APPOTECH CW6632B - IR Receiver Control Registers

9 IR receiver 81
CW6632B Bluetooth 3.0 Audio Player SOC Version 1.0.0
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9.2 IR Receiver Control Registers
Register 9-1 IRCON0 – IR receiver control 0 register
Position
7
6
5
4
3
2
1
0
Name
-
-
-
IRPINSEL
IRREPEAT
IRPND
IRIE
IREN
Default
0
0
0
0
0
0
0
0
Access
RO
RO
RO
R/W
RO
R/W
R/W
R/W
IRPINSEL: IR input pin select
0 = P07 as IR receiver input
1 = P33 as IR receiver input
IRREPEAT: IR receiver repeating data
0 = Not repeat
1 = Repeat
IRPND: IR receiver done
0 = Undone
1 = Done
IRIE: IR interrupt enable
0 = Disabled
1 = Enabled
IREN: IR enable
0 = Disabled
1 = Enabled
Register 9-2 IRCON1 – IR receiver control 1 register
Position
7
6
5
4
3
2
1
0
Name
IRCON1
Default
0
0
0
0
0
0
0
0
Access
WO
WO
WO
WO
WO
WO
WO
WO
The IRCON1 is the entrance for five 8-bit control registers: ONEFULL, ZEROCYC, REPEATCNT, ENDCONT and
BEGINCNT. And IRCON1 must be written five times to update all the five control registers.
First time for the ONEFULL.
Position
7
6
5
4
3
2
1
0
Name
ONEFULL
Default
1
0
0
1
1
1
0
0
When IR clock is 1 MHz, ONEFULL*16*CLKCYC us is the time of IRDATA error. It is recommended to set ONEFULL
to 0x9C. (NOTE: ONEFULL*16 > BIT 1 cycle),
When IR clock is 32 KHz, ONEFULL*CLKCYC us is the time of IRDATA error. It is recommended to set ONEFULL to
0x5E(NOTE: ONEFULL*8 > BIT 1 cycle)
Second time for the ZEROCYC.