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GPT1001A PDF даташит

Спецификация GPT1001A изготовлена ​​​​«Generalplus» и имеет функцию, называемую «General Touch Sensor Controller».

Детали детали

Номер произв GPT1001A
Описание General Touch Sensor Controller
Производители Generalplus
логотип Generalplus логотип 

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GPT1001A Даташит, Описание, Даташиты
GPT1001A
General Touch Sensor Controller
May 02, 2012
Version 1.0
GENERALPLUS TECHNOLOGY INC. reserves the right to change this documentation without prior notice. Information provided by GENERALPLUS
TECHNOLOGY INC. is believed to be accurate and reliable. However, GENERALPLUS TECHNOLOGY INC. makes no warranty for any errors which may
appear in this document. Contact GENERALPLUS TECHNOLOGY INC. to obtain the latest version of device specifications before placing your order. No
responsibility is assumed by GENERALPLUS TECHNOLOGY INC. for any infringement of patent or other rights of third parties which may result from its use.
In addition, GENERALPLUS products are not authorized for use as critical components in life support devices/systems or aviation devices/systems, where a
malfunction or failure of the product may reasonably be expected to result in significant injury to the user, without the express written approval of Generalplus.









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GPT1001A Даташит, Описание, Даташиты
GPT1001A
Table of Contents
PAGE
1. GENERAL DESCRIPTION .......................................................................................................................................................................... 3
2. FEATURES .................................................................................................................................................................................................. 3
3. APPLICATION FIELD.................................................................................................................................................................................. 3
4. BLOCK DIAGRAM ...................................................................................................................................................................................... 4
5. SIGNAL DESCRIPTIONS............................................................................................................................................................................ 5
5.1. PAD ASSIGNMENT ................................................................................................................................................................................. 6
5.2. PACKAGE PIN ASSIGNMENT ................................................................................................................................................................... 7
5.2.1. LQFP32..................................................................................................................................................................................... 7
5.2.2. SSOP20 .................................................................................................................................................................................... 8
6. FUNCTIONAL DESCRIPTIONS.................................................................................................................................................................. 9
6.1. CPU ..................................................................................................................................................................................................... 9
6.2. MEMORY ............................................................................................................................................................................................... 9
6.2.1. Memory mapping ...................................................................................................................................................................... 9
6.3. I/O PORT............................................................................................................................................................................................... 9
6.3.1. I/O Configuration....................................................................................................................................................................... 9
6.4. PWM .................................................................................................................................................................................................... 9
6.5. SERIAL INTERFACES............................................................................................................................................................................... 9
6.5.1. Serial Interface (SPI Interface).................................................................................................................................................. 9
6.5.2. Serial Interface (I2C Interface)................................................................................................................................................. 10
6.6. LOW VOLTAGE RESET ...........................................................................................................................................................................11
6.7. TIMER/COUNTER ..................................................................................................................................................................................11
7. ELECTRICAL SPECIFICATIONS ............................................................................................................................................................. 12
7.1. ABSOLUTE MAXIMUM RATINGS ............................................................................................................................................................. 12
7.2. DC CHARACTERISTICS (VDD5V = 3.3V, TA = 25) .............................................................................................................................. 12
7.3. AC CHARACTERISTICS ......................................................................................................................................................................... 12
8. APPLICATION CIRCUIT ........................................................................................................................................................................... 14
8.1. CONNECTED TO HOST THROUGH I2C .................................................................................................................................................... 14
8.2. CONNECTED TO HOST THROUGH SPI.................................................................................................................................................... 15
9. PACKAGE / PAD LOCATIONS.................................................................................................................................................................. 16
9.1. ORDERING INFORMATION ..................................................................................................................................................................... 16
9.2. PACKAGE INFORMATION ....................................................................................................................................................................... 17
9.2.1. LQFP32................................................................................................................................................................................... 17
9.2.2. SSOP20 .................................................................................................................................................................................. 18
10. DISCLAIMER............................................................................................................................................................................................. 19
11. REVISION HISTORY ................................................................................................................................................................................. 20
© Generalplus Technology Inc.
Proprietary & Confidential
2
May 02, 2012
Version: 1.0









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GPT1001A Даташит, Описание, Даташиты
GPT1001A
GENERAL TOUCH SENSOR CONTROLLER
1. GENERAL DESCRIPTION
The GPT1001A, a general purpose touch sensor controller, equips
an 8-bit CMOS microprocessor, 8K-byte embedded flash, and
256-byte working SRAM. It allows the control of 24 IOs
configurable as capacitive sensing buttons or GPIOs. Moreover,
three PWMs are built-in to support hardware LED control with hold
and dimming function. The PWM can output to IOB or IOC
individually to produce fancy LED effect with simple program. To
communicate with host devices, the GPT1001A equips SPI or I2C
interfaces. The GPT1001A operates at a wide voltage range of
2.6V – 5.5V. The maximum CPU frequency runs up to 8MHz.
Sleep mode and halt mode are also provided to optimize system
performance and power consumption. The In-Circuit Emulation
(ICE) function is built-in with on-chip re-programmable non-volatile
memory.
2. FEATURES
„ 8-bit microprocessor with ICE function
Embedded flash 8K bytes
SRAM 256 bytes
„ Clock
Built-in 8MHz ROSC
Built-in 30KHz ROSC for time-base function
/1, /2, /4, /8, /16, /32 of 8MHz clock output for CPU
„ Operating Voltage: 2.6V ~ 5.5V
„ Industrial Temperature Range: -40~ 85
„ Operation Modes
Operating mode, Sleep mode, and Halt mode
„ Timer/Counter
8-bit timers with selective clock sources
Programmable auto sleep timer
„ Power management for system reliability
Low-Voltage-Reset function
Power-On-Reset function
Watchdog reset (derived from 30KHz clock)
„ Eight Interrupt /Wakeup sources (INT /WP)
Timer overflow
Counter
IOA[7:0], IOB[7:0], IOC[7:0] key-changed
Serial interface interrupt
Sensor counter interrupt
External interrupt
„ Up to 24 I/Os
IOA[7:0]:programmable as GPIO/Wakeup-able IO/external
INT
IOB[7:0]:programmable as GPIO/Wakeup-able IO/PWM
output
IOC[7:0]:programmable as GPIO/Wakeup-able IO/PWM
output
„ Capacitive sensors
Supports max. 24 capacitive sensor I/Os of individual keys.
Built-in auto sleep/wakeup function to minimize power
consumption during sensing operation.
„ Three PWMs with programmable hold-time and fade-out time
for LED drive
„ SPI slave interface supports different polarity and phase modes
„ I2C slave interface
Note:
(1)The frequency deviation for built-in 8MHz ROSC is +-10% at room
temperature.
(2)The frequency deviation for built-in 30KHz ROSC is +-15% at room
temperature.
3. APPLICATION FIELD
„ Home appliance, MP3 capacitive touch pad controller, toy,
general touch application, or general purpose controller.
© Generalplus Technology Inc.
Proprietary & Confidential
3
May 02, 2012
Version: 1.0










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Номер в каталогеОписаниеПроизводители
GPT1001AGeneral Touch Sensor ControllerGeneralplus
Generalplus

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