Micrel

MICRF506BML/YML

Table 9: PAbuffer bias current setting

PA_IB2

PA_IB1

PA_IB0

State

0

0

0

PAbuffer uses bias current from PTATBias source, external resistor (Pin 2)

0

0

1

PAbuffer uses bias current from separate bias source, external resistor (Pin 8)

0

1

0

PAbuffer uses bias current from internal bias source, lowest current

0

1

1

PAbuffer uses bias current from internal bias source

1

0

0

PAbuffer uses bias current from internal bias source, typical current

1

0

1

PAbuffer uses bias current from internal bias source

1

1

0

PAbuffer uses bias current from internal bias source

1

1

1

PAbuffer uses bias current from internal bias source, highest current

Table 10: Frequency Error Estimation control bit

FEEC_1

FEEC_0

FEE Mode

0

0

Off

0

1

Counting UP pulses

1

0

Counting DN pulses

1

1

Counting UP and DN pulses. UP increments the

counter, DN decrements it.

Table 11: Frequency Error Estimation control bit, cont.

FEEC_3

FEEC_2

No. of DEMOD_DT bit used during the

measurement.

0

0

8

0

1

16

1

0

32

1

1

64

July 2006

42

M9999-092904

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