STM32F103C8T6 Pinout PDF – ARM-based 32-bit MCU – ST

Part Number: STM32F103C8T6

Function: Medium-density performance line ARM-based 32-bit MCU

Package: LQFP 48 Pin

Manufacturer: STMicroelectronics





The STM32F103xx, STM32F103C8T6 medium-density performance line family incorporates the high-performance ARM Cortex-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs, an USB and a CAN. The devices operate from a 2.0 to 3.6 V power supply. They are available in both the –40 to +85 °C temperature range and the –40 to +105 °C extended temperature range. A comprehensive set of power-saving mode allows the design of low-power applications.


STM32F103C8T6 Pinout



1. Architecture : ARM Cortex-M3
2. CPU Speed : 72MHz
3. Program Memory Size : 64KB
4. RAM Memory Size : 20KB
5. No. of Pins : 48Pins
6. MCU Case Style : LQFP
7. No. of I/O’s : 37I/O’s
8. Embedded Interface Type : CAN, I2C, SPI, USART, USB
9. Supply Voltage Min : 2V
10. Supply Voltage Max : 3.6V
11. Packaging : Each
12. MSL : MSL 3 -168 hours
13. Base Number : (ARM Cortex) STM32
14. Clock Frequency : 72MHz
15. Controller Family/Series : STM32
16. Flash Memory Size : 64KB
17. MPU Core Size : 32bit
18. Memory Type : Flash
19. No. of ADC Inputs : 10
20. No. of Bits : 32bit
21. No. of PWM Channels : 1
22. No. of Timers : 4
23. Number of bits In Timer : 16


Ordering Information


Reference Site

Other data sheets are available within the file:

STM32F103C8T7, STM32F103CBT7, STM32F103C8, STM32F103R8,

STM32F103V8, STM32F103T8, STM32F103RB STM32F103VB,

STM32F103CB, STM32F103TB


STM32F103C8T6 Pinout Datasheet



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R5F21276SNXXXFP Datasheet PDF – 16Bit CMOS MCU

Part Number: R5F21276SNXXXFP


Package: PLQP 32 Pin Type

Manufacturer: Renesas Electronics


R5F21276SNXXXFP datasheet



This is 16-Bit, CMOS MCU.

These MCUs are fabricated using a high-performance silicon gate CMOS process, embedding the R8C CPU core, and are packaged in a 32-pin molded-plastic LQFP. It implements sophisticated instructions for a high level of instruction efficiency. With 1 Mbyte of address space, they are capable of executing instructions at high speed.

Furthermore, the R8C/27 Group has on-chip data flash (1 KB × 2 blocks). The difference between the R8C/26 Group and R8C/27 Groupis only the presence or absence of data flash. Their peripheral functions are the same.

Ordering Informations :



1. Electronic household appliances, office equipment, audio equipment, consumer products, automotive, etc.

R5F21276SNXXXFP Datasheet PDF Download

R5F21276SNXXXFP pdf

Other data sheets are available within the file:

R5F21262SDFP, R5F21262SDXXXFP, R5F21262SNFP, R5F21262SNXXXFP, R5F21264JFP