68HC705SP7 datasheet(20/230 Pages) FREESCALE

20 / 230 page

General Description

General Release Specification

MC68HC705JJ7/MC68HC705JP7 — Rev. 3.0

General Description

1.2 Introduction

The Motorola MC68HC705JJ7 and MC68HC705JP7 are EPROM

versions of the MC68HC05JJ/JP Family of microcontrollers.

1.3 Features

•

Low-Cost, HC05 Core MCU in 20-Pin Package (MC68HC705JJ7)

or 28-Pin Package (MC68HC705JP7)

•

6160 Bytes of User EPROM (Including 16 Bytes of User Vectors)

•

224 Bytes of Low-Power User RAM (4 Transistors)

•

64 Bits of Personality EPROM (Serial Access)

•

16-Bit Programmable Timer with Input Capture and Output

Compare

•

15-Stage Core Timer Including 8-Bit Free-Running Counter

and 4-Stage Selectable Real-Time Interrupt Generator

•

Simple Serial Input/Output Port (SIOP) with Interrupt Capability

•

Two Voltage Comparators, One of Which Can be Combined with

the 16-Bit Programmable Timer to Create a 4-Channel, Single-

Slope A/D Converter

•

Output of Voltage Comparator Can Drive Port Pin PB4 Directly

Under Software Control

•

14 I/O Lines (MC68HC705JJ7) or 22 I/O Lines (MC68HC705JP7)

Including High-Source/Sink Current Capability on 6 I/O Pins

(MC68HC705JJ7) or 14 I/O Pins (MC68HC705JP7)

•

Programmable 8-Bit Mask Option Register (MOR) to Select Mask

Options Found in ROM-Based Versions

•

MOR Selectable Software Programmable Pulldowns on All I/O

Pins and Keyboard Scan Interrupt on Four I/O Pins

•

Software Mask and Request Bit for IRQ Interrupt with MOR

Selectable Sensitivity on IRQ Interrupt (Edge- and Level-Sensitive

or Edge-Only)

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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