SST89E54RD2A-40-C-TQJE

Program Memory Type:	FLASH
Base Part Number:	SST89E54RD2A
Supplier Device Package:	44-TQFP (10x10)
Package / Case:	44-TQFP
Operating Temperature:	0°C ~ 70°C
Oscillator Type:	External
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 5.5 V
RAM Size:	1K x 8
EEPROM Size:	--
Series:	FlashFlex®
Program Memory Size:	24KB (24K x 8)
Number of I/O:	36
Peripherals:	Brown-out Detect/Reset, POR, WDT
Connectivity:	EBI/EMI, SPI, UART/USART
Speed:	40MHz
Core Size:	8-Bit
Core Processor:	8051
Part Status:	Obsolete
Packaging:	Tray

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Introduction of SST89E54RD2A-40-C-TQJE

The SST89E54RD2A-40-C-TQJE is an 8-bit parallel bus microcontroller featuring 8k-byte Flash ROM and 128-byte RAM. It is based on the 8051 core and has peripherals such as dual timer, 4-channel 10-bit ADC, 8-channel 8-bit PWM, enhanced I/O, on-chip oscillator, watchdog timer and power. The integrated power management offers excellent power-saving features that allow the use of cost effective batteries or other low-cost power sources.

Application Field of SST89E54RD2A-40-C-TQJE

The SST89E54RD2A-40-C-TQJE microcontroller is widely used in the embedded systems applications, including consumer, industrial and automotive applications. It can be used in automotive, metering and medical equipment, heavy industry, home appliances, security and access control, office automation systems and many other embedded applications.In the automotive application areas, it is used for engine control, emission control, Cruise-control, Fuel injector control, Rear vision/parking assist, air-bag control, sensor interface, vehicle control systems, and anti-theft control.The SST89E54RD2A-40-C-TQJE is also being used in consumer electronics, such as microwave ovens, LCD TVs, audio and video players, digital cameras and gaming consoles. It is also extensively used in domestic applications such as security systems, consumer healthcare systems and home automation systems. In the industrial sector, it is used in vision systems, robotics, process control and automation, etc. It is also used in smart grid, military and aerospace applications.

Working Principle of SST89E54RD2A-40-C-TQJE

The SST89E54RD2A-40-C-TQJE microcontroller is based on the 8051 core, and it consists of 8k Bytes of Flash memory, 128-bytes of RAM, and a full set of peripherals including dual timer, 4-channel 10-bit ADC, 8-channel 8-bit PWM, enhanced I/O and on-chip oscillator. It also has an embedded power management features, which is activated by the register setting of the internal PWRU register. This power management feature helps to save energy and improve the efficiency of the microcontroller.The internal bus of the microcontroller is 16-bits wide and has separate address and data bus. This gives the microcontroller the ability to access large external memory with 2M Bytes.The external memory interface supports dual access cycle with both read and write operations. It also supports multiple chip selects for accessing different external memories or ROMs. It supports a wide range of input clock speeds from 0.5MHz to 40Mhz.The programmable wake up events of the SST89E54RD2A-40-C-TQJE microcontroller enable low power operation like sleep mode and power down mode. They also support multiple interrupts from different peripherals and external sources. The on-chip oscillator of SST89E54RD2A-40-C-TQJE microcontroller uses an external crystal that provides an accurate clock frequency. The microcontroller can be programmed in high level language like C, C++, and Assembly and is programmed using the Keil IDE (Integrated Development Environment).

Conclusion

The SST89E54RD2A-40-C-TQJE microcontroller is an 8-bit 8051 core based microcontroller. It is used in a wide range of embedded systems applications, including automotive, medical and industrial applications. It has power saving features that enable the use of cost effective batteries or other low-cost power sources. It also has multiple interrupts and external memory interface that supports dual access cycle with both read and write operations. The microcontroller can be programmed in high level languages and is programmed using the Keil IDE.

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