参数资料
型号: ZL50418/GKC
厂商: ZARLINK SEMICONDUCTOR INC
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封装: 37.50 X 37.50 MM, 2.33 MM HEIGHT, MS-034, HSBGA-553
文件页数: 102/155页
文件大小: 1928K
代理商: ZL50418/GKC
ZL50418
Data Sheet
50
Zarlink Semiconductor Inc.
5.3
Memory Configurations
The ZL50418 supports pipelined SBRAM with 1 M and 2 M per bank configurations. For detail connection
information, please reference the Memory Interface Application Note, MSAN-211.
Table 5 - Supported Memory Configurations (SBRAM Mode)
Figure 10 - Memory Configuration For 1 M/bank, 1 Layer
SBRAM
Configurations
1 M per bank
(Bootstrap pin
TSTOUT7 = open)
2 M per bank
(Bootstrap pin
TSTOUT7 = pulled down)
Connections
Single Layer
(Bootstrap pin
TSTOUT13 = open)
Two 128 K x 32 SBRAM/bank
or
One 128 K x 64 SBRAM/bank
Two 256 K x 32 SBRAM/bank
or
One 256 K x 64 SBRAM/bank
Connect 0E# and
WE#
Double Layer
(Bootstrap pin
TSTOUT13 = pulled
down)
NA
Four 128 K x 32 SBRAM/bank
or
Two 128 K x 64 SBRAM/bank
Connect 0E0# and
WE0#
Connect 0E1# and
WE1#
Memory
128K
32 bits
SRAM
Memory
128K
32 bits
Data LA_D[63:32]
Data LA_D[31:0]
Address LA_A[19:3]
Bank A (1 M One Layer)
Bootstraps: TSTOUT7 = Open, TSTOUT13 = Open, TSTOUT4 = Open
Memory
128K
32 bits
SRAM
Memory
128K
32 bits
Data LB_D[63:32]
Data LB_D[31:0]
Address LB_A[19:3]
Bank B (1 M One Layer)
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