參數(shù)資料
型號(hào): HC805P18GRS
英文描述: 68HC805P18 Technical Data
中文描述: 68HC805P18技術(shù)數(shù)據(jù)
文件頁數(shù): 10/111頁
文件大小: 748K
代理商: HC805P18GRS
GENERAL RELEASE SPECIFICATION
MC68HC805P18
Rev. 1.0
INTRODUCTION
MOTOROLA
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SECTION 1
INTRODUCTION
1.1 Introduction
The Motorola MC68HC805P18 microcontroller is a member of the M68HC05
microcontroller family with a 4-channel, 8-bit analog-to-digital (A/D) converter, a
16-bit timer with output compare and input capture, a serial communications port
(SIOP), a computer operating properly (COP) watchdog timer, and 21 input/output
(I/O) pins (20 bidirectional, one input-only). The memory map contains 192 bytes
of RAM, 8064 bytes of program EEPROM (for user code), 512 bytes of boot ROM,
and128 bytes of EEPROM (for data storage). This device is available in a 28-pin
dual in-line package (DIP) or a small outline (SOIC) package. A functional block
diagram of the MC68HC805P18 is shown in Figure 1-1.
1.2 Features
Low-cost HC05 core running at 2 MHz bus speed
28-pin DIP or SOIC package
4 MHz on-chip crystal/ceramic resonator oscillator
8064 bytes of user EEPROM including 48 bytes of page zero EEPROM and
16 bytes of user vectors
192 bytes of on-chip RAM
128 bytes of EEPROM
Low-voltage reset
4-channel, 8-bit A/D converter
SIOP serial communications port
COP watchdog timer with active pulldown on RESET
16-bit timer with output compare and input capture
20 bidirectional I/O lines and one input-only line
High current sink and source on two I/O pins (PC0 and PC1)
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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