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參數(shù)資料
| 型號(hào)： | W83877AF |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Multi-Function I/O Port Controller(多功能輸入／輸出口控制器) |
| 中文描述： | MULTIFUNCTION PERIPHERAL, PQFP100 |
| 封裝： | QFP-100 |
| 文件頁(yè)數(shù)： | 9/171頁(yè) |
| 文件大小： | 1634K |
| 代理商： | W83877AF |
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W83877AF
Publication Release Date: Dec. 1996
Preliminary Version 0.52
- 7 -
1.2 Serial Port Interface, continued
SYMBOL
PIN
I/O
FUNCTION
SINA
SINB/IRRX1
30
42
38
IN
t
IN
t
O
8tc
I
8tc
Serial Input. Used to receive serial data from the communication
link.
SOUTA
PIN2IPSEL
UART A Serial Output. Used to transmit serial data out to the
communication link.
During power-on reset, this pin is pulled up internally and is
defined as PIN2IPSEL, which provides the power-on value for
CR16 bit 1 (PIN2IPSEL). A 4.7 k
is recommended when
intends to pull down at power-on reset.
SOUTB
IRTX1
PGMDRQ
43
O
8tc
O
8tc
I
8tc
UART B Serial Output. Used to transmit serial data out to the
communication link.
During power-on reset, this pin is pulled down internally and is
defined as PGMDRQ, which provides the power-on value for
CR16 bit 3 (GMDRQ). A 4.7 k
is recommended when intends
to pull up at power-on reset.
DTRA
PHEFRAS
35
O
8tc
I
8tc
UART A Data Terminal Ready. An active low informs the
modem or data set that the controller is ready to communicate.
During power-on reset, this pin is pulled down internally and is
defined as PHEFRAS, which provides the power-on value for
CR16 bit 0 (HEFRAS). A 4.7 k
is recommended when intends
to pull up at power-on reset.
DTRB
46
O
8t
UART B Data Terminal Ready. An active low informs the
modem or data set that controller is ready to communicate.
RTSA
PPNPCVS
36
O
8tc
I
8tc
UART A Request To Send. An active low informs the modem or
data set that the controller is ready to send data.
During power-on reset, this pin is pulled up internally and is
defined as PPNPCVS, which provides the power-on value for
CR16 bit 2 (PNPCVS). A 4.7 k
is recommended when intends
to pull down at power-on reset.
RTSB
PGOIQSEL
45
O
8tc
I
8tc
UART B Request To Send. An active low informs the modem or
data set that the controller is ready to send data.
During power-on reset, this pin is pulled down internally and is
defined as PGOIQSEL, which provides the power-on value for
CR16 bit 4 (GOIQSEL). A 4.7 k
is recommended when intends
to pull up at power-on reset.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W83877ATD | enhanced version from Winbonds most popular I/O chip W83877F |
| W83877ATF | enhanced version from Winbonds most popular I/O chip W83877F |
| W83877 | WINBOND I/O |
| W83877F | WINBOND I/O |
| W83877TD | I/O chip disk drive adapter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W83877ATD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F |
| W83877ATF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:enhanced version from Winbonds most popular I/O chip W83877F |
| W83877F | 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O |
| W83877TD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O |
| W83877TF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O |
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