IRCC SMSC Corporation, IRCC Datasheet - Page 36
IRCC
Manufacturer Part Number
IRCC
Description
INFRARED COMMUNICATIONS CONTROLLER
Manufacturer
SMSC Corporation
Datasheet
1.IRCC.pdf
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Register Block Two contains the Consumer IR
Consumer IR Control Register (Address 0)
Sync Bit, bit 7
The Sync Bit enables the receiver bit-rate clock
synchronization mechanisim. When the Sync bit
is one, receiver edge synchronization is enabled.
Carrier Off, bit 2
The Carrier Off bit bypasses the Consumer IR
Carrier generator/receiver. When the Carrier Off
bit is one, the transmitter outputs a non-
modulated SCE NRZ serial data stream at the
programmed bit rate. Also, when the Carrier Off
bit is one, the receiver does not attempt to
demodulate a carrier from the incoming data
stream and samples the state of the PIN diode at
the programmed bit rate.
A2
0
0
0
0
1
1
1
Address
A1
0
0
1
1
0
0
1
A0
0
1
0
1
0
1
0
Direction
R/W
R/W
R/W
sync
D7
bit
Table 24 - Register Block Two
D6
Consumer IR (TV Remote) Control Register
Consumer IR Carrier Rate Register
Consumer IR Bit Rate Register
D5
36
registers (Table 24).
Carrier Range, bits 0 - 1
The Consumer IR Carrier Range Bits set the
carrier detect sensitivity of the receiver.
effects of this register are shown in Table 11 -
Receive Carrier Sense Range.
Consumer IR Carrier Rate Register
(Address 1)
The
programs the ASK carrier frequency divider. The
effects of this register are shown in Table 9-
Representative Carrier Frequencies.
Consumer IR Bit Rate Register (Address2)
The Consumer IR Bit Rate Register programs
the transmit and receive bit-rate divider.
effects of this register are shown in Table 10 -
Representative Bit Rates.
Description
D4
Consumer
D3
carrier
D2
off
IR
Carrier
carrier range
D1
bits
D0
Rate
Default
'00'hex
'29'hex
'37'hex
Register
The
The
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