mc68hc908ap8a Freescale Semiconductor, Inc, mc68hc908ap8a Datasheet - Page 205
mc68hc908ap8a
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mc68hc908ap8a
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908AP8A.pdf
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12.9.8 IRSCI Infrared Control Register
The infrared control register contains the control bits for the infrared sub-module.
TNP1 and TNP0 — Transmitter Narrow Pulse Bits
IREN — Infrared Enable Bit
Freescale Semiconductor
•
•
These read/write bits select the infrared transmitter narrow pulse width as shown in
clears TNP1 and TNP0.
This read/write bit enables the infrared sub-module for encoding and decoding the SCI data stream.
When this bit is clear, the infrared sub-module is disabled. Reset clears the IREN bit.
1 = infrared sub-module enabled
0 = infrared sub-module disabled
Enables the infrared sub-module
Selects the infrared transmitter narrow pulse width
Address:
Reset:
Read:
Write:
Figure 12-20. IRSCI Infrared Control Register (IRSCIRCR)
$0047
Bit 7
R
0
TNP1 and TNP0
Table 12-10. Infrared Narrow Pulse Selection
= Unimplemented
00
01
10
11
MC68HC908AP A-Family Data Sheet, Rev. 3
6
0
0
5
0
0
4
0
0
SCI transmits a 3/16 narrow pulse
SCI transmits a 1/16 narrow pulse
SCI transmits a 1/32 narrow pulse
Prescaler Divisor (PD)
R
R
3
0
= Reserved
TNP1
2
0
TNP0
1
0
Table
IREN
Bit 0
0
12-10. Reset
I/O Registers
205
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