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參數資料
型號: W90220F
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: PA-RISC Embedded Micro-Controller(惠普PA-RISC結構的32位嵌入式微控制器)
中文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PQFP208
封裝: PLASTIC, QFP-208
文件頁數: 25/79頁
文件大小: 501K
代理商: W90220F
W90220F
25
The above information is the exclusive intellectual property of Winbond Electroncs Corp. and shall not be dsiclosed or distributed or reproduced without permission from
Version 0.84
Winbond.
5.2 REGISTER DEFINITIONS
5.2.1 MEMORY CONTROLLER REGISTERS
There are 24 8-bit registers included in the memory (ROM/DRAM) controller. Access to these registers
are through a 8-bit "index" port and a 8-bit data port. The index port address is 0xf0000022 and the data port
address is 0xf0000023. The memory controller supports
ROM
,
Flash
,
EDO
- and
Fast-page-mode
DRAM.
Table
5.2.1-1 : MEMC Register Map
(IO base (BA) : 0xf0000000)
Index
Symbol
Access
Description
0x00
R/W
ROM bank 0 base register [0:7]
0x01
R/W
ROM bank 0 base register [8:15]
0x02
R/W
ROM bank 1 base register [0:7]
0x03
R/W
ROM bank 1 base register [8:15]
0x04
R/W
ROM bank 2 base register [0:7]
0x05
R/W
ROM bank 2 base register [8:15]
0x06
R/W
ROM bank 3 base register [0:7]
0x07
R/W
ROM bank 3 base register [8:15]
0x08
ROMconf0
R/W
ROM Configuration register 0 [0:7]
0x09
ROMconf1
R/W
ROM Configuration register 1 [0:7]
0x0a
ROMconf2
R/W
ROM Configuration register 2 [0:7]
0x0b
ROMconf3
R/W
ROM Configuration register 3 [0:7]
0x20
R/W
RAM bank 0 base register [0:7]
0x21
R/W
RAM bank 0 base register [8:15]
0x22
R/W
RAM bank 1 base register [0:7]
0x23
R/W
RAM bank 1 base register [8:15]
0x24
R/W
RAM bank 2 base register [0:7]
0x25
R/W
RAM bank 2 base register [8:15]
0x26
R/W
RAM bank 3 base register [0:7]
0x27
R/W
RAM bank 3 base register [8:15]
0x28
RAMconf0
R/W
RAM Configuration register 0 [0:7]
0x29
RAMconf1
R/W
RAM Configuration register 1 [0:7]
0x2a
RAMconf2
R/W
RAM Configuration register 2 [0:7]
0x2b
RAMconf3
R/W
RAM Configuration register 3 [0:7]
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