參數(shù)資料
型號(hào): W83627SF
英文描述: W83627F plus Smart Card Reader Interface. VID Control. GP I/O?
中文描述: W83627F加上智能卡閱讀器接口。 VID控制。大獎(jiǎng)賽的I / O?
文件頁數(shù): 20/147頁
文件大?。?/td> 1348K
代理商: W83627SF
W83627SF
PRELIMINARY
Publication Release Date: Nov. 2000
- 13 - Revision 0.60
1.3 Multi-Mode Parallel Port, continued
SYMBOL
AFD#
PIN
46
I/O
OD
12
FUNCTION
OD
12
OD
12
OD
12
PRINTER MODE: AFD#
An active low output from this pin causes the printer to auto feed a
line after a line is printed. Refer to the description of the parallel
port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: DRVDEN0
This pin is for Extension FDD B; its function is the same as the
DRVDEN0 pin of FDC.
EXTENSION 2FDD MODE: DRVDEN0
This pin is for Extension FDD A and B; its function is the same as
the DRVDEN0 pin of FDC.
STB#
47
PRINTER MODE: STB#
An active low output is used to latch the parallel data into the
printer. Refer to the description of the parallel port for the definition
of this pin in ECP and EPP mode.
EXTENSION FDD MODE: This pin is a tri-state output.
EXTENSION 2FDD MODE: This pin is a tri-state output.
-
-
1.4
Serial Port Interface
SYMBOL
CTSA#
CTSB#
PIN
49
78
I/O
IN
t
FUNCTION
Clear To Send. It is the modem control input.
The function of these pins can be tested by reading bit 4 of the
handshake status register.
Data Set Ready. An active low signal indicates the modem or data
set is ready to establish a communication link and transfer data to
the UART.
UART A Request To Send. An active low signal 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 HEFRAS, which provides the power-on value for CR26 bit
6 (HEFRAS). A 4.7 k
is recommended if intends to pull up.
(select 4EH as configuration I/O port
s address)
DSRA#
DSRB#
50
79
IN
t
RTSA#
51
I/O
8t
HEFRAS
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