PC7447 datasheet(30/66 Pages) ATMEL

Part #	PC7447

Description	PowerPC 7457 RISC Microprocessor

PDF	66 Pages

Scroll/Zoom	100%

Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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30 / 66 page

PC7457/47 [Preliminary]

5345B–HIREL–02/04

Figure 13 shows the typical connection diagram for the PC7457 interfaced to MSUG2 DDR SRAMs.

Figure 13. Typical Source Synchronous 4M bytes L3 Cache DDR Interface

Note:

1. Or as recommended by SRAM manufacturer for single-ended clocking.

{L3DATA[0:15], L3DP[0:1]}

{L3DATA[16:31], L3DP[2:3]}

{L3DATA[32:47], L3DP[4:5]}

L3ADDR[18:0]

L3_CNTL[0]

L3_CLK[0]

L3_CLK[1]

L3_ECHO_CLK[0]

L3_ECHO_CLK[1]

L3ECHO_CLK[2]

L3_ECHO_CLK[3]

{L3DATA[48:63], L3DP[6:7]}

SA[18:0]

SRAM 0

SRAM 1

D[0:17]

D[18:35]

SA[18:0]

D[0:17]

D[18:35]

L3_CNTL[1]

GND

PC7457

Denotes

Receive (SRAM

to PC7457)

Aligned Signals

Denotes

Transmit

(PC7457 to SRAM)

Aligned Signals

(1)

LBO

GVDD/2

(1)

GVDD/2

PC7447 Datasheet(PDF) 30 Page - ATMEL Corporation

PC7447 Datasheet(HTML) 30 Page - ATMEL Corporation

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