1.Overview of nonvolatile embedded storage stt-marm chip S3H3208R1M.

Stt-marm chip S3H3208R1M is equipped with standard SPI bus interface,which supports single channel,dual channel and quad channel SPI modes.SPI(serial peripheral interface)is a synchronous serial communication protocol,which can efficiently transmit command,address and data signals.What's more worth mentioning is that the stt-marm chip is composed of two 16Mb four-channel SPI units,which together achieve a storage density of 32M bits and support 8-bit I/O data access.Users can choose 1-CS#/1-CLK or 2-CS#/2-CLK configuration according to the system requirements,which can easily realize bandwidth expansion.In the extended SPI mode,the command signal pins of each chip are independently configured;In the four-channel SPI mode,the command,address and data share four pins,which further improves the data transmission efficiency.

 

2.Performance of nonvolatile embedded storage stt-marm chip S3H3208R1M.

Stt-marm chip supports XIP(local execution)function,which allows the processor to read and execute the code directly from the storage unit without copying it to RAM first,thus saving system resources and improving startup speed.At the same time,the stt-marm chip S3H3208R1M has built-in dual data protection mechanism based on hardware and software:each stt-marm chip has independent nonvolatile registers,including status register,configuration register,serial number register,256-byte extension register,byte protection register,device ID and unique ID.After the high-temperature reflow soldering process,the status register and configuration register must be set at least once at power-on to ensure the stable operation of each chip.
 

3.Features of nonvolatile embedded storage stt-marm chip S3H3208R1M.

Stt-marm chip products are packaged in a small size of 24FBGA,which is pin-compatible with similar non-volatile memory devices on the market and convenient for direct replacement or upgrade.The working voltage ranges from 1.71 V to 1.98 V,and the frequency reaches 150MHz in SDR mode and 90MHz in DDR mode,which can meet most low-power and high-speed application scenarios.The industrial temperature range of stt-marm chip(-40℃to 85℃)makes it easy to cope with harsh environment,and it is widely used in automotive electronics,industrial control,Internet of Things terminals and other fields.
 

4.Non-volatile embedded storage stt-marm chip S3H3208R1M parameters.

①Density:32M-bit dual four-way.

②Single power supply operation:-1.71V~1.98V.

③Working temperature:-40℃to 85℃.

④package:24FBGA.

⑤SDR/DDR frequency:150mhz/90mhz.

⑥stt-marm data retention:20 years at-85 C.

⑦serial peripheral interface:dual-channel and four-channel SPI；;Single and double data rates(SDR/DDR).

⑧Support XIP for reading and writing.
 

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