Overview
The ST72F321AR6T6 is a member of the ST7 microcontroller family designed by STMicroelectronics for mid-range applications. This 8-bit microcontroller is based on an industry-standard core and features an enhanced instruction set. It is available with either FLASH or ROM program memory, allowing for flexibility in application development. The device includes power-saving modes such as WAIT, SLOW, ACTIVE-HALT, and HALT, which reduce power consumption during idle or stand-by states. This makes it suitable for a variety of applications where power efficiency is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | ST72F321AR6T6 |
| Core Size | 8-Bit |
| Core Processor | ST7 |
| Program Memory Type | FLASH |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3.8 V ~ 5.5 V |
| Speed | 8MHz |
| Package / Case | 64-TQFP |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Number of I/O | 48 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Analog Peripherals | 10-bit ADC with up to 16 input ports |
| Communications Interfaces | SPI, SCI, I²C |
Key Features
- Analog Peripheral: 10-bit ADC with up to 16 input ports.
- Communications Interfaces: SPI synchronous serial interface, SCI asynchronous serial interface, and I²C multimaster interface.
- Interrupt Management: Nested interrupt controller with 14 interrupt vectors plus TRAP and RESET, and Top Level Interrupt (TLI) pin on 64-pin devices.
- Timers: Five timers including a main clock controller, two 16-bit timers, an 8-bit PWM auto-reload timer, and a configurable watchdog timer.
- Power Saving Modes: Halt, Active-Halt, Wait, and Slow modes to reduce power consumption.
- Instruction Set: 8-bit data manipulation with 63 basic instructions and 17 main addressing modes, including an 8x8 unsigned multiply instruction.
- I/O Ports: Up to 48 multifunctional bidirectional I/O lines with high sink outputs.
Applications
The ST72F321AR6T6 microcontroller is suitable for a wide range of mid-range applications, including industrial control systems, automotive systems, consumer electronics, and medical devices. Its power-saving features and robust set of peripherals make it an ideal choice for applications requiring efficient power management and versatile functionality.
Q & A
- What is the core size of the ST72F321AR6T6 microcontroller?
The core size is 8-bit. - What types of program memory are available for this microcontroller?
The microcontroller is available with either FLASH or ROM program memory. - What are the power-saving modes available on this device?
The device features Halt, Active-Halt, Wait, and Slow modes to reduce power consumption. - How many I/O ports does the ST72F321AR6T6 have?
The device has up to 48 multifunctional bidirectional I/O lines. - What are the communication interfaces supported by this microcontroller?
The microcontroller supports SPI, SCI, and I²C interfaces. - What is the operating temperature range of the ST72F321AR6T6?
The operating temperature range is -40°C to 85°C (TA). - Does the ST72F321AR6T6 support in-application programming?
Yes, it supports in-application programming (IAP) for HDFlash devices. - How many timers are available on this microcontroller?
The device features five timers, including a main clock controller, two 16-bit timers, an 8-bit PWM auto-reload timer, and a configurable watchdog timer. - Is the ST72F321AR6T6 RoHS compliant?
Yes, the device is lead-free and RoHS compliant. - What is the maximum speed of the ST72F321AR6T6 microcontroller?
The maximum speed is 8MHz.
