STM32F100RB STMicroelectronics, STM32F100RB Datasheet - Page 17

• Manufacturer Part Number: STM32F100RB
• Description: Mainstream Value line, ARM Cortex-M3 MCU with 128 Kbytes Flash, 24 MHz CPU, motor control and CEC functions
• Manufacturer: STMicroelectronics

Specifications of STM32F100RB

• Peripherals Supported: timers, ADC, SPIs, I2Cs, USARTs and DACs
• Conversion Range: 0 to 3.6 V
• 16-bit, 6-channel Advanced-control Timer: up to 6 channels for PWM output, dead time generation and emergency stop
• Systick Timer: 24-bit downcounter

STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB
2.2.14
2.2.15
Each channel is connected to dedicated hardware DMA requests, with support for software
trigger on each channel. Configuration is made by software and transfer sizes between
source and destination are independent.
The DMA can be used with the main peripherals: SPI, DAC, I
ADC.
RTC (real-time clock) and backup registers
The RTC and the backup registers are supplied through a switch that takes power either on
V
registers used to store 20 bytes of user application data when V
The real-time clock provides a set of continuously running counters which can be used with
suitable software to provide a clock calendar function, and provides an alarm interrupt and a
periodic interrupt. It is clocked by a 32.768 kHz external crystal, resonator or oscillator, the
internal low power RC oscillator or the high-speed external clock divided by 128. The
internal low power RC has a typical frequency of 40 kHz. The RTC can be calibrated using
an external 512 Hz output to compensate for any natural crystal deviation. The RTC
features a 32-bit programmable counter for long term measurement using the Compare
register to generate an alarm. A 20-bit prescaler is used for the time base clock and is by
default configured to generate a time base of 1 second from a clock at 32.768 kHz.
Timers and watchdogs
The STM32F100xx devices include an advanced-control timer, six general-purpose timers,
two basic timers and two watchdog timers.
Table 3
Table 3.
TIM16,
TIM15
TIM17
Timer
TIM2,
TIM3,
TIM6,
DD
TIM1
TIM4
TIM7
supply when present or through the
compares the features of the advanced-control, general-purpose and basic timers.
resolution
Counter
16-bit
16-bit
16-bit
16-bit
16-bit
Timer feature comparison
Counter
up/down
up/down
down,
down,
type
Up,
Up,
Up
Up
Up
Doc ID 16455 Rev 6
Any integer
Any integer
Any integer
Any integer
Any integer
and 65536
and 65536
and 65536
and 65536
and 65536
between 1
between 1
between 1
between 1
between 1
Prescaler
factor
V
BAT
DMA request
generation
pin. The backup registers are ten 16-bit
Yes
Yes
Yes
Yes
Yes
Capture/compare
2
channels
C, USART, all timers and
DD
4
4
2
1
0
power is not present.
Complementary
Description
outputs
Yes
Yes
Yes
No
No
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