參數(shù)資料
型號(hào)： FDC37N958FR
廠商： Electronic Theatre Controls, Inc.
英文描述： Notebook I/O Controller with Enhanced Keyboard and System Control
中文描述： 筆記本電腦的I / O控制器，具有增強(qiáng)型鍵盤和系統(tǒng)控制
文件頁(yè)數(shù)： 104/316頁(yè)
文件大?。?/td> 999K
代理商： FDC37N958FR
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SMSC DS – FDC37N958FR
Page 98
Rev. 09/01/99
Infrared Communications Controller (IrCC)
The Infrared Communications Controller is fully
compliant to the IrDA Specification Version 1.1
which includes data rates up to 4 Mbps to
support IrDA-SIRA, IrDA-SIRB, IrDA-HDLC and
IrDA-FIR modes. In addition the IrCC provides
support for ASK-IR, Consumer (TV remote) IR,
and RAW-IR (Host controller has direct access
to the IR bit stream from/to the transceiver
module). It is important to note that the IrCC
block is a superset of UART2. Thus the IrCC
comprises
of
a
UART2
Communications Engine (ACE) and a separate
Synchronous Communications Engine (SCE) to
provide the full set of IR modes as well as the
standard UART Com mode. The IrCC block
details
are
fully
described
specification titled “Infrared Communications
Controller”. The information in this section of the
specification
will
provide
integration of the FIR logic block into the
FDC37N958FR.
The infrared interface provides a two-way wireless
communications port using infrared as a
transmission medium. The IR transmission can
use the standard UART2 TX and RX pins or
optional IRTX2 and IRRX2 pins. These can be
selected through the configuration registers.
IrDA-SIR allows serial communication at baud
rates up to 115K Baud. Each word is sent serially
beginning with a “0” value start bit. A “0” is
signaled by sending a single IR pulse at
Asynchronous
in
SMSC’s
details
the
the beginning of the serial bit time. A “1” is
signaled by sending no IR pulse during the bit
time. Please refer to the AC timing for the
parameters of these pulses and the IrDA
waveform.
The Amplitude Shift Keyed IR allows serial
communication at baud rates up to 19.2K Baud.
Each word is sent serially beginning with a “0”
value start bit. A “0” is signaled by sending a 500
KHz waveform for the duration of the serial bit
time. A “1” is signaled by sending no transmission
the bit time. Please refer to the AC timing for the
parameters of the ASK-IR waveform.
If the Half Duplex option is chosen, there is a time-
out when the direction of the transmission is
changed. This time-out starts at the last bit
transfered during a transmission and blocks the
receiver input until the time-out expires. If the
transmit buffer is loaded with more data before the
time-out expires, the timer is restarted after the
new byte is transmitted. If data is loaded into the
transmit buffer while a character is being received,
the transmission will not start until the time-out
expires after the last receive bit has been
received. If the start bit of another character is
received during this time-out, the timer is restarted
after the new character is received. The time-out
is four character times. A character time is
defined as 10 bit times regardless of the actual
word length being used.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FDC37N958FR-PQFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral (Multifunction) Controller
FDC37N958FRTQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述:
FDC37N971TQFP WAF 制造商:SMSC 功能描述:
FDC37N972 制造商:SMSC 制造商全稱:SMSC 功能描述:Advanced Notebook I/O Controller with Enhanced Keyboard Control and System Management
FDC37N972FBGA 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述:
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