IRCC SMSC Corporation, IRCC Datasheet - Page 4

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IRCC

Manufacturer Part Number
IRCC
Description
INFRARED COMMUNICATIONS CONTROLLER
Manufacturer
SMSC Corporation
Datasheet
The Interface Description lists the signals that
are required to place the IrCC in a larger chip-
level context.
There are four groups of signals in this section:
PORT signals, HOST BUS controls, SYSTEM
controls, and CHIP-LEVEL CONFIGURATION
controls.
NAME
NAME
IRRx
IRTx
NAME
nDTR
nDSR
nDCD
nRTS
nCTS
ARx
ATx
CRx
CTx
nRI
(e.g., can be used for high-current drivers for Consumer IR)
SIZE (BITS)
SIZE (BITS)
SIZE (BITS)
1
1
1
1
1
1
1
1
1
1
1
1
Table 2 - COM Port Signals
Table 3 - AUX Port Signals
Table 1 - IR Port Signals
Output
TYPE
Output
Input
TYPE
Output
Output
Output
Input
TYPE
Input
Input
Input
Input
Input
4
PORTS
The four Ports (IR, COM, AUX, and General
Purpose) provide external access for serial data
and controls. The active IrCC encoder is routed
through the Output Multiplexer to either the IR,
COM, or AUX port. The General Purpose port
provides external access for controls that are
independent of the IrCC Block Control bits or the
Output Multiplexer.
Infrared Transmit Data
Infrared Receive Data
Data Terminal Ready
COM Transmit Data
COM Receive Data
Data Carrier Detect
Aux. Transmit Data
Aux. Receive Data
DESCRIPTION
Request to Send
Data Set Ready
DESCRIPTION
DESCRIPTION
Clear To Send
Ring Indicator

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