PPC440GX-3RF800C datasheet(51/93 Pages) AMCC

51 / 93 page

440GX – Power PC 440GX Embedded Processor

AMCC

Revision 1.15 – August 30, 2007

Data Sheet

PCIXTRDY

Indicates the target agent’s ability to complete the current data

phase of the transaction.

I/O

3.3V PCI

DDR SDRAM Interface

BA0:1

Bank Address supporting up to four internal banks.

2.5V SSTL_2

BankSel0:3

Selects up to four external DDR SDRAM banks.

2.5V SSTL_2

CAS

Column Address Strobe.

2.5V SSTL_2

ClkEn0:3

Clock Enable. One for each bank.

2.5V SSTL_2

DM0:8

Memory write data byte lane masks. MEMDM8 is the byte lane

mask for the ECC byte lane.

2.5V SSTL_2

DQS0:8

Byte lane data strobe. DQS8 is the data strobe for the ECC byte

lane.

I/O

2.5V SSTL_2

ECC0:7

ECC check bits 0:7.

I/O

2.5V SSTL_2

MemAddr00:12

Memory address bus.

2.5V SSTL_2

MemClkOut0

Subsystem clock.

2.5V SSTL_2

MemData00:63

Memory data bus.

I/O

2.5V SSTL_2

MemVRef1:2

Memory reference voltage (SVREF) input.

Voltage Ref

Receiver

RAS

Row Address Strobe.

2.5V SSTL_2

Write Enable.

2.5V SSTL_2

Ethernet Interface

EMCCD,

EMC1RxErr,

GMCGTxClk,

GMC0TxClk,

TBITxClk,

RTBI0TxClk

MII: Collision detection

RMII 1: Receive error

GMII: 1000Mbps Transmit clock

RGMII: Transmit clock

TBI: Transmit clock

RTBI: Transmit clock

I/O

3.3V tolerant

2.5V CMOS

EMCCrS,

EMC0CrSDV,

GMCTxD7,

GMC1TxD3,

TBITxD7,

RTBI1TxD3

MII: Carrier sense

RMII 0: Carrier sense data valid

GMII: Transmit data

RGMII 1: Transmit data

TBI: Transmit data

RTBI 1: Transmit data

I/O

3.3V tolerant

2.5V CMOS

EMCMDClk

MII and RMII: Management data clock

3.3V tolerant

2.5V CMOS

EMCMDIO

MII and RMII: Transfer command and status information between

MII and PHY

I/O

3.3V tolerant

2.5V CMOS

Signal Functional Description (Sheet 2 of 8)

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

PPC440GX-3RF800C Datasheet(PDF) 51 Page - Applied Micro Circuits Corporation

PPC440GX-3RF800C Datasheet(HTML) 51 Page - Applied Micro Circuits Corporation

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