参数资料
型号: 37C669
厂商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 电脑98/99顺从超级I / O软盘控制器与红外线支持
文件页数: 24/164页
文件大小: 621K
代理商: 37C669
12
DESCRIPTION OF PIN FUNCTIONS
QFP/
TQFP
PIN NO.
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
77
nStrobe Output
nSTROBE
OD24
0P24
An active low pulse on this output is used to
strobe the printer data into the printer. The
nSTROBE output is the complement of bit 0
of the Printer Control Register.
Refer to Parallel Port description for use of
this pin in ECP and EPP mode.
61
Busy
BUSY
I
This is a status output from the printer, a
high indicating that the printer is not ready
to receive new data.
Bit 7 of the Printer
Status Register is the complement of the
BUSY
input.
Refer
to
Parallel
Port
description for use of this pin in ECP and
EPP mode.
62
nAcknowledge
nACK
I
A
low
active
output
from
the
printer
indicating that it has received the data and
is ready to accept new data.
Bit 6 of the
Printer Status Register reads the nACK
input. Refer to Parallel Port description for
use of this pin in ECP and EPP mode.
60
Paper End
PE
I
Another status output from the printer, a
high indicating that the printer is out of
paper. Bit 5 of the Printer Status Register
reads the PE input. Refer to Parallel Port
description for use of this pin in ECP and
EPP mode.
59
Printer Selected
Status
SLCT
I
This high active output from the printer
indicates that it has power on. Bit 4 of the
Printer Status Register reads the SLCT
input. Refer to Parallel Port description for
use of this pin in ECP and EPP mode.
75
nError
nERROR
I
A low on this input from the printer indicates
that there is a error condition at the printer.
Bit 3 of the Printer Status register reads the
nERR
input.
Refer
to
Parallel
Port
description for use of this pin in ECP and
EPP mode.
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