MC33410FTA View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC33410FTA

Dual CVSD/PLL Cordless Phone System

Motorola => Freescale 

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37

VCC

Supply input for the audio sections, filters, and CVSD blocks. Allowable range is 2.7 to 5.5 V. Internally

connected to Pins 18 and 27.

38

Rx Digital Input The digital stream from the RF receiver is applied to the data slicer at this pin. Minimum amplitude is 200

mVpp. Hysteresis ≈50 mV.

39

MP2

As an output, this pin provides the recovered clock from the Clock Recovery block. As an input, the CVSD

decoder clock can be applied to this pin. Or this pin may be set to a disabled state. Selection is done

through the mP port. See Table 7. In Data Modem mode, the data to be transmitted is input to this pin.

40

Gnd

Ground for the audio sections, filters, and CVSD blocks. Internally connected to Pins 21 and 30.

41

LO2 Out

Buffered output of the 2nd LO frequency. A pullup resistor is required.

42

43, 45

LO2 VCC

LO2+, LO2–

Supply pin for the 2nd LO. Allowable range is 2.7 to 5.5 V.

A tank circuit is connected to these pins for the 2nd LO.

44

LO2 Ctl

The varactor control pin for the 2nd LO.

46

LO2 Gnd

Ground for the 2nd LO section.

47

LO2 PD

Phase detector charge pump output of the 2nd LO PLL.

48

LO2 Gnd

Ground for the 2nd LO section.

NOTE: 1. All VCC pins must be within ±0.5 V of each other.

MOTOROLA RF/IF DEVICE DATA

11

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