Migration Guide Differences Between GR64 and GR4x Wireless CPU® Devices Reference: WI_DEV_GR64_DVD_001 Version: 002 Date: April 18, 2007

GR4x to GR64 Migration Guide 2.2.3 UARTs The GR64 has only two UART interfaces, unlike its predecessors which had three. For legacy reasons the si

GR4x to GR64 Migration Guide 2.2.5 PCM Audio The GM/GR4x series implemented a PCM (digital) audio feature which permitted the user to access the in

GR4x to GR64 Migration Guide Fig B: GR4x implementation showing the PCM interfacing with an external DSP Fig C: GR64 integrated SIM variant showi

GR4x to GR64 Migration Guide Fig D: GR64 Legacy variant showing removal of incompatible signal connectivity Figures A through D illustrate the dif

GR4x to GR64 Migration Guide 2.2.6 SIM Interface The GR64 has support for 1.8V and 3.0V SIM cards, unlike the predecessor series which supported 3.

GR4x to GR64 Migration Guide 2.2.11 Mechanical Form Factor The GR64 modem circuitry is significantly different to the predecessor device, being far

GR4x to GR64 Migration Guide 3 Product Comparison This section compares the GR64 with its predecessor GR47/48 products, since these are the product

GR4x to GR64 Migration Guide Migration Guide This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without

GR4x to GR64 Migration Guide Migration Guide This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without

GR4x to GR64 Migration Guide 3.2 Specific Signal Differences The major differences between GR64 and its predecessors were summarized in section 2.

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GR4x to GR64 Migration Guide Pin Name GR64 Legacy Variant GR64 New Variant 1 VCC 2 GND 3 VCC 4 GND 5 VCC Migration Guide This document is the s

GR4x to GR64 Migration Guide Migration Guide This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without

GR4x to GR64 Migration Guide 3.2.2 Charging Input Pin GR64 GR4x Functional Difference 11 CHG_IN CHG_IN Input range, current limit, charge behav

GR4x to GR64 Migration Guide 3.2.5 Real Time Clock Voltage Pin GR64 GR4x Functional Difference 25 VRTC VRTC Voltage range The GR4x and GR64 Real

GR4x to GR64 Migration Guide For the new variant GR64, the VREF pin is configured as an input. In this arrangement he user provides a reference vol

GR4x to GR64 Migration Guide 3.2.10 ALARM Pin GR64 GR4x Functional Difference 48 ALARM PCMDLD PCM CODEC interface does not exist The former PCMD

GR4x to GR64 Migration Guide 3.3 General Signal Differences 3.3.1 Audio Interfaces The behavior of the audio interfaces from an electrical signal

GR4x to GR64 Migration Guide 3.3.2 Multiplexed Signal Functions The GR4x series multiplexes a number of signals to provide additional feature suppo

GR4x to GR64 Migration Guide 3.4.1 Signal Behaviour The LED interface (pin 33) power mode and network connection status indication properties may d

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GR4x to GR64 Migration Guide 4 Mechanical Comparisons The GR4x and GR64 products are shown as mechanical views below. Clearly, the mechanical moun

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GR4x to GR64 Migration Guide 1 Target Users The GR64 wireless modems are designed to be integrated into machine-to-machine or man-to-machine commun

GR4x to GR64 Migration Guide 2 Product Differences This section identifies the major differences between GR64 and the predecessor GR47/48 products.

GR4x to GR64 Migration Guide GR64 Variants Quick Guide GR64 Product GR64001 GR64002 Integrated SIM holder NO YES RTC Alarm interface NO YES Di

GR4x to GR64 Migration Guide GPRS Multislot Class Support Migration Guide This document is the sole and exclusive property of WAVECOM. Not to be di