參數(shù)資料
型號: PC7457MGU1200N
廠商: Atmel Corp.
英文描述: PowerPC 7457 RISC Microprocessor
中文描述: 7457的PowerPC RISC微處理器
文件頁數(shù): 30/66頁
文件大小: 522K
代理商: PC7457MGU1200N
30
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]}
CQ
SA[18:0]
CK
B1
B2
SRAM 0
SRAM 1
SA[18:0]
B1
B2
CQ
D[0:17]
D[18:35]
CQ
CK
CQ
D[0:17]
D[18:35]
L3_CNTL[1]
NC
NC
GND
GND
GND
NC
NC
GND
GND
GND
PC7457
Denotes
Receive (SRAM
to PC7457)
Aligned Signals
Denotes
Transmit
(PC7457 to SRAM)
Aligned Signals
(1)
CQ
CK
B3
G
CQ
LBO
CQ
CK
B3
G
CQ
LBO
GVDD/2
(1)
GVDD/2
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