MC68HC908AP16CFB datasheet(288/440 Pages) MOTOROLA

288 / 440 page

Infrared Serial Communications

Data Sheet

MC68HC908AP Family — Rev. 2.5

288

MOTOROLA

14.10.8 IRSCI Infrared Control Register

The infrared control register contains the control bits for the infrared sub-

module.

•

Enables the infrared sub-module

•

Selects the infrared transmitter narrow pulse width

TNP1 and TNP0 — Transmitter Narrow Pulse Bits

These read/write bits select the infrared transmitter narrow pulse

width as shown in Table 14-10. Reset clears TNP1 and TNP0.

IREN — Infrared Enable Bit

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

Address:

$0047

Bit 7

654321

Bit 0

Read:

000

TNP1

TNP0

IREN

Write:

Reset:

00000000

= Unimplemented

= Reserved

Figure 14-20. IRSCI Infrared Control Register (IRSCIRCR)

Table 14-10. Infrared Narrow Pulse Selection

TNP1 and TNP0

Prescaler Divisor (PD)

SCI transmits a 3/16 narrow pulse

SCI transmits a 1/16 narrow pulse

SCI transmits a 1/32 narrow pulse

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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