STR912FAZ44H6

Program Memory Size:	512KB (512K x 8)
Base Part Number:	STR91*F
Package / Case:	144-LFBGA
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 8x10b
Voltage - Supply (Vcc/Vdd):	1.65 V ~ 2 V
RAM Size:	96K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	STR9
Number of I/O:	80
Peripherals:	Brown-out Detect/Reset, DMA, Motor Control PWM, POR, PWM, WDT
Connectivity:	CANbus, EBI/EMI, Ethernet, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB
Speed:	96MHz
Core Size:	32-Bit
Core Processor:	ARM9®
Part Status:	Obsolete
Packaging:	Tray

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STR912FAZ44H6: Embedded - Microcontrollers Application Field and Working PrincipleThe STMicroelectronics STR912FAZ44H6 is a high-performance, 32-bit ARM926EJ-S microcontroller found in many embedded applications. It is a powerful, yet low-cost microcontroller that is well-suited for many embedded and low-power applications, such as those related to automotive, industrial and consumer markets. This article will cover the application field and working principle of the STR912FAZ44H6, with a particular focus on its structure and performance.The STR912FAZ44H6 is based on the ARM926EJ-S core and includes an optimized instruction set that reduces the memory footprint of an embedded application. Its onboard peripherals provide substantial flexibility and are capable of fulfilling a wide range of application-specific tasks. The processor core and its peripherals are organized into two execution planes, called AHB and APB, as illustrated in Figure 1. Furthermore, the STR912FAZ44H6 is rated at 32 KB of on-chip RAM and 512 KB of flash memory. The AHB plane is used for multi-layer bus control, memory mapping, and inter-chip communication. It is also used to provide access to the peripheral devices on the STR912FAZ44H6, such as DMA, Timers, Communications Interface, CRC, Serial, GPIO and more. The APB plane is used for lower-level operations, such as interrupt and reset control, as well as providing connections to the system clock, RAM, ROM and EPROM. The performance of the STMicroelectronics STR912FAZ44H6 can be summarized as follows. The ARM926EJ-S core operating at up to 60 MHz provides a scalable and powerful performance. Furthermore, the on-chip RAM can support up to 8KB of user-defined data while the flash memory can store up to 512KB of program code. Additionally, the microcontroller features an integrated dual-channel debug unit capable of controlling and debugging rich embedded applications.In terms of applications, the STR912FAZ44H6 is an ideal choice for a range of embedded applications. It is typically used in automotive, industrial, appliance, and consumer electronics applications that require smaller footprints, enhanced system performance, and low power consumption. Examples include automotive engine control, digital surveillance systems, light control systems, industrial monitoring, home-automation, and body-area networking applications.To summarize, the STMicroelectronics STR912FAZ44H6 is a high-performance, 32-bit ARM926EJ-S microcontroller found in many embedded applications. It is based on an optimized instruction set that reduces the memory footprint of an embedded application and includes an extensive set of on-chip peripherals. Furthermore, it is rated at 32 KB of on-chip RAM and 512 KB of flash memory and is used for a range of automotive, industrial, appliance, and consumer applications.

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