Overview
The ST62T65CB6 is a member of the ST62xx 8-bit HCMOS family of microcontrollers produced by STMicroelectronics. This device is designed for low to medium complexity applications and is part of the ST62xx series, which is known for its building block approach, featuring a common core surrounded by various on-chip peripherals. The ST62T65CB6 is particularly suited for applications requiring frequent code changes, multiple code versions, or last-minute programmability due to its user-programmable OTP (One-Time Programmable) capabilities.
Key Specifications
| Specification | Value |
|---|---|
| Supply Operating Range | 3.0 to 6.0V |
| Maximum Clock Frequency | 8 MHz |
| Operating Temperature Range | -40 to +125°C |
| Power Modes | Run, Wait, and Stop modes |
| Interrupt Vectors | 5 interrupt vectors |
| Data RAM | 128 bytes (60 bytes + additional banks) |
| Data EEPROM | 128 bytes (in 64-byte pages) |
| I/O Pins | 21 fully programmable I/O pins |
| Timer/Counter | 8-bit Timer/Counter with 7-bit programmable prescaler |
| Auto-Reload Timer | 8-bit Auto-Reload Timer with 7-bit programmable prescaler |
| A/D Converter | 8-bit A/D converter with 13 analog inputs |
| SPI Interface | 8-bit synchronous peripheral interface (SPI) |
| Program Memory | 3884 bytes (OTP/EPROM/ROM) |
Key Features
- Low cost and compact design
- User programmable options and OTP/EPROM/ROM versions
- On-chip oscillator can be driven by quartz crystal, ceramic resonator, or RC network
- Digital watchdog and oscillator safe guard
- Low voltage detector for safe reset
- 8 I/O lines capable of sinking up to 30 mA to drive LEDs or TRIACs directly
- Look-up table capability in program memory
- User configurable power-on reset and external non-maskable interrupt
- Support for ST626x-EMU2 Emulation and Development System
Applications
The ST62T65CB6 is well-suited for a wide range of applications, including:
- Automotive systems
- Appliance control
- Industrial automation
- Any application requiring frequent code changes or last-minute programmability
Q & A
- What is the operating voltage range of the ST62T65CB6?
The ST62T65CB6 operates within a voltage range of 3.0 to 6.0V.
- What is the maximum clock frequency of the ST62T65CB6?
The maximum clock frequency is 8 MHz.
- How many interrupt vectors does the ST62T65CB6 support?
The device supports 5 interrupt vectors.
- What types of I/O pins are available on the ST62T65CB6?
The device features 21 fully programmable I/O pins that can be configured as input with or without pull-up resistor, input with interrupt generation, open-drain or push-pull output, or analog input.
- Does the ST62T65CB6 have on-chip data storage capabilities?
- What is the purpose of the Auto-Reload Timer in the ST62T65CB6?
The Auto-Reload Timer is an 8-bit timer with a 7-bit programmable prescaler, used for timing and control applications.
- How does the ST62T65CB6 support serial communication?
The device includes an 8-bit synchronous peripheral interface (SPI) for serial communication.
- What is the role of the Digital Watchdog in the ST62T65CB6?
The Digital Watchdog is a safety feature that monitors the system and can reset it if it fails to respond within a specified time frame.
- Can the ST62T65CB6 be used in high-temperature environments?
- How is the program memory protected in the ST62T65CB6?
The program memory can be protected against external readout by selecting the READOUT PROTECTION option in the option byte.
