AMY-5M - Hardware Integration Manual
GPS.G5-MS5-08207-A3
Preliminary
Hardware description
Page 8 of 54
1
Hardware description
1.1
Overview
The AMY-5M is the GPS industry’s smallest standalone receiver. It is a fully tested ROM-based solution that
features the high performance u-blox 5 positioning engine. The AMY-5M has been developed for easy design
and integration, requires no host integration, which enables extremely short times to market.
The AMY-5M offers three different serial interfaces. The receiver features u-blox SuperSense
®
Indoor GPS -and
uses a standard Crystal, which provides fast acquisition and tracking performance at an economical price.
Furthermore, 2-layer PCB integration is supported, which brings additional cost savings.
AMY-5M’s miniature size means that it can be integrated into the smallest portable devices. Advanced
interference suppression mechanisms and innovative RF architecture ensure maximum performance even in
hostile signal environments.
1.2
Architecture
The AMY-5M module consists of two functional parts - the RF and the Baseband sections. See Figure 1 for a
block diagram of the AMY-5M.
The RF Front-End includes the DC-block, the input matching elements, the integrated Low Noise Amplifier (LNA),
the SAW bandpass filter, the u-blox 5 RF-IC and the Crystal.
The Baseband section contains the u-blox 5 Baseband processor. The RTC crystal and additional elements such as
the optional external memory for enhanced programmability and flexibility are optional
RF Front-End
Baseband
Digital IF Filter
SRAM
ROM Code
ARM7TDMI-S
®
GPS / GALILEO
Engine
Power MGM
RTC
Backup RAM
In
te
rf
ac
es
RTC Crystal
(optional)
GPIO
UART
USB
V2.0
DDC
(I
2
C compatible.)
Crystal
F
RF Front-End
Integrated LNA
Fractional
N Synthesizer
Main Power
RF
Input
Matching
Active
antenna
SAW Filter
Backup Battery
AMY-5M
Available
Interfaces
Figure 1:AMY-5M hardware block schematic