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參數(shù)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(jié)構(gòu)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(shù)： 36/79頁
文件大?。?/td> 501K
代理商： W90220F
W90220F
36
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.
These two bits together with RAMconf1[7] (
"FR "
) determine CAS# active-time during
"DRAM read"
cycles. Please refer Table 5.2.1-5 to get detail information.
5.2.2 DMA REGISTERS
There are twelve registers included in two channels Direct Memory Access (DMA) controller. The IO address map
is allocated from 0xf0000200 to 0xf000022c.
Table 5.2.2-1 : DMA Register Map
(IO base (BA) : 0xf0000000)
Port Addr.
Symbol
Access
Description
BA + 0x200
SAR0
R/W
Channel 0 Source Address Register
BA + 0x204
TAR0
R/W
Channel 0 Target Address Register
BA + 0x208
LETH0
R/W
Channel 0 Length Register
BA + 0x20c
MOD0
R/W
Channel 0 Mode Control Register
BA + 0x210
SAR1
R/W
Channel 1 Source Address Register
BA + 0x214
TAR1
R/W
Channel 1 Target Address Register
BA + 0x218
LETH1
R/W
Channel 1 Length Register
BA+ 0x21c
MOD1
R/W
Channel 1 Mode Control Register
BA + 0x220
DBA0
R/W
DMA IO Device 0 Bass Address
BA + 0x224
DBA1
R/W
DMA IO Device 1 Base Address
BA + 0x228
LCAR0
R
Channel 0 Length Counter
BA + 0x22c
LCAR1
R
Channel 1 Length Counter
Source Addrsee Register (SAR0 and SAR1)
Port address : 0xf0000200
Read/Write
Power-on Default : 0x00000000
Port address : 0xf0000210
Read/Write
Power-on Default : 0x00000000
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