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參數(shù)資料
型號(hào): W90210F
廠(chǎng)商: WINBOND ELECTRONICS CORP
元件分類(lèi): 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, MROM, RISC MICROCONTROLLER, PQFP208
封裝: PLASTIC, QFP-208
文件頁(yè)數(shù): 35/67頁(yè)
文件大小: 297K
代理商: W90210F
W90210F
35
Version 1.4, 10/8/97
The above information is the exclusive intellectual property of Winbond Electronics Corp. and shall not be disclosed, distributed or reproduced without permssion fromWinbond.
3.
Interrupt Identification:
IIR[4]
-
0
0
0
1
0
IIR[5]
-
0
0
1
1
1
IIR[6]
-
0
1
0
0
1
IIR[7]
1
0
0
0
0
0
Priority
Irpt type
None
Irpt_MOS
Irpt_THRE
Irpt_RDA
Irpt_TOUT
Irpt_RLS
-
4th
3rd
2nd
2nd
1st
* Irpt_RLS- caused by: Overrun Error or Parity Error or Framing Error or Break Interrupt.
- reset by: Reading LSR.
* Irpt_RDA- caused by: Received data >= RCVR trigger level.
- reset by: Reading RBR or RCVR FIFO drops below the trigger level.
* Irpt_TOUT- caused by: RCVR FIFO is non-empty and have not been accessed (Read/write) for the
time >= TOUR[1:7].
- reset by: Reading RBR.
* Irpt_THRE- caused by: THRE has been set.
- reset by: Reading IIR (if source of INTR is Irpt_THRE) or writing THR.
* Irpt_MOS- MODEM Status interrupt: Non-implemented.
4.
RCVR Interrupt trigger level programing:
FCR[0]
0
0
1
1
FCR[1]
0
1
0
1
Trigger level
1 bytes
4 bytes
8 bytes
14 bytes
5.
FCR[7] is always 1. Write FCR[7] to 0 has no effect.
6.
Transmitter/Receiver Character length programing:
LCR[6]
0
0
1
1
LCR[7]
0
1
0
1
Character length
5 bits
6 bits
7 bits
8 bits
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