GPF8F Series

© Generalplus Technology Inc.

Proprietary & Confidential

2

Aug. 03, 2018

Version: 1.1

Table of Contents

PAGE

1

GPF8F SERIES:...................................................................................................................................................................................... 4

2

GENERAL DESCRIPTION...................................................................................................................................................................... 4

3

FEATURES ............................................................................................................................................................................................. 4

4

APPLICATION FIELD ............................................................................................................................................................................. 4

5

BLOCK DIAGRAM.................................................................................................................................................................................. 5

6

SIGNAL DESCRIPTIONS ....................................................................................................................................................................... 6

6.1 LQFP64 PACKAGE PIN ASSIGNMENT .................................................................................................................................................. 7

6.2 LQFP48 PACKAGE PIN ASSIGNMENT .................................................................................................................................................. 8

7

FUNCTION DESCRIPTIONS .................................................................................................................................................................. 9

7.1 CPU ................................................................................................................................................................................................ 9

7.2 MEMORY........................................................................................................................................................................................... 9

7.2.1 SRAM ................................................................................................................................................................................... 9

7.2.2 Embedded Flash................................................................................................................................................................... 9

7.3 PLL, CLOCK, POWER MODE............................................................................................................................................................... 9

7.3.1 PLL (Phase Lock Loop)......................................................................................................................................................... 9

7.4 STANDBY MODE ................................................................................................................................................................................ 9

7.5 LOW VOLTAGE DETECTION AND LOW VOLTAGE RESET.......................................................................................................................... 9

7.5.1 Low voltage detection (LVD).................................................................................................................................................. 9

7.5.2 Low voltage reset .................................................................................................................................................................. 9

7.6 INTERRUPT ....................................................................................................................................................................................... 9

7.7 I/O ................................................................................................................................................................................................... 9

7.8 SPECIAL FUNCTION IN PORT............................................................................................................................................................. 10

7.9 TIMER / COUNTER ........................................................................................................................................................................... 10

7.9.1 Compare, Capture and PWMIO .......................................................................................................................................... 10

7.9.2 I2C Control Module ............................................................................................................................................................. 10

7.9.3 Timebase ............................................................................................................................................................................ 10

7.10 CAPACITANCE TOUCH SENSOR (CTS) AND CTS TIMERS..................................................................................................................... 10

7.11 SLEEP MODE, WAKEUP, HALT MODE, AND WATCHDOG ....................................................................................................................... 10

7.11.1 Sleep and wakeup modes ................................................................................................................................................... 10

7.11.2 Watchdog Reset.................................................................................................................................................................. 11

7.12 ADC (ANALOG TO DIGITAL CONVERTER) ........................................................................................................................................... 11

7.12.1 ADC for Line-in ................................................................................................................................................................... 11

7.12.2 ADC for microphone-in........................................................................................................................................................ 11

7.13 SPU AND SOFTWARE CHANNEL........................................................................................................................................................ 11

7.14 UART INTERFACE ........................................................................................................................................................................... 11

7.15 SPIFC............................................................................................................................................................................................ 11

7.15.1 SPI2.................................................................................................................................................................................... 11

7.16 AUDIO OUTPUT ............................................................................................................................................................................... 12

8

ELECTRICAL SPECIFICATIONS.......................................................................................................................................................... 13

8.1 DC CHARACTERISTICS (VDD_REGIN = 4.5V, VDDIO = 4.5V (IOA & IOB ), TA = 25℃) ...................................................................... 13

8.2 DC CHARACTERISTICS (VDD_REGIN = 3.3V, VDDIO = 3.3V (IOA & IOB), TA = 25℃) ....................................................................... 13

8.3 SAR ADC CHARACTERISTICS (VDD_IOB = 3.3V, TA = 25℃)............................................................................................................. 14

8.4 AUDIO ADC CHARACTERISTICS (VDD_ADC = 3.0V, TA = 25℃) ......................................................................................................... 14

8.5 DAC CHARACTERISTICS (VDD_DAC = 5.0V, TA = 25℃) ................................................................................................................... 15

8.6 REGULATOR CHARACTERISTICS (TA = 25℃) ...................................................................................................................................... 15