參數(shù)資料
型號: FW82439TX
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 49/102頁
文件大小: 759K
代理商: FW82439TX
Extended Temperature 82439TX (MTXC) Datasheet
49
PRELIMINARY
Figure 4 and Figure 5 show the connections between the MTXC and the external tag RAM and data SRAM.
GWE#
BWE#
D[7:0]
D[15:8]
WE1#
BE[3:0]#
D[23:16]
D[31:24]
TIO[7:0]
TWE#
CCS#
CADS#
CADV#
COE#
GWE#
BWE#
D[7:0]
WE#
OE#
A[12:0]
8Kx8TagRAM
HA[17:5]
HD[63:56]
HD[55:48]
HD[47:40]
HD[39:32]
HD[31:24]
HD[23:16]
HD[15:8]
HD[7:0]
MTXC
32Kx32SRAM
HCLK
HA[17:3]
ADS#
CLK
A[14:0]
CS#
ADSC#
ADV#
GWE#
BWE#
D[7:0]
OE#
BE[3:0]#
D[23:16]
D[31:24]
HBE[7:4]#
HBE[3:0]#
D[15:8]
zz
zz
ADSP#
mtxc_01
Figure 4. MTXC Connections for 256K Second Level Cache with PBSRAM
Figure 5 shows a 512-KB implementation using four 32Kx32 SRAM. Two 64Kx32 devices could also be used.
In this case, HA18 would not be connected to CS2# (i.e., CS2 and CS2# should be connected to an active
state). HA18 should be connected to one of the address lines on the 64Kx32 SRAM and is still required for
the TAG RAM.
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