Overview
The ST62T20CM6 is a member of the ST62xx 8-bit HCMOS family of microcontrollers produced by STMicroelectronics. These devices are designed for low to medium complexity applications and are known for their compact and low-cost design. The ST62T20CM6 is part of a family that includes OTP, ROM, EPROM, and FASTROM versions, each offering different programmability options to suit various development needs.
The microcontroller is based on a building block approach, featuring a common core surrounded by several on-chip peripherals. This includes an 8-bit core, an 8-bit A/D converter, timers, and various I/O ports. The device is well-suited for automotive, appliance, and industrial applications due to its robust feature set and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Program Memory | 1K, 2K, or 4K bytes (OTP, EPROM, FASTROM, or ROM) |
| RAM | 64 bytes |
| Analog Inputs | Up to 8 channels (depending on the device) |
| Timer | 8-bit timer/counter with a 7-bit prescaler and a configurable watchdog timer |
| Clock Frequency | Up to 8 MHz |
| Operating Supply Voltage | 3.0V to 6V |
| Operating Temperature | -40°C to +125°C |
| Packages | PDIP20, SO20, SSOP20 |
| I/O Ports | 12 multifunctional bidirectional I/O lines, 8 alternate function lines, 4 high sink outputs (20mA) |
Key Features
- Instruction Set: 8-bit data manipulation, 40 basic instructions, 9 addressing modes, and bit manipulation.
- Analog Peripheral: 8-bit A/D converter with up to 8 analog input channels.
- Interrupt Management: 4 interrupt vectors plus NMI and RESET, 12 external interrupt lines on 2 vectors.
- Clock, Reset and Supply Management: Enhanced reset system, Low Voltage Detector (LVD) for safe reset, clock sources including crystal/ceramic resonator or RC network, external clock, and backup oscillator (LFAO), Oscillator Safeguard (OSG), and 2 power saving modes (Wait and Stop).
- Timers: Configurable watchdog timer and an 8-bit timer/counter with a 7-bit prescaler.
- I/O Ports: 12 multifunctional bidirectional I/O lines, 8 alternate function lines, and 4 high sink outputs (20mA).
- Development Tools: Full hardware/software development package.
Applications
The ST62T20CM6 is well-suited for a wide range of applications, including:
- Automotive systems: Due to its robustness and ability to operate over a wide temperature range.
- Appliance control: For controlling various household and industrial appliances.
- Industrial automation: For monitoring and controlling industrial processes.
Q & A
- What is the ST62T20CM6 microcontroller?
The ST62T20CM6 is an 8-bit microcontroller from the ST62xx family by STMicroelectronics, designed for low to medium complexity applications.
- What types of memory does the ST62T20CM6 have?
The device has 1K, 2K, or 4K bytes of program memory (OTP, EPROM, FASTROM, or ROM) and 64 bytes of RAM.
- What is the maximum clock frequency of the ST62T20CM6?
The maximum clock frequency is up to 8 MHz.
- What are the operating supply voltage and temperature ranges for the ST62T20CM6?
The operating supply voltage is 3.0V to 6V, and the operating temperature range is -40°C to +125°C.
- What types of timers are available on the ST62T20CM6?
The device features an 8-bit timer/counter with a 7-bit prescaler and a configurable watchdog timer.
- How many I/O ports does the ST62T20CM6 have?
The device has 12 multifunctional bidirectional I/O lines, with 8 alternate function lines and 4 high sink outputs (20mA).
- What is the purpose of the Low Voltage Detector (LVD) in the ST62T20CM6?
The LVD is used for safe reset, ensuring the device operates reliably even at low voltage conditions.
- What are the power saving modes available on the ST62T20CM6?
The device has two power saving modes: Wait and Stop.
- What types of applications is the ST62T20CM6 suitable for?
The device is suitable for automotive, appliance, and industrial applications.
- Is the ST62T20CM6 still in production?
No, the ST62T20CM6 is obsolete and no longer manufactured. However, similar substitutes are available.
- What development tools are available for the ST62T20CM6?
A full hardware/software development package is available for the device.
