GPF16064B

© Generalplus Technology Inc.

Proprietary & Confidential

2

Oct. 31, 2011

Version: 1.4

Table of Contents

PAGE

1. GENERAL DESCRIPTION .......................................................................................................................................................................... 3

2. BLOCK DIAGRAM ...................................................................................................................................................................................... 3

3. FEATURES .................................................................................................................................................................................................. 3

4. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 4

4.1. PAD ASSIGNMENT ................................................................................................................................................................................. 5

4.2. PIN MAP ............................................................................................................................................................................................... 6

5. FUNCTIONAL DESCRIPTIONS .................................................................................................................................................................. 7

5.1. CPU ..................................................................................................................................................................................................... 7

5.2. MEMORY ............................................................................................................................................................................................... 7

5.2.1. SRAM........................................................................................................................................................................................ 7

5.2.2. ROM memory............................................................................................................................................................................ 7

5.3. PLL, CLOCK, POWER MODE................................................................................................................................................................... 7

5.3.1. PLL (Phase Lock Loop)............................................................................................................................................................. 7

5.3.2. System clock ............................................................................................................................................................................. 7

5.4. POWER SAVINGS MODE ......................................................................................................................................................................... 7

5.5. INTERRUPT ............................................................................................................................................................................................ 7

5.6. I/O ........................................................................................................................................................................................................ 7

5.7. TIMER / COUNTER.................................................................................................................................................................................. 8

5.7.1. Timebase .................................................................................................................................................................................. 9

5.8. SLEEP, WAKEUP AND WATCHDOG ........................................................................................................................................................... 9

5.8.1. Wakeup and sleep .................................................................................................................................................................... 9

5.8.2. Watchdog .................................................................................................................................................................................. 9

5.9. SERIAL PERIPHERAL INTERFACE (SPI) .................................................................................................................................................... 9

5.10.IDE TOOLS FUNCTION ......................................................................................................................................................................... 10

5.11. UART FUNCTION ................................................................................................................................................................................. 10

6. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 11

6.1. ABSOLUTE MAXIMUM RATING ................................................................................................................................................................11

6.2. DC CHARACTERISTICS..........................................................................................................................................................................11

6.3. DAC CHARACTERISTICS .......................................................................................................................................................................11

6.4. ADC CHARACTERISTICS (VDD = 3.3V, TA = 25℃) ................................................................................................................................ 12

6.5. LVR CHARACTERISTICS (VDD = 3.3V, TA = 25℃)................................................................................................................................. 12

7. APPLICATION CIRCUIT ........................................................................................................................................................................... 13

8. RESET SIGNAL......................................................................................................................................................................................... 14

9. PACKAGE/PAD LOCATIONS ................................................................................................................................................................... 15

9.1. ORDERING INFORMATION ..................................................................................................................................................................... 15

9.2. PACKAGE INFORMATION ....................................................................................................................................................................... 15

10. DISCLAIMER............................................................................................................................................................................................. 16

11. REVISION HISTORY ................................................................................................................................................................................. 17