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 sole and exclusive property of WAVECOM. Not to be distributed or divulged without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son autorisation préalable
6 GND
No Change
No Change
7 VCC
8 GND
9 VCC
10 GND
11 CHG_IN
Higher Vmax, Lower current
Higher Vmax, Lower current
12 GND
No Change
No Change
ADIN4
ADC input range and bit
resolution differs
ADC input range and bit
resolution differs
13
GPIO5
14 ON/OFF
Similar in behaviour
Similar in behaviour
15 SIMVCC
1.8V & 3.0V only
1.8V & 3.0V only
16 SIMDET
No
change
17 SIMRST
No
change
Internally & Externally
supported SIMs
18 SIMDAT
No
change
19 SIMCLK
No
change
20 DAC
PWM
output PWM
output
21 GPIO1
22 GPIO2
23 GPIO3
Input/Output impedance
differs, due to level shifter
interfaces
Logic levels are application-
specific
24 GPIO4
25 VRTC
Interface voltage is different
Interface voltage is different
26 ADIN1
27 ADIN2
ADC input range and bit
resolution differs
ADC input range and bit
resolution differs
28 ADIN3
29 SDA
No change
No change
30 SCL
No change
No change
31 BUZZER
Similar
implementation Similar
implementation
DSR1
32
GPIO7
LED
Input/Output impedance
differs, due to level shifter
interfaces
Logic levels are application-
specific
33
GPIO6
GR4x to GR64
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