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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: 63/79頁
文件大小: 501K
代理商: W90220F
W90220F
63
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.
Bits 6-7 Word Length Select
LCR[6:7]
Character length
0 0
0 1
1 0
1 1
5 bits
6 bits
7 bits
8 bits
Modem Control Register (MCR)
Port address : 0xf00003fc (COM1)
Read/Write
Power-on Default : 0x0
0xf00002fc (COM2)
0
1
2
3
4
5
6
7
Reserved
LOOP
OUT2#
OUT1#
RTS#
DTR#
Bits 3
Enable Loop-Back mode
0 = Disable
1 = When loop-back is enable, the following signals is connected internally.
SOUT
connects to
SIN
internally and SOUT pin is fixed logic 1.
DTR#
connects to
DSR#
internally and DTR# pin is fixed logic 1.
RTS#
connects to
CTS#
internally and RTS# pin is fixed logic 1.
OUT1#
connects to
RI#
internally and OUT1# pin is fixed logic 1.
OUT2#
connects to
DCD#
internally and OUT2# pin is fixed logic 1.
Bit 4
Complement version of OUT2# (user-designated output) signal
Bit 5
Complement version of OUT1# (user-designated output) signal
Bit 6
Complement version of RTS# (Request-To-Send) signal
Bit 7
Complement version of DTR# (Data-Terminal-Ready) signal
Writing 0x00 to MCR
set
DTR#, RTS#, OUT1# and OUT2# to logic 1s, while
writing 0x0f to MCR
reset
DTR#, RTS#, OUT1# and OUT2# to logic 0s.
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