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MT3333 View Datasheet(PDF) - MediaTek Inc

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MT3333 Datasheet PDF : 26 Pages
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MT3333 All-in-One GNSS Datasheet
Table of contents
1. Introduction........................................................................................................................................ 1
1.1. Overview.............................................................................................................................................1
1.2. Features .............................................................................................................................................. 2
2. Pin Assignment and Descriptions......................................................................................................... 1
2.1. Pin descriptions .................................................................................................................................. 1
3. System Block Diagram ......................................................................................................................... 3
4. Radio Subsystem Features................................................................................................................... 4
4.1. Low Noise Amplifier (LNA) and mixer.................................................................................................4
4.2. Voltage Controlled Oscillator (VCO) and synthesizer .........................................................................4
4.3. Low Pass Filter (LPF) ........................................................................................................................... 4
4.4. Analog-to-Digital Converter (ADC)......................................................................................................4
4.5. Active Interference Canceller (AIC)..................................................................................................... 4
5. Processor Subsystem Features............................................................................................................. 5
5.1. ARM7EJ-S ............................................................................................................................................ 5
5.2. Cache .................................................................................................................................................. 5
5.3. Boot ROM ........................................................................................................................................... 5
5.4. Real Time Clock (RTC) ......................................................................................................................... 5
5.5. Switching Mode Power Supply (SMPS)...............................................................................................5
5.6. Timer function .................................................................................................................................... 5
5.7. General Purpose Input/Output (GPIO) in the RTC domain.................................................................5
5.8. Low power detection..........................................................................................................................6
5.9. Clock module ...................................................................................................................................... 6
5.10. Reset controller .................................................................................................................................. 6
5.11. Serial interfaces .................................................................................................................................. 7
5.12. Interrupt control unit..........................................................................................................................8
5.13. Flash.................................................................................................................................................... 8
5.14. General-Purpose Input/Output (GPIO) unit ....................................................................................... 8
5.15. Pulse Per Second (PPS) output ........................................................................................................... 8
5.16. External Clock (ECLK) pin .................................................................................................................... 8
5.17. SYNC.................................................................................................................................................... 8
5.18. Power scheme .................................................................................................................................... 9
6. Electrical Characteristics.................................................................................................................... 12
6.1. DC characteristics ............................................................................................................................. 12
6.2. Analog characteristics.......................................................................................................................14
7. Interface Characteristics .................................................................................................................... 17
7.1. RS-232 interface timing .................................................................................................................... 17
7.2. SPI interface timing...........................................................................................................................17
7.3. I2C interface timing .......................................................................................................................... 18
8. Package Description .......................................................................................................................... 19
8.1. Ordering information........................................................................................................................19
8.2. Top mark...........................................................................................................................................19
© 2016 - 2017 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).
Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.
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