PPC440SP datasheet(62/85 Pages) AMCC

62 / 85 page

PowerPC 440SP Embedded Processor

AMCC Proprietary

Revision 1.23 - Sept 26, 2006

Data Sheet

Power

AxGND

Analog ground.

APxVDD

Analog voltage—1.5V.

Filtered voltages input for PCI PLLs (analog circuits).

Note:A separate filter for all analog voltages is

recommended.

AxVDD

Analog voltage—1.5V.

Filtered voltages input for system PLLs (analog circuits).

Note:A separate filter for all analog voltages is

recommended.

GND

Logic and I/O ground.

OVDD

I/O supply (except DDR SDRAM and PCI-X)— 3.3V.

PxVDD

PCI-X I/O voltage supply.

Note:PCI-X operates at 3.3V.

PCI-X 266 DDR operates at 1.5V

SVDD

DDR SDRAM I/O voltage supply.

Note:DDR SDRAM operates at 2.5V

DDR2 SDRAM operates as 1.8V

VDD

Logic voltage supply—1.5V.

PSRO

Performance Screen Ring Oscillator.

Note:All PSRO signals should be connected to logic

ground (GND).

Reserved

Do not connect voltage, ground, or any signals to these

pins.

Table 6. Signal Functional Description (Sheet 7 of 7)

Notes:

1. Receiver input has hysteresis

2. Must pull up (recommended value is 3k

Ω to 3.3V)

3. Must pull down (recommended value is 1k

Ω)

4. If not used, must pull up (recommended value is 3k

Ω to 3.3V)

5. If not used, must pull down (recommended value is 1k

Ω)

6. Strapping input during reset; pull-up or pull-down required

Signal Name

Description

I/O

Type

Notes

PPC440SP 데이터시트(PDF) 62 Page - Applied Micro Circuits Corporation

PPC440SP 데이터시트(HTML) 62 Page - Applied Micro Circuits Corporation

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