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PDF ( 数据手册 , 数据表 ) STM8TL52G4

零件编号 STM8TL52G4
描述 8-bit ultralow power touch sensing microcontroller
制造商 STMicroelectronics
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STM8TL52G4 数据手册, 描述, 功能
STM8TL52G4 STM8TL52F4
STM8TL53C4 STM8TL53G4 STM8TL53F4
8-bit ultralow power touch sensing microcontroller
with 16 Kbytes Flash, ProxSense™, timers, USART, SPI, I2C
Datasheet - production data
5&1&0.
XMM
5&1&0.
XMM
433/0
Features
Operating conditions
– Operating power supply: 1.65 V to 3.6 V
– Temperature range: –40 °C to 85 °C
Low power features
– 4 low power modes: Wait, Active-halt with
AWU (1 µA), Active-halt with ProxSense™
(10 µA with scan every 200 ms),
Halt (0.4 µA)
– Dynamic power consumption: 150 µA/MHz
– Fast wakeup from Halt mode: 4.7 µs
– Ultralow leakage per I/O: 50 nA
Advanced STM8 Core
– Harvard architecture with 3-stage pipeline
– Max freq.16 MHz,16 CISC MIPS peak
Memories
– Up to 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
Clock management
– Internal 16 MHz factory-trimmed RC
– Internal 38 kHz low consumption RC
driving both the IWDG and the AWU
Reset and supply management
– Ultralow power, ultrasafe power-on reset/
power-down reset
Interrupt management
– Nested interrupt controller with software
priority control
– Up to 22 external interrupt sources
I/Os
– Up to 23 with 22 mappable on external
interrupt vectors
– I/Os with programmable input pull-ups, high
sink/source capability
ProxSense™ patented acquisition technology
with up to 300 touch sensing channels (20
receiver/transmitter channels and 15
transmitter channels) supporting projected
capacitive acquisition method suitable for
proximity detection.
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 I2C Multimaster/slave 400 kHz
– USART with fractional baud rate generator
Development support
– Hardware single wire interface module
(SWIM) for fast on-chip programming and
non intrusive debugging
– In-circuit emulation (ICE)
August 2013
This is information on a product in full production.
DocID022344 Rev 4
1/79
www.st.com







STM8TL52G4 pdf, 数据表
Description
2 Description
STM8TL5xxx
The STM8TL5xxx 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
STM8TL5xxx microcontrollers feature low power low-voltage single-supply program Flash
memory.
The STM8TL5xxx 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 the use of a common set of development
tools.
8/79 DocID022344 Rev 4







STM8TL52G4 equivalent, schematic
Product overview
STM8TL5xxx
3.18
ProxSense
The ProxSense peripheral uses a charge-transfer method to detect capacitance changes.
Up to 300 capacitive sensing channels composed of 15 transmitters and 20 receivers
with up to 10 Rx channels acquired in parallel
Fast acquisition with a typical scan time of 250 µs for 10 Rx channels
Configurable internal sampling capacitor (CS)
Electrode Parasitic Capacitance Compensation (EPCC) to ensure the best sensitivity in
all user environments
RF noise detection, allowing to reject corrupted samples
External trigger to de-synchronize the acquisition from known noise
Can be configured to return to low power mode between each conversion
Acquisition possible in Run, Wait and Active-halt modes
3.19
TouchSensing dedicated library available upon request
Complete C source code library with firmware examples (MISRA compliant)
Multifunction capability to combine capacitive sensing functions with traditional MCU
features
Compatible with proximity, touchkey, linear and rotary touch sensor implementation
Configuration of all ProxSense parameters
Extra filtering and calibration functions
TouchSensing user interface through firmware API for status reporting and application
configuration
Compliance with Cosmic, IAR and Raisonance C compilers
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DocID022344 Rev 4










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