參數(shù)資料
型號(hào): PC7447
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(yè)數(shù): 33/66頁(yè)
文件大小: 522K
代理商: PC7447
33
PC7457/47 [Preliminary]
5345B–HIREL–02/04
Figure 15 shows the typical connection diagram for the PC7457 interfaced to PB2 SRAMs or Late Write SRAMs.
Figure 15.
Typical Synchronous 1M Byte L3 Cache Late Write or PB2 Interface
Note:
1. Or as recommended by SRAM manufacturer for single-ended clocking.
L3_ADDR[16:0]
L3_CNTL[0]
SA[16:0]
K
K
SS
SW
ZZ
G
SRAM 0
DQ[0:17]
DQ[18:36 ]
L3_CNTL[1]
GVDD/2 (1)
GVDD/2(1)
GND
GND
SRAM 1
SA[16:0]
GND
GND
L3_CLK[0]
L3_CLK[1]
L3_ECHO_CLK[0]
L3_ECHO_CLK[1]
L3_ECHO_CLK[2]
PC7457
L3_ECHO_CLK[3]
K
K
SS
SW
ZZ
G
DQ[0:17]
DQ[18:36]
Denotes
Receive (SRAM
to PC7457)
Aligned Signals
Denotes
Transmit
(PC7457 to SRAM)
Aligned Signals
{L3_DATA[0:15], L3_DP[0:1]}
{L3_DATA[16:31], L3_DP[2:3]}
{L3_DATA[32:47], L3_DP[4:5]}
{L3_DATA[48:63], L3_DP[6:7]}
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