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50 trxfbst - start of frame buffer, 51 trxfbend - end of frame buffer, Atmega128rfa1 – Rainbow Electronics ATmega128RFA1 User Manual

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132



8266A-MCU Wireless-12/09

ATmega128RFA1

Bit

3

2

1

0

NA ($17B)

RX_LENGTH3

RX_LENGTH2

RX_LENGTH1

RX_LENGTH0

TST_RX_LENGTH

Read/Write

RW

RW

RW

RW

Initial Value

0

0

0

0

This register contains the frame length information of a received frame. This information
is not stored in the frame buffer. The frame length information is written to this register
after the last received octet.

Bit 7:0 – RX_LENGTH7:0 - Received Frame Length

These bits contain the length of the last received frame.

9.12.50 TRXFBST – Start of frame buffer

Bit

7

6

5

4

3

2

1

0

NA ($180)

TRXFBST7:0

TRXFBST

Read/Write

RW

RW

RW

RW

RW

RW

RW

RW

Initial Value

0

0

0

0

0

0

0

0

First byte of the 128 byte long frame buffer of the TRX24.

Bit 7:0 – TRXFBST7:0 - Frame Buffer Start Byte

9.12.51 TRXFBEND – End of frame buffer

Bit

7

6

5

4

3

2

1

0

NA ($1FF)

TRXFBEND7:0

TRXFBEND

Read/Write

RW

RW

RW

RW

RW

RW

RW

RW

Initial Value

0

0

0

0

0

0

0

0

This register is the last byte of the 128 byte long frame buffer of the radio transceiver.

Bit 7:0 – TRXFBEND7:0 - Frame Buffer End Byte