參數(shù)資料
型號(hào): AM29240EH
廠商: Advanced Micro Devices, Inc.
英文描述: Enhanced High-Performance RISC Microcontrollers
中文描述: 增強(qiáng)高性能RISC微控制器
文件頁數(shù): 25/36頁
文件大?。?/td> 401K
代理商: AM29240EH
P R E L I M I N A R Y
25
Am29240 EH Microcontroller Series
SWITCHING WAVEFORMS (continued)
A14–A1
Column Address
16a
14
1.5 V
1.5 V
1.5 V
ID31–ID0
IDP3–IDP0
R/W
MEMCLK
WE
TR/OE
RAS3–RAS0
CAS3–CAS0
Note:
The RAS3–RAS0 signals are asserted and deasserted on the falling edge of MEMCLK.
Row Address
Figure 1. Simple 3/1 DRAM Read Cycle
A14–A1
ID31–ID0
IDP3–IDP0
MEMCLK
R/W
WE
TR/OE
RAS3–RAS0
CAS3–CAS0
Row Address
Column Address
Data
Figure 2. Simple 3/1 DRAM Write Cycle
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