參數資料
型號: ELANSC300-25KC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: Highly Integrated, Low-Power, 32-Bit Microcontroller
中文描述: 32-BIT, 25 MHz, MICROCONTROLLER, PQFP208
封裝: SHRINK, PLASTIC, QFP-208
文件頁數: 47/139頁
文件大?。?/td> 1388K
代理商: ELANSC300-25KC
élanSC300 Microcontroller Data Sheet
47
P R E L I M I N A R Y
Notes:
1.
SRAM configuration is supported. Bit 7 of the PCMCIA Card Reset Register, Index B4h, must be cleared. Setting MS2–MS0
of Index 66h as specified in the table selects the SRAM bank sizes.
See Tables 16 and 17 for the DRAM address multiplexing schemes for normal page mode and Enhanced Page mode, respec-
tively.
Table 15.
Supported DRAM/SRAM Configuration
Bank Size
(16-Bit Wide Only)
Index B1h
Index
B4h
Bit 7
Index Reg. 66h
Total DRAM/SRAM Size
Bank 0 DRAMs
Bank 1 DRAMs
Bit 7
Bit 6
MS2
Bit 4
x
x
x
x
0
0
MS1
Bit 3
x
x
x
x
0
1
MS0
Bit 2
x
x
x
x
1
0
512 Kbyte
512 Kbyte
1 Mbyte
1 Mbyte
1 Mbyte
1
4 256 K x 4 bits
1 256K x 16 bits
4 256 K x 4 bits
1 256K x 16 bits
2 512 K x 8 bits
2 512 K x 8 bits
0
0
0
0
x
x
0
0
1
1
x
x
1
1
1
1
0
0
4 256 K x 4 bits
1 256K x 4 bits
2 512 K x 8 bits
2 Mbyte
1
2 Mbyte
1
2 Mbyte
4 1 M
byte
x 4 bits
x
x
0
0
1
1
1 1 M
byte
x 16 bits
4 1 M
byte
x 4 bits,
1
0
1
x
x
x
4 Mbyte
1
4 Mbyte
4 1 M
byte
x 4 bits
x
x
0
1
0
0
1 1 M
byte
x 16 bits
4 4 M
byte
x 4 bits
1 1 M
byte
x 16 bits
1
1
1
x
x
x
8 Mbyte
1
x
x
0
1
0
1
16 Mbyte
1
4 4 M
byte
x 4 bits
4 4 M
byte
x 4 bits
x
x
0
1
1
0
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