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CS8130-CS

Multi-Standard Infrared Transceiver

Unspecified 

CS8130

Register 12, Output Pin Control Register

Register

Reset (R)

D3 D2 D1 D0

RXDT RXDH FORT FORH

0101

BIT

RXDT

RXDH

FORT

FORH

NAME

RXD output pin

three-state enable

RXD output pin

high/low enable

FORM/BSY output

pin three-state

enable

FORM/BSY output

pin high/low enable

VALUE

0

1

0

1

0

1

0

1

FUNCTION

R In power down, RXD will go high or low.

In power down, RXD will float.

In power down, RXD will go low, if RXDT = 0

R In power down, RXD will go high, if RXDT = 0

R In power down, FORM/BSY will go high or low.

In power down, FORM/BSY will float.

In power down, FORM/BSY will go low, if FORT = 0

R In power down, FORM/BSY will go high, if FORT = 0

Register 13, Control Register #3

Register

D3 D2 D1 D0

0

0

0 SHDW

Reset (R) 0 0 0 0

BIT

SHDW

NAME

Shadow register set

enable

VALUE

0

1

FUNCTION

R Enable access to registers 0 though 15

Enable access to shadow registers (16 through 31)

Register 15, Status Register

Register

Reset (R)

D3 D2 D1 D0

0 OSCR ERR DMOD

0

00

BIT

NAME

VALUE

FUNCTION

OSCR

Oscillator running

0

Oscillator not running, using external clock input,

flag

oscillator circuit is powered down.

1

Oscillator running, EXTCLK is an output, if enabled.

ERR

Framing error flag

0

R No error

1

A framing error has occurred since the last read of

this bit. Resets after read

DMOD

Detected

0

R IrDA pulse style data format detected

Modulation Type

1

Amplitude modulated carrier style data format

detected

To read this register, write 0000 to address 15. Independent of the setting of the ECHO bit, the CS8130

will transmit the above contents, with an address field of 1111.

18

DS134PP2

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