PPC440SPE-RNB667C datasheet(54/80 Pages) AMCC

54 / 80 page

PowerPC 440SPe Embedded Processor

AMCC Proprietary

Revision 1.23 - Sept 21, 2006

Preliminary Data Sheet

External Slave Peripheral Interface - EBC

PerAddr00:26

Peripheral address bus.

Note:PerAddr00 is the most significant bit (msb).

O3.3V LVTTL

PerBE0:1

External peripheral data bus byte enable.

3.3V LVTTL

PerBLast

Used by the peripheral controller to indicates the last

transfer of a memory access.

O3.3V LVTTL

PerCS0:2

External peripheral device select.

3.3V LVTTL

PerData00:15

Peripheral data bus.

Note:PerData0 is the most significant bit (msb).

I/O

3.3V LVTTL

PerOE

Used by peripheral controller or DMA controller

depending upon the type of transfer involved. When the

PPC440SPe is the bus master, it enables the selected

device to drive the bus.

O3.3V LVTTL

PerPar0:1

External peripheral data bus byte parity.

I/O

3.3V LVTTL

PerReady

Used by a peripheral slave to indicate it is ready to

transfer data.

I3.3V LVTTL

PerR/W

The peripheral controller set this signal to High for a

Read from external memory, and to Low for a Write.

O3.3V LVTTL

PerWE

Write Enable.

3.3V LVTTL

PerClk

Peripheral clock used by synchronous peripheral slaves.

3.3V LVTTL

PerErr

External error used as an input to record external slave

peripheral errors.

3.3V LVTTL

1, 5

IIC Peripheral Interface

IIC0SClk

IIC0 Serial Clock.

I/O

3.3V IIC

1, 2

IIC0SDA

IIC0 Serial Data.

I/O

3.3V IIC

1, 2

IIC1SClk

IIC1 Serial Clock.

I/O

3.3V IIC

1, 2

IIC1SDA

IIC1 Serial Data.

I/O

3.3V IIC

1, 2

Table 6. Signal Functional Description (Sheet 5 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

PPC440SPE-RNB667C 数据表(PDF) 54 Page - Applied Micro Circuits Corporation

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PPC440SPE-RNB667C 数据表(PDF) 54 Page - Applied Micro Circuits Corporation

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