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18 IR Remote Controller (REMC3)
18.1 Overview
The REMC3 circuit generates infrared remote control output signals. This circuit can also be applicable to an EL
lamp drive circuit by adding a simple external circuit.
The features of the REMC3 are listed below.
• Outputs an infrared remote control signal.
• Includes a carrier generator.
• Flexible carrier signal generation and data pulse width modulation.
• Automatic data setting function for continuous data transmission.
• Output signal inverting function supporting various formats.
• EL lamp drive waveform can be generated for an application example.
Figure 18.1.1 shows the REMC3 configuration.
Item
Number of channels
Clock
generator
CPU
18.2 Output Pins and External Connections
18.2.1 List of Output Pins
Table 18.2.1.1 shows the REMC3 pin.
Pin name
I/O*
REMO
O
CLPLS
O
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
Table 18.1.1 REMC3 Channel Configuration of S1C31D41
32-pin package
–
REMC3
CLK_REMC3
CLKSRC[1:0]
Carrier signal
CLKDIV[3:0]
DBRUN
MODEN
DBLENBSY
APLENBSY
REMCRST
DBCNT[15:0]
DBCNTRUN
DBIE
control circuit
APIE
Figure 18.1.1 REMC3 Configuration
Table 18.2.1.1 REMC3 Pin
Initial status*
O (L)
IR remote controller transmit data output
O (L)
IR remote controller clear pulse output
* Indicates the status when the pin is configured for the REMC3.
Seiko Epson Corporation
18 IR REMOTE CONTROLLER (REMC3)
48-pin package
1 transmitter channel
CRPER[7:0]
CRDTY[7:0]
generator
DBLEN[15:0]
APLEN[15:0]
Data signal
REMOINV
generator
OUTINVEN
Interrupt
Function
64-pin package
CARREN
PRESET
PRUN
BUFEN
REMO
CLPLS
TRMD
DBIF
APIF
18-1
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