8-bit ultralow power touch sensing microcontroller with 16 Kbytes
Contents
1.2. kyy STM8T850C4 STM8T850G4 8 bit ultralow power touch sensing microcontroller with 16 Kbytes Flash ProxSense timers USART SPI l2C Features m Operating conditions Operating power supply 1 65 V to 3 6 V Temperature range 40 C to 85 C m Low power features 4 low power modes Wait Active halt with AWU 1 pA Active halt with ProxSense 10 pA with scan every 200 ms Halt 0 4 pA Dynamic power consumption 150 pA MHz Fast wakeup from Halt mode 4 7 us Ultralow leakage per 1 0 50 nA m Advanced STM8 Core Harvard architecture with 3 stage pipeline Max freg 16 MHz 16 CISC MIPS peak m Memories Upto 16 Kbytes of Flash program including up to 2 Kbytes of data EEPROM Error correction code ECC Flexible write and read protection modes In application and in circuit programming Data EEPROM capability 4 Kbytes of static RAM m Clock management Internal 16 MHz factory trimmed RC Internal 38 kHz low consumption RC driving both the IWDG and the AWU m Reset and supply management Ultralow power ultrasafe power on reset power down reset m Interrupt management Nested interrupt controller with software Data brief i UFQFPN48 7x7 mm m UFQFPN28 4x4 mm m ProxSense patented acquisition technology with up to 300 touch sensing channels 20 receiver transmit channels and 15 transmit channels supporting pr
3. write and verify of your STM8 microcontroller s Flash program memory data EEPROM and option bytes STVP also offers project mode for saving programming configurations and automating programming sequences Doc ID 018799 Rev 1 ky STM8T850xx STM8 development tools 4 1 2 4 2 STM STUDIO STM STUDIO helps debug and diagnose STM8 and STM32 applications while they are running by reading and displaying their variables in real time STM STUDIO perfectly complements traditional debugging tools to fine tune applications It is well suited for debugging applications which cannot be stopped such as Touchsensing applications Its easy to use graphical interface features e Non intrusive read on the fly variables from RAM while the application is running Parse DWARF debugging information in the ELF application executable file e Possibility to log data into a file and replay later exhaustive record display not real time 2 types of viewers Variable viewer Real time waveforms oscilloscope like graphs TouchPoint viewer Association of 2 variables one on the X axis one on the Y axis C and assembly toolchains Control of C and assembly toolchains is seamlessly integrated into the STVD integrated development environment making it possible to configure and control the building of your application directly from an easy to use graphical interface Available toolchains include Cosmic C compiler for STM8 One free
4. version that outputs up to 32 Kbytes of code is available For more information see www cosmic software com JAR embedded workbench The C compiler for STM8 which is included in the toolset is free for up to 8Kbytes of code For more information see www iar com Raisonance C compiler for STM8 One free version that outputs up to 32 Kbytes of code For more information see www raisonance com STM8 assembler linker Free assembly toolchain included in the STVD toolset which allows you to assemble and link your application source code Programming tools During the development cycle STice provides in circuit programming of the STM8 Flash microcontroller on your application board via the SWIM protocol Additional tools are to include a low cost in circuit programmer as well as ST socket boards which provide dedicated programming platforms with sockets for programming your STM8 For production environments programmers will include a complete range of gang and automated programming solutions from third party tool developers already supplying programmers for the STM8 family Doc ID 018799 Rev 1 11 13 Revision history STM8T850xx 5 12 13 Revision history Table 5 Document revision history Date 10 May 2001 1 Revision 1 Initial release Changes Doc ID 018799 Rev 1 STM8T850xx Please Read Carefully Information in this document is provided solely in connection
5. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE ST PRODUCTS WHICH ARE NOT SPECIFIED AS AUTOMOTIVE GRADE MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER S OWN RISK Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2011 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Philippines Singapore Spain Sweden Switzerland United Kingdom United States of America www st com ki Doc ID 018799 Rev 1 13 13
6. eper CPU frequency 16 MHz Operating voltage 1 65 to 3 6 V Operating temperature 40 to 85 C Packages UFQFPN48 UFQFPN28 4 Doc ID 018799 Rev 1 3 13 Description STM8T850xx 1 2 Product overview Figure 1 STM8T850 device block diagram Voo 16 MHz internal _ Power Voo 1 65 V RC Clock to 3 6 V Vonis lt 5 Voltage reg C Controller and Y CSS Supply supervisor 38 kHz internal RC m gt PDR 4 POR PDR L NRST STMB8 core Clocks to core and peripherals 16 Kbytes program memory Debug module SWIM Nested interrupt controller Up to 20 external interrupts a 4 Kbytes RAM PXS_VREG Voltage reg PXS_RX 0a 9a 0b 9b lt PXS_TX 0 14 C ProxSense PXS_RFIN lt PXS_TRIGC Je AWU 38 kHz clock 16 MHz dedicated internal RC IWDG 38 kHz clock SCL SDACL 12C MOSI MISO SCK NSS lt SPI WWDG RX TX CK lt L H USART Beeper J gt BEEP Address control and data bases TILLITI vo 16 bit timer 2 Port A L gt PAI7 0 16 bit timer 3 Port B gt PB 6 0 Port D L gt PDI7 0 8 bit timer 4 MS19122V3 Legend AWU Auto wakeup unit Int RC int
7. ernal RC oscillator l2C Inter integrated circuit multimaster interface POR PDR Power on reset power down reset SPI Serial peripheral interface SWIM Single wire interface module USART Universal synchronous asynchronous receiver transmitter IWDG Independent watchdog WWDG Window watchdog ProxSense capacitive sensing peripheral 4 4 13 Doc ID 018799 Rev 1 STM8T850xx Package characteristics 2 Package characteristics 2 1 ECOPACK In order to meet environmental requirements ST offers these devices in different grades of ECOPACK packages depending on their level of environmental compliance ECOPACK specifications grade definitions and product status are available at www st com ECOPACK is an ST trademark 2 2 Package mechanical data Figure 2 UFQFPN48 48 lead ultra thin fine pitch quad flat no lead package outline 7x7 D1 E1 Pin 1 Identifier Seating Al MS19125V1 1 Drawing is not to scale Doc ID 018799 Rev 1 5 13 Package characteristics STM8T850xx 6 13 Figure 3 UFQFPN48 recommended footprint 7 30 L a C C C 6 20 CJ 0 20 m E C 7 30 E 5 68 5 80 C C 5 60 C L 0 30 L E 055 2 0 75 l 1 1 5 80 0 50 MS19124V1 1 Dra
8. he use of a common set of development tools The STM8T850C4 G4 devices feature the enhanced STM8 CPU core providing increased processing power up to 16 MIPS at 16 MHz while maintaining the advantages of a CISC architecture with improved code density a 24 bit linear addressing space and an optimized architecture for low power operations It uses a ProxSense charge transfer capacitive acquisition method that is capable of near range proximity detection The family includes an integrated debug module with a hardware interface SWIM which allows non intrusive in application debugging and ultrafast Flash programming All STM8T850C4 G4 microcontrollers feature low power low voltage single supply program Flash memory All devices of the STM8T850C4 G4 product line provide the following benefits e Advanced capacitive sensing Patented ProxSense acquisition engine providing high end acquisition filtering and environment adaptation Outstanding signal to noise ratio for touch and proximity sensing Up to 300 projected capacitive channels e Reduced system cost Up to 16 Kbytes of low density embedded Flash program memory including up to 2 Kbytes of data EEPROM High system integration level with internal clock oscillators and watchdogs Smaller battery and cheaper power supplies e Low power consumption and advanced features Upto16 MIPS at 16 MHz CPU clock frequency Less than 150 UA MHz 0 8 pA in Active halt
9. ions are in millimeters Table 4 UFQFPN28 28 lead ultra thin fine pitch quad flat no lead package 4x4 package mechanical data mm inches Dim Min Typ Max Min Typ Max A 0 5 0 55 0 6 0 0197 0 0217 0 0236 Al 0 0 02 0 05 0 0 0008 0 002 A3 0 152 0 0060 0 18 0 25 0 3 0 0071 0 0098 0 0118 D 4 0 1575 4 0 1575 e 0 5 0 0197 L1 0 25 0 35 0 45 0 0098 0 0138 0 0177 L2 0 3 0 4 0 5 0 0118 0 0157 0 0197 ddd 0 08 0 0031 Number of pins N 28 1 Values in inches are converted from mm and rounded to 4 decimal digits 4 8 13 Doc ID 018799 Rev 1 STM8T850xx Device ordering information 3 Device ordering information Figure 5 STM8T850xx ordering information scheme Example STM8 T 850 G 4 U 6 TR Device type STMB8 microcontroller family Product type T Touch Sensing Sub family type 850 Projected Capacitive sub family Pin count G 28 pins C 48 pins Program Memory Size 4 16 Kbyte Package type U UFQFPN Temperature range 6 40 C to 85 C Shipping TR Tape amp Reel Blank Tray 1 Fora list of available options e g memory size package and orderable part numbers or for further information on any aspect of this device please go to www st com or contact the ST Sales Office nearest to you 4 Doc ID 018799 Rev 1 9 13 STM8 de
10. mode with AWU and 0 3 pA in Halt mode Clock gated system and optimized power management Short development cycles Application scalability across a common family product architecture with compatible pinout memory map and modular peripherals Full documentation and a wide choice of development tools Product longevity Advanced core and peripherals made in a state of the art technology Product family operating from 1 65 V to 3 6 V supply For complete information on the microcontroller memory registers and peripherals please refer to the STM8T850xx reference manual RM0060 and to the STM8T850 Flash programming manual PM0077 for Flash memory related information For information on the debug module and SWIM single wire interface module refer to the STM8 SWIM communication protocol and debug module user manual UM0470 Note ProxSense is a trademark of Azoteq Pty Ltd 2 13 Doc ID 018799 Rev 1 ky STM8T850xx Description 1 1 Device overview Table 2 Device features Features STM8T850C4 STM8T850G4 Flash Kbytes 16 Data EEPROM Kbytes 2 RAM Kbytes 4 Basic 1 8 bit peer rae 2 16 bit SPI 1 a 2c USART 1 GPIOs 23 17 Up to 300 touch sensing Up to 72 touch sensing Proxoenge n A ee eila NN and 15 transmit channels and 9 transmit channels Window watchdog independent watchdog two 16 MHz Others and one 38 kHz internal RC auto wakeup counter be
11. ojected capacitive acquisition method suitable for proximity detection m Timers Two 16 bit general purpose timers TIM2 and TIM3 with up and down counter and 2 channels used as IC OC PWM One 8 bit timer TIM4 with 7 bit prescaler Independent watchdog Window watchdog Auto wakeup unit Beeper timer with 1 2 or 4 kHz frequencies Communication interfaces SPI synchronous serial interface Fast I C Multimaster slave 400 kHz USART with fractional baud rate generator m Development support Hardware single wire interface module SWIM for fast on chip programming and non intrusive debugging In circuit emulation ICE m 96 bit unique ID Priority control Table 1 Device summary Up to 22 external interrupt sources 7 m I Os Order code Package Up to 23 with 22 mappable on external STM8T850C4 UFQFPN48 interrupt vectors STM8T850G4 UFQFPN28 ProxSense is a trademark of Azoteq Pty Ltd May 2011 Doc ID 018799 Rev 1 1 13 For further information contact your local STMicroelectronics sales office www st com Description STM8T850xx 1 Description The STM8T850C4 G4 devices are based on a generic set of state of the art peripherals The modular design of the peripheral set allows the same peripherals to be found in different ST microcontroller families including 32 bit families This makes any transition to a different family very easy and simplified even more by t
12. velopment tools STM8T850xx 4 4 1 10 13 STM8 development tools Development tools for the STM8 microcontrollers include the full featured STice advanced in circuit emulation system supported by a complete software tool package including C compiler assembler and integrated development environment with high level language debugger In addition the STM8 is to be supported by a complete range of tools including starter kits evaluation boards and a low cost in circuit debugger programmer Software tools STM8 development tools are supported by a complete free software package from STMicroelectronics that includes ST Visual Develop STVD IDE and the ST Visual Programmer STVP software interface STVD provides seamless integration of the Cosmic and Raisonance C compilers for STM8 A free version that outputs up to 32 Kbytes of code is available STM8 toolset STMB8 toolset with STVD integrated development environment and STVP programming software is available for free download at www st com This package includes ST Visual Develop STVD Full featured integrated development environment from ST featuring Seamless integration of C and ASM toolsets Full featured debugger Project management Syntax highlighting editor Integrated programming interface Support of advanced emulation features for STice such as code profiling and coverage ST Visual Programmer STVP Easy to use unlimited graphical interface allowing read
13. wing is not to scale 2 Dimensions are in millimeters Doc ID 018799 Rev 1 ky STM8T850xx Package characteristics Table 3 UFQFPN48 48 lead ultra thin fine pitch quad flat no lead package 7x7 package mechanical data mm inches Dim Min Typ Max Min Typ Max A 0 800 0 900 1 000 0 0315 0 0354 0 0394 Al 0 020 0 050 0 0008 0 0020 A2 0 650 1 000 0 0256 0 0394 A3 0 200 0 0079 0 180 0 250 0 300 0 0071 0 0098 0 0118 D 6 850 7 000 7 150 0 2697 0 2756 0 2815 D1 6 750 0 2657 D2 E 6 850 7 000 7 150 0 2697 0 2756 0 2815 E1 6 750 0 2657 E2 e 0 500 0 0197 L 0 300 0 400 0 500 0 0118 0 0157 0 0197 P 0 600 0 0236 K 12 ddd 0 0031 Number of pins N 48 1 Values in inches are converted from mm and rounded to 4 decimal digits ky Doc ID 018799 Rev 1 7 13 Package characteristics STM8T850xx Figure 4 UFQFPN28 28 lead ultra thin fine pitch quad flat no lead package outline 4x4 and UFQFPN28 recommended footprint ddd 0 50 k S 28 ele J hl 1 A bi T lt 3 204 4 30 3 30 3 20 i 030 ff A TEA los 8 E 055 k 050 Poses 30S MS19601V1 1 Drawing is not to scale 2 Dimens
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