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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: 66/79頁
文件大小: 501K
代理商: W90220F
W90220F
66
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.
This bit is set whenever DCD# input has changed state, and it will be reset if the CPU reads
the MSR.
Bits 5
Tailing edge of RI
This bit is set whenever TI# input has changed from high to low, and it will be reset if the
CPU reads the MSR.
Bits 6
DSR# state change
This bit is set whenever DSR# input has changed state, and it will be reset if the CPU reads
the MSR.
Bits 7
CTS# state change
This bit is set whenever CTS# input has changed state, and it will be reset if the CPU reads
the MSR.
Whenever either of MSR[4:7] is set to logic 1, a Modem Status Interrupt is generated if IER[4]=1.
Writing LSR is a null operation (not suggested).
Time Out Register (TOR)
Port address : 0xf00003ff (COM1)
Read/Write
Power-on Default : 0x0
0xf00002ff (COM2)
0
1
2
3
4
5
6
7
TOUT_en
TOUT_cmp
Bits 0
Time-Out (interrupt) enable
The feature of Receiver Time-Out (interrupt) is enable only when TOR[0] = IER[7] = 1.
Bits 1-7 Time-Out (interrupt) comparator
The Time-Out counter is reset and start counting (the counting clock = baud rate) whenever
the RX FIFO receives a new data word. Once the content of Time-Out counter (TOUT_cnt)
is equal to that of Time-Out comparator (TOUT_cmp), a Receiver Time-Out interrupt Irpt_
TOUT) is generated if TOR[0] = IER[7] = 1.
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