Integration Manual
Table Of Contents
- Contents
- Tables
- Figures
- 0. Document History
- 1. Introduction
- 2. Product Concept
- 3. Application Interface
- 4. Antenna Interface
- 5. Electrical, Reliability and Radio Characteristics
- 6. Mechanics
- 7. Board-to-Board Application Connector
- 8. Reference Approval
HMS1 Hardware Interface Description
Confidential / Preliminary
s
HMS1_HD_V01.62 Page 16 of 39 2006-08-21
2.3. Circuit Concept
Figure 2 shows a block diagram of the HMS module and illustrates the major functional
components:
Base band block:
• WCDMA/GSM Baseband Controller
• Power supply unit
• Flash/SDRAM memory
• External Interface, 80 pin board-to-board connector
RF section:
• RF WCDMA Receiver
• RF WCDMA Transmitter
• RF Power Amplifiers
• EPCOS receive SAWs (according to variant – see below)
• Antenna Connector
B2B
Connector
Processor
Power
Management
Transceiver
Receiver
GSM
PA
WCDMA
PA
Frontend
48MHz
32. 786kHz
TCTCXO
19.2 MHz
NAND
Flash
SDRAM
USB
PWR_IND
EMERG_RST
CONTROL
IGT
VEXT
BATT+
VDDLP
Green
Blue
SIM
Card
Holder
Figure 2: HMS1 schematic overview