mc68hc11e0fnr2 Freescale Semiconductor, Inc, mc68hc11e0fnr2 Datasheet - Page 13

• Manufacturer Part Number: mc68hc11e0fnr2
• Description: Hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 1
General Description
1.1 Introduction
This document contains a detailed description of the M68HC11 E series of 8-bit microcontroller units
(MCUs). These MCUs all combine the M68HC11 central processor unit (CPU) with high-performance,
on-chip peripherals.
The E series is comprised of many devices with various configurations of:
With the exception of a few minor differences, the operation of all E-series MCUs is identical. A fully static
design and high-density complementary metal-oxide semiconductor (HCMOS) fabrication process allow
the E-series devices to operate at frequencies from 3 MHz to dc with very low power consumption.
1.2 Features
Features of the E-series devices include:
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Random-access memory (RAM)
Read-only memory (ROM)
Erasable programmable read-only memory (EPROM)
Electrically erasable programmable read-only memory (EEPROM)
Several low-voltage devices are also available.
M68HC11 CPU
Power-saving stop and wait modes
Low-voltage devices available (3.0–5.5 Vdc)
0, 256, 512, or 768 bytes of on-chip RAM, data retained during standby
0, 12, or 20 Kbytes of on-chip ROM or EPROM
0, 512, or 2048 bytes of on-chip EEPROM with block protect for security
2048 bytes of EEPROM with selectable base address in the MC68HC811E2
Asynchronous non-return-to-zero (NRZ) serial communications interface (SCI)
Additional baud rates available on MC68HC(7)11E20
Synchronous serial peripheral interface (SPI)
8-channel, 8-bit analog-to-digital (A/D) converter
16-bit timer system:
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8-bit pulse accumulator
Real-time interrupt circuit
Three input capture (IC) channels
Four output compare (OC) channels
One additional channel, selectable as fourth IC or fifth OC
M68HC11E Family Data Sheet, Rev. 5.1
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