This is the Data Sheet of C505 C505C/C505A C505CA 8-Bit CMOS Microcontroller
This document is a technical data sheet for the Siemens C505 series of 8-bit CMOS microcontrollers. It details various models including the C505, C505C, C505A, and C505CA, highlighting their compatibility with the standard 8051 architecture and specific features like on-chip program memory, XRAM, and A/D converters.
The datasheet provides comprehensive information on device functionality, including timer capabilities, serial interfaces (USART), CAN controllers for specific models, and power-saving modes. It also includes detailed ordering codes, pin definitions, functional block diagrams, and recommended oscillator circuits.
| Operating Frequency | Up to 20 MHz |
|---|---|
| Instruction Cycle Time @16 MHz | 375 ns |
| On-chip Program Memory (C505-2R/C505C-2R) | 16k byte ROM |
| On-chip Program Memory (C505A-4E/C505CA-4E) | 32k byte OTP |
| On-chip RAM (C505/C505C) | 256 byte |
| On-chip XRAM (C505A/C505CA) | 1K byte |
| Digital I/O Ports | Four 8-bit and One 2-bit |
| A/D Converter Resolution (C505/C505C) | 8-bit |
| A/D Converter Resolution (C505A/C505CA) | 10-bit |
| Package Type | P-MQFP-44 |
Yes, it is fully compatible to the standard 8051 microcontroller.
Standard versions operate from 0°C to 70°C, while extended range versions cover -40°C to 85°C or higher.
The C505C and C505CA models include a Full CAN Module compliant with version 2.0 B.