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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: 55/79頁
文件大小: 501K
代理商: W90220F
W90220F
55
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.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Dfifo LSB byte
The device build-in a 16-byte data fifo to accelerate the transfer rate when using "Fast Standard
Mode" or "ECP mode".
The Dfifo may be 1-byte or 4-byte accessed by CPU using "PWord" basis.
Command Register (CMD)
Port address : 0xf0000374
Read/write
Power-on Default : ---
0
1
2
3
4
5
6
7
Pended Command Code
Bits 0-7 Pended Command Code
Whenever a command code is written by CPU, a "command trasfer" will be induced immediately
during "
ECP forward transfering
".
If CMD contains a command code not been transfered yet, a "command pended" status (CMDtrue)
is echoed in DSR[7]. "Reset device" or "CPU read CMD" or the pended command code is finished
transfering, the CMDtrue will also be cleared.
Time Out Register (TOR)
Port address : 0xf0000375
Read/write
Power-on Default : ---
0
1
2
3
4
5
6
7
TOUTen
TOUTcmp
Bits 0
Time Out Counter enable
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