405EX datasheet(41/67 Pages) AMCC

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PPC405EX – PowerPC 405EX Embedded Processor

Revision 1.09 - August 21, 2007

AMCC Proprietary

Preliminary Data Sheet

External Peripheral Interface

PerAddr05:31

Address bus 5:31.

I/O

3.3V LVTTL

PerClk

Clock output.

3.3V LVTTL

PerCS0

Chip selects 0.

3.3V LVTTL

PerCS1:3

Chip selects 1:3.

I/O

3.3V LVTTL

1, 2

PerData00:31

Data bus 0:31.

I/O

3.3V LVTTL

PerDataPar0:3

Data bus parity 0:3.

I/O

3.3V LVTTL

PerOE

Output enable.

3.3V LVTTL

PerReady

Slave is ready to trasfer data.

3.3V LVTTL

receiver

PerBLast

Last transfer of burst access.

I/O

3.3V LVTTL

1, 4

PerErr

External bus error.

I/O

3.3V LVTTL

1, 5

PerRW

Read/Write.

I/O

3.3V LVTTL

1, 2

PerWBE0:3

Write Byte enable 0:3.

I/O

3.3V LVTTL

1, 2

ExtReset

External reset.

3.3V LVTTL

External Bus Master Interface

BusReq

External bus request.

I/O

3.3V LVTTL

ExtAck

External data transfer complete.

I/O

3.3V LVTTL

ExtReq

External data transfer request.

I/O

3.3V LVTTL

1, 4

HoldReq

External request for bus access.

I/O

3.3V LVTTL

1, 5

HoldAck

External request acknowledge.

I/O

3.3V LVTTL

DMA Interface

DMAAck0:1

External peripheral DMA acknowledge.

I/O

3.3V LVTTL

DMAAck2:3

External peripheral DMA acknowledge.

I/O

3.3V LVTTL

DMAReq0:1

External peripheral DMA request.

I/O

3.3V LVTTL

DMAReq2

External peripheral DMA request.

I/O

3.3V LVTTL

1, 5

DMAReq3

External peripheral DMA request.

I/O

3.3V LVTTL

DMAEOT0:1

External DMA peripheral end-of-transmission.

I/O

3.3V LVTTL

DMAEOT2:3

External DMA peripheral end-of-transmission.

I/O

3.3V LVTTL

1, 5

Table 6. Signal Functional Description (Sheet 4 of 7)

Notes:

1. Receiver input has hysteresis.

2. Must pull up. See “Pull-Up and Pull-Down Resistors” on page 37 for recommended termination values.

3. Must pull down. See “Pull-Up and Pull-Down Resistors” on page 37 for recommended termination values.

4. If not used, must pull up.

5. If not used, must pull down.

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

Signal Name

Description

I/O

Type

Notes

405EX Datasheet(PDF) 41 Page - Applied Micro Circuits Corporation

405EX Datasheet(HTML) 41 Page - Applied Micro Circuits Corporation

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