STM8S105C4T6 STMicroelectronics, STM8S105C4T6 Datasheet - Page 15

MCU 16KB FLASH MEM 16MHZ 48LQFP

STM8S105C4T6

Manufacturer Part Number
STM8S105C4T6
Description
MCU 16KB FLASH MEM 16MHZ 48LQFP
Manufacturer
STMicroelectronics
Series
STM8Sr
Datasheet

Specifications of STM8S105C4T6

Core Processor
STM8
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.95 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Processor Series
STM8S10x
Core
STM8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
38
Number Of Timers
9
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWSTM8
Development Tools By Supplier
STICE-SYS001
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
For Use With
497-10040 - EVAL KIT STM8S DISCOVERY497-10593 - KIT STARTER FOR STM8S207/8 SER497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8818

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STM8S105xx
4.6
Bit
PCKEN1 7
PCKEN1 6
PCKEN1 5
PCKEN1 4
Table 3: Peripheral clock gating bit assignments in CLK_PCKENR1/2 registers
Power management
For efficent power management, the application can be put in one of four different low-power
modes. You can configure each mode to obtain the best compromise between lowest power
consumption, fastest start-up time and available wakeup sources.
Peripheral
clock
TIM1
TIM3
TIM2
TIM4
-
-
Startup clock: After reset, the microcontroller restarts by default with an internal 2 MHz
clock (HSI/8). The prescaler ratio and clock source can be changed by the application
program as soon as the code execution starts.
Clock security system (CSS): This feature can be enabled by software. If an HSE clock
failure occurs, the internal RC (16 MHz/8) is automatically selected by the CSS and an
interrupt can optionally be generated.
Configurable main clock output (CCO): This outputs an external clock for use by the
application.
Wait mode: In this mode, the CPU is stopped, but peripherals are kept running. The
wakeup is performed by an internal or external interrupt or reset.
Active halt mode with regulator on: In this mode, the CPU and peripheral clocks are
stopped. An internal wakeup is generated at programmable intervals by the auto wake up
unit (AWU). The main voltage regulator is kept powered on, so current consumption is
higher than in active halt mode with regulator off, but the wakeup time is faster. Wakeup
is triggered by the internal AWU interrupt, external interrupt or reset.
Active halt mode with regulator off: This mode is the same as active halt with regulator
on, except that the main voltage regulator is powered off, so the wake up time is slower.
Halt mode: In this mode the microcontroller uses the least power. The CPU and peripheral
clocks are stopped, the main voltage regulator is powered off. Wakeup is triggered by
external event or reset.
16 MHz high-speed internal RC oscillator (HSI)
128 kHz low-speed internal RC (LSI)
Bit
PCKEN1 3
PCKEN1 2
PCKEN1 1
PCKEN1 0
Peripheral
clock
UART2
Reserved
SPI
I
2
C
DocID14771 Rev 10
Bit
PCKEN2 7
PCKEN2 6
PCKEN2 5
PCKEN2 4
Peripheral
clock
Reserved
Reserved
Reserved
Reserved
Bit
PCKEN2 3
PCKEN2 2
PCKEN2 1
PCKEN2 0
Product overview
Peripheral
clock
ADC
AWU
Reserved
Reserved
15/127

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