STM32F103ZC STMicroelectronics, STM32F103ZC Datasheet - Page 15

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STM32F103ZC

Manufacturer Part Number
STM32F103ZC
Description
Mainstream Performance line, ARM Cortex-M3 MCU with 256 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32F103ZC

Core
ARM 32-bit Cortex™-M3 CPU
Conversion Range
0 to 3.6 V
Dma
12-channel DMA controller
Supported Peripherals
timers, ADCs, DAC, SDIO, I2Ss, SPIs, I2Cs and USARTs
Systick Timer
a 24-bit downcounter

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STM32F103xC, STM32F103xD, STM32F103xE
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
Overview
ARM
The ARM Cortex™-M3 processor is the latest generation of ARM processors for embedded
systems. It has been developed to provide a low-cost platform that meets the needs of MCU
implementation, with a reduced pin count and low-power consumption, while delivering
outstanding computational performance and an advanced system response to interrupts.
The ARM Cortex™-M3 32-bit RISC processor features exceptional code-efficiency,
delivering the high-performance expected from an ARM core in the memory size usually
associated with 8- and 16-bit devices.
With its embedded ARM core, STM32F103xC, STM32F103xD and STM32F103xE
performance line family is compatible with all ARM tools and software.
Figure 1
Embedded Flash memory
Up to 512 Kbytes of embedded Flash is available for storing programs and data.
CRC (cyclic redundancy check) calculation unit
The CRC (cyclic redundancy check) calculation unit is used to get a CRC code from a 32-bit
data word and a fixed generator polynomial.
Among other applications, CRC-based techniques are used to verify data transmission or
storage integrity. In the scope of the EN/IEC 60335-1 standard, they offer a means of
verifying the Flash memory integrity. The CRC calculation unit helps compute a signature of
the software during runtime, to be compared with a reference signature generated at link-
time and stored at a given memory location.
Embedded SRAM
Up to 64 Kbytes of embedded SRAM accessed (read/write) at CPU clock speed with 0 wait
states.
FSMC (flexible static memory controller)
The FSMC is embedded in the STM32F103xC, STM32F103xD and STM32F103xE
performance line family. It has four Chip Select outputs supporting the following modes: PC
Card/Compact Flash, SRAM, PSRAM, NOR and NAND.
Functionality overview:
The three FSMC interrupt lines are ORed in order to be connected to the NVIC
Write FIFO
Code execution from external memory except for NAND Flash and PC Card
The targeted frequency, f
is at 72 MHz and external access is at 24 MHz when HCLK is at 48 MHz
®
Cortex™-M3 core with embedded Flash and SRAM
shows the general block diagram of the device family.
CLK
Doc ID 14611 Rev 8
, is HCLK/2, so external access is at 36 MHz when HCLK
Description
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