National Semiconductor CR16HCS5/CR16HCS9/CR16MAR5/CR16MAS5 Handbook

This document describes the features and characteristics of the 16-bit CAN-enabled CompactRISC microcontroller family, including high performance, integrated features, and low power consumption.


National Semiconductor CR16HCS5/CR16HCS9/CR16MAR5/CR16MAS5 Handbook - cover page
Brand
National Semiconductor
Category
Other Electronics
Document type
User Manual
Language
English
Pages
156
File format
PDF
File size
753 KB
Published
08 May, 2012
Updated
29 September, 2023
MD5 checksum
74C985A2CB573F1C947FDD2C025063A6

About this manual

This handbook provides a comprehensive description of the CR16 family of 16‑bit CAN‑enabled CompactRISC microcontrollers. It covers the CPU core, memory organization, I/O ports, bus interface, interrupt system, power‑management modes, and on‑chip peripherals such as timers, USARTs, A/D converter, CAN interface, and ACCESS.bus.

The document also details register layouts, programming procedures, and electrical characteristics, helping developers design and debug embedded applications that use the CR16HCS5, CR16HCS9, CR16MAR5, and CR16MAS5 devices.

What's inside

  • General Description
  • Features
  • Device Overview
  • CPU Core
  • Memory
  • Input/Output Ports
  • Bus Interface Unit
  • Interrupts
  • Power Management
  • Timers and Watchdog

Specifications

Flash program memoryup to 64 KB
Flash EEPROM (ISP) memory1.5 KB
Static RAM3 KB
Non‑volatile EEPROM data memory (low endurance)2 KB
High‑endurance EEPROM data memory128 bytes
General‑purpose I/O pinsup to 56
USART modules2
A/D converter channels12‑channel 8‑bit
CAN message buffers15
Maximum clock speed24 MHz
Supply voltage4.5 V to 5.5 V
Operating temperature range-40 °C to +85 °C

Frequently asked questions

What is the maximum flash program memory size?

The device provides up to 64 KB of reprogrammable flash EEPROM program memory.

How many general‑purpose I/O pins are available?

The microcontroller offers up to 56 software‑controllable I/O pins.

What is the highest clock frequency the device can run at?

It can operate at a clock rate of up to 24 MHz.

What supply voltage range does the device require?

The device works from a single‑supply voltage of 4.5 V to 5.5 V.

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