Product Summary

The ST72F521R9TC is a microcontroller designed for mid-range applications with a CAN bus interface (Controller Area Network). The ST72F521R9TC is based on a common industry-standard 8-bit core, featuring an enhanced instruction set and are available with FLASH or ROM program memory.

Parametrics

ST72F521R9TC absolute maximum ratings: (1) VDD - VSS Supply voltage 6.5V; (2) VPP - VSS Programming Voltage 13V; (3) VIN, Input Voltage on true open drain pin VSS-0.3 to 6.5v; (4) Input voltage on any other pin: VSS-0.3 to VDD+0.3v; (5)|VDDx| and |VSSx| Variations between different digital power pins: 50mV; (6)|V - V | Variations between digital and analog ground pins: 50V.

Features

ST72F521R9TC features: (1)Nested interrupt controller; (2)14 interrupt vectors plus TRAP and RESET; (3)Top Level Interrupt (TLI) pin; (4)15 external interrupt lines (on 4 vectors); (5)Up to 64 I/O Ports; (6)48 multifunctional bidirectional I/O lines; (7)34 alternate function lines; (8)16 high sink outputs.

Diagrams

ST72F521R9TC block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
ST72F521R9TC
ST72F521R9TC

STMicroelectronics

8-bit Microcontrollers (MCU) Flask 60K SPI/SCI/I2

Data Sheet

0-303: $5.20
303-500: $4.52
500-1000: $3.99
ST72F521R9TCTR
ST72F521R9TCTR

STMicroelectronics

8-bit Microcontrollers (MCU) AUTO 8BIT MICRO

Data Sheet

0-621: $4.70
621-1000: $3.94