STM8S007C8 STMicroelectronics, STM8S007C8 Datasheet - Page 14
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STM8S007C8
Manufacturer Part Number
STM8S007C8
Description
Value line, 24 MHz STM8S 8-bit MCU, 64 Kbytes Flash, true data EEPROM
Manufacturer
STMicroelectronics
Datasheet
1.STM8S007C8.pdf
(90 pages)
Specifications of STM8S007C8
Max Fcpu
up to 24 MHz, 0 wait states @ fCPU≤ 16 MHz
Program
64 Kbytes Flash; data retention 20 years at 55 °C after 100 cycles
Data
128 bytes true data EEPROM; endurance 100 kcycles
Ram
6 Kbytes
Advanced Control Timer
16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization
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Product overview
4.5
14/90
Clock controller
The clock controller distributes the system clock (f
to the core and the peripherals. It also manages clock gating for low power modes and
ensures clock robustness.
Features
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Table 2.
PCKEN17
PCKEN16
PCKEN15
PCKEN14
Bit
Clock prescaler: To get the best compromise between speed and current
consumption the clock frequency to the CPU and peripherals can be adjusted by a
programmable prescaler.
Safe clock switching: Clock sources can be changed safely on the fly in run mode
through a configuration register. The clock signal is not switched until the new clock
source is ready. The design guarantees glitch-free switching.
Clock management: To reduce power consumption, the clock controller can stop the
clock to the core, individual peripherals or memory.
Master clock sources: Four different clock sources can be used to drive the master
clock:
–
–
–
–
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.
1-24 MHz high-speed external crystal (HSE)
Up to 24 MHz high-speed user-external clock (HSE user-ext)
16 MHz high-speed internal RC oscillator (HSI)
128 kHz low-speed internal RC (LSI)
Peripheral
Peripheral clock gating bit assignments in CLK_PCKENR1/2 registers
clock
TIM1
TIM3
TIM2
TIM4
PCKEN13
PCKEN12
PCKEN11
PCKEN10
Bit
Doc ID 022171 Rev 2
Peripheral
UART3
UART1
clock
SPI
I
2
C
PCKEN27
PCKEN26
PCKEN25
PCKEN24
MASTER)
Bit
Peripheral
Reserved
Reserved
Reserved
Reserved
coming from different oscillators
clock
PCKEN23
PCKEN22
PCKEN21
PCKEN20
Bit
STM8S007C8
Peripheral
Reserved
Reserved
clock
AWU
ADC