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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: 59/79頁
文件大小: 501K
代理商: W90220F
W90220F
59
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.
0 = Mask Irpt_THRE
1 = Enable Irpt_THRE
Bits 7
Receiver Data Available Interrupt (Irpt_RDA) and Time-Out Interrupt (Irpt_TOUT) Enable
0 = Mask Irpt_RDA and Irpt_TOUT
1 = Enable Irpt_RDA and Irpt_TOUT
Divisor Latch (low byte) Register (DLL)
Port address : 0xf00003f8, DLAB=1 (COM1)
Read/write
Power-on Default : 0x0
0xf00002f8, DLAB=1 (COM2)
0
1
2
3
4
5
6
7
Baud Rate Divisor (Low Byte)
Bit 0-7 Low byte of baud rate dvisor
Divisor Latch (high byte) Register (DLM)
Port address : 0xf00003f9, DLAB=1 (COM1)
Read/write
Power-on Default : 0x0
0xf00002f9, DLAB=1 (COM2)
0
1
2
3
4
5
6
7
Baud Rate Divisor (High Byte)
Bit 0-7 High byte of baud rate dvisor
The 16-bit Divisor ({DLM, DLL}) is used to determine the COM port's baud rate. The equation
is
Baud Rate = Frequency input / {16 * [Divisor +2]}
Interrupt Identification Register (IIR)
Port address : 0xf00003fa (COM1)
Read only
Power-on Default : ---
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