OVDD
3.3 V ± 165 mV
V
3
and JTAG I/O voltage
Local bus I/O voltage
BVDD
3.3 V ± 165 mV
V
5
2.5 V ± 125 mV
1.8 V ± 90 mV
Input voltage
DDR and DDR2 DRAM signals
MVIN
GND to GVDD
V
2
DDR and DDR2 DRAM reference
MVREF
GND to GVDD/2
V
2
Three-speed Ethernet signals
LVIN
TVIN
GND to LVDD
V
4
GND to TVDD
Local bus signals
BVIN
GND to BVDD
V
5
PCI, Local bus, DUART, SYSCLK, system control
and power management, I2C, and JTAG signals
OVIN
GND to OVDD
V
3
Junction temperature range
Tj
0 to 105
°C
—
Notes:
1. This voltage is the input to the filter discussed in Section 21.2, “PLL Power Supply Filtering,” and not necessarily the voltage
at the AVDD pin, which may be reduced from VDD by the filter.
2. Caution: MVIN must not exceed GVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during
power-on reset and power-down sequences.
3. Caution: OVIN must not exceed OVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during
power-on reset and power-down sequences.
4. Caution: T/LVIN must not exceed T/ LVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during
power-on reset and power-down sequences.
5. Caution: BVIN must not exceed BVDD by more than 0.3 V. This limit may be exceeded for a maximum of 20 ms during
power-on reset and power-down sequences.
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
10
Freescale Semiconductor
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