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Rainbow Electronics AT86RF231 User Manual

Page 106

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106

8111A–AVR–05/08

AT86RF231

• Bit [5:4] - PA_LT

These register bits control the enable lead time of the internal PA relative to the beginning of the
transmitted frame.

• Bit [3:0] - TX_PWR

These register bits determine the TX output power of the AT86RF231.

Table 9-3.

PA Enable Time Relative to the Start of the Frame (SHR)

Register Bits

Value

PA Lead Time [µs]

PA_LT

0

2

1

4

2

6

3

8

Table 9-4.

AT86RF231 TX Output Power Setting

Register Bits

Value

TX Output Power [dBm]

TX_PWR

0x0

3.0

0x1

2.8

0x2

2.3

0x3

1.8

0x4

1.3

0x5

0.7

0x6

0.0

0x7

-1

0x8

-2

0x9

-3

0xA

-4

0xB

-5

0xC

-7

0xD

-9

0xE

-12

0xF

-17