STM32F217ZG STMicroelectronics, STM32F217ZG Datasheet - Page 18
STM32F217ZG
Manufacturer Part Number
STM32F217ZG
Description
High-performance ARM Cortex-M3 MCU with 1 Mbyte Flash, 120 MHz CPU, ART Accelerator, Ethernet, HW crypto
Manufacturer
STMicroelectronics
Datasheet
1.STM32F215ZG.pdf
(168 pages)
Specifications of STM32F217ZG
10/100 Ethernet Mac With Dedicated Dma
supports IEEE 1588v2 hardware, MII/RMII
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Description
2.2.5
2.2.6
2.2.7
Figure 6.
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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 software
signature during runtime, to be compared with a reference signature generated at link-time
and stored at a given memory location.
Embedded SRAM
All STM32F21x products embed:
●
●
Multi-AHB bus matrix
The 32-bit multi-AHB bus matrix interconnects all the masters (CPU, DMAs, Ethernet, USB
HS) and the slaves (Flash memory, RAM, FSMC, AHB and APB peripherals) and ensures a
seamless and efficient operation even when several high-speed peripherals work
simultaneously.
Multi-AHB matrix
Up to 128 Kbytes of system SRAM accessed (read/write) at CPU clock speed with 0
wait states
4 Kbytes of backup SRAM.
The content of this area is protected against possible unwanted write accesses, and is
retained in Standby or V
BAT
Doc ID 17050 Rev 6
mode.
STM32F215xx, STM32F217xx
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