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GPDS207A Datasheet PDF : 17 Pages
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Preliminary
GPDS207A/ GPDS208A
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 3
2. BLOCK DIAGRAM ...................................................................................................................................................................................... 3
3. FEATURES .................................................................................................................................................................................................. 3
4. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 4
4.1. PIN MAP ............................................................................................................................................................................................... 6
4.2. PAD LOCATIONS .................................................................................................................................................................................... 7
5. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 8
5.1. CPU ..................................................................................................................................................................................................... 8
5.2. PLL, CLOCK, POWER MODE................................................................................................................................................................... 8
5.2.1. PLL (Phase Lock Loop)............................................................................................................................................................. 8
5.2.2. System Clock ............................................................................................................................................................................ 8
5.3. POWER SAVINGS MODE ......................................................................................................................................................................... 8
5.4. INTERRUPT ............................................................................................................................................................................................ 8
5.5. I/O ........................................................................................................................................................................................................ 8
5.5.1. GPIO ......................................................................................................................................................................................... 8
5.6. TIMER / COUNTER.................................................................................................................................................................................. 8
5.7. WATCHDOG ........................................................................................................................................................................................... 8
5.8. SERIAL INTERFACE................................................................................................................................................................................. 9
5.8.1. Serial Peripheral Interface (SPI) ............................................................................................................................................... 9
5.8.2. USB Mini-host/Device Function ................................................................................................................................................ 9
5.8.3. I2C Function .............................................................................................................................................................................. 9
5.9. SD/MMC CONTROLLER ......................................................................................................................................................................... 9
5.10.REAL TIME CLOCK (RTC)..................................................................................................................................................................... 10
5.11. ANALOG CONTROL............................................................................................................................................................................... 10
5.11.1.DAC Control ............................................................................................................................................................................ 10
5.11.2.ADC Control ............................................................................................................................................................................ 10
6. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 11
6.1. ABSOLUTE MAXIMUM RATING ................................................................................................................................................................11
6.2. DC CHARACTERISTICS..........................................................................................................................................................................11
6.3. DAC CHARACTERISTICS .......................................................................................................................................................................11
6.4. 10 BITS ADC CHARACTERISTICS (VDD = 3.3V, TA = 25℃) ................................................................................................................... 12
6.5. REGULATOR CHARACTERISTICS............................................................................................................................................................ 12
7. RECOMMENDED BOARD LAYOUT......................................................................................................................................................... 13
7.1. POWER AND GROUND .......................................................................................................................................................................... 13
7.2. CRYSTAL AND PLL ............................................................................................................................................................................... 13
8. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 14
8.1. ORDERING INFORMATION ..................................................................................................................................................................... 14
8.2. PACKAGE INFORMATION ....................................................................................................................................................................... 14
9. DISCLAIMER............................................................................................................................................................................................. 16
10. REVISION HISTORY ................................................................................................................................................................................. 17
© Generalplus Technology Inc.
2
Proprietary & Confidential
MAY 14, 2009
Preliminary Version: 0.1
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