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APM32F103C8T6-R

Microcontroller

The APM32F103C8T6-R is a microcontroller from Geehy Semiconductor. View the full APM32F103C8T6-R datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

APM32F103C8T6-R shares its datasheet with APM32F103C8T6, whose page lists every part number it covers.

Official APM32F103C8T6-R datasheet (PDF) — the source this page was extracted from.

Package

LQFP-48

APM32F103C8T6-R Key Specifications

ParameterValue
ADC2x 12-bit
DMA1x 7-channel
Core32-bit Arm Cortex-M3
I/OsUp to 51
SRAM20KB
Flash64KB
Timers1x 16-bit advanced, 3x 16-bit general-purpose, IWDT, WWDT, SysTick
Package Pins48
Max Frequency96MHz
Debug InterfaceJTAG, SWD
Analog Supply (VDDA)2.0V to 3.6V
Backup Supply (VBAT)1.8V to 3.6V
Supply Voltage (VDD)2.0V to 3.6V
Operating Temperature-40°C to 85°C
Communication Interfaces2x I2C, 3x USART, 2x SPI, 1x CAN, 1x USBD
Minimum Package Quantity2000 (reel)

APM32F103C8T6-R Overview

Part: APM32F103x4x6x8 — Geehy

Type: Arm Cortex-M3 based 32-bit MCU

Description: 32-bit Arm Cortex-M3 MCU at up to 96 MHz with up to 64 KB Flash and 20 KB SRAM, featuring a range of communication peripherals and analog capabilities.

Operating Conditions:

  • Supply voltage: 2.0–3.6 V (VDD, VDDA, VBAT)
  • Operating temperature: -40 to +105 °C (Ambient), -40 to +125 °C (Junction)
  • Max working frequency: 96 MHz

Key Specs:

  • Core: 32-bit Arm Cortex-M3
  • Max frequency: 96 MHz
  • Flash memory: Up to 64 KB
  • SRAM memory: Up to 20 KB
  • GPIOs: Up to 51
  • ADCs: 2x 12-bit
  • I2C interfaces: 2 (1 Mbit/s)
  • SPI interfaces: 2 (18 Mbps)

Features:

  • Sleep, Stop, and Standby low-power modes
  • One 7-channel DMA
  • JTAG and SWD debugging interfaces
  • Programmable power supply voltage detector (PVD)
  • Real-time clock (RTC) with calendar and clock functions
  • 96-bit unique device ID
  • CRC computing unit

Package:

  • LQFP48
  • LQFP64
  • QFN36

APM32F103C8T6-R Features

Table 12 Current Characteristics

SymbolDescriptionMaximumUnit
I VDDTotal current into V DD /V DDA power lines (source) (1)150mA
I VSSTotal current out of V SS ground lines (sink) (1)150mA
I IOIrrigation current on any I/O and control pins25mA
I IOSource current on any I/O and control pins-25mA
I INJ(PIN) (2) (3)Injection current of 5T pin±5mA
I INJ(PIN) (2) (3)Injection current of other pins (4)±5mA
ΣI INJ(PIN) (2)Total injection current on all I/O and control pins (5)±25mA

APM32F103C8T6-R Pin Configuration

Table 2 Legends/Abbreviations Used in Output Pin Table

NameDefinition below the pin name, nameAbbreviation Pin name Unless otherwise specified in parentheses the and after reset are the same as the actual pin
Power pinPower pinPin type
Only input pinI I/O
I/O pin5T
FT I/OFT I/O5Tf FT I/O, FM+ function
STDAI/O with 3.3 V tolerance, directly connected to ADCSTD
I/O with 3.3 V toleranceI/O with 3.3 V toleranceB Dedicated Boot0 pin
RSTBidirectional reset pin with built-in pull-up resistor selected/enabled through peripheralPin function Function directly

APM32F103C8T6-R Electrical Characteristics

Table 35 12-bit ADC Characteristics

SymbolParameterConditionsMinimum valueTypical valuesMaximum valueUnit
V DDAPower supply voltage-2.4-3.6V
I DDAADC pwoer consumptionV DDA =3.3V , f ADC =14MHz , Sampling time=1.5 f ADC-1-mA
f ADCADC frequency-0.6-14MHz
C ADCInternal sampling and holding capacitance--8-pF
R ADCSampling resistor---1000Ω
t SSampline Timef ADC =14MHz0.107-17.1μs
T CONVSampling and conversion timef ADC =14MHz, 12-bit conversion1-18μs

Table 35 12-bit ADC Characteristics

Table 36 12-bit ADC Accuracy

SymbolParameterConditionsTypical valuesMaximum valueUnit
\ET\Composite errorf PCLK =56MHz, f ADC =14MHz, V DDA =2.4V-3.6V T A =-40 °C ~105 °C-
\EO\Offset errorf PCLK =56MHz, f ADC =14MHz, V DDA =2.4V-3.6V T A =-40 °C ~105 °C-
\EG\Gain errorf PCLK =56MHz, f ADC =14MHz, V DDA =2.4V-3.6V T A =-40 °C ~105 °C-
\ED\Differential linear errorf PCLK =56MHz, f ADC =14MHz, V DDA =2.4V-3.6V T A =-40 °C ~105 °C-
\EL\Integral linear errorf PCLK =56MHz, f ADC =14MHz, V DDA =2.4V-3.6V T A =-40 °C ~105 °C-

Note: It is obtained from a comprehensive evaluation and is not tested in production.

APM32F103C8T6-R Absolute Maximum Ratings

If the load on the device exceeds the absolute maximum rating, it may cause permanent

damage to the device. Here, only the maximum load that can be borne is given, and there is no guarantee that the device functions normally under this condition.

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
APM32F103C8T6Geehy SemiconductorLQFP-48(7x7)
APM32F103X4X6X8Geehy Semiconductor—

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All Microcontrollers (MCU) datasheetsAll Geehy Semiconductor datasheets (29)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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