Datasheet > AN2216

AN2216

更新时间： 2024-11-20 12:53:27

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		微控制器
页数	文件大小	规格书
2页	91K
描述
16-bit Microcontrollers MC9S12A128

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中文翻译

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AN2216 数据手册

16-bit Microcontrollers

MC9S12A128

Target Applications

Features

Benefits

> Instrumentation

High-Performance 16-bit HCS12 CPU Core

> Energy management

> 25 MHz bus operation at 5V for 40 ns

> Opcode compatible with the 68HC11

and 68HC12

> Industrial control

minimum instruction cycle time

> Robotics

> C-optimized architecture produces extremely

compact code

> Safety equipment

> Security

On-Chip Debug Interface

> Dedicated serial debug interface

> Real-time in-circuit emulation and debug

without expensive and cumbersome

box emulators

> On-chip breakpoints

Overview

> Read/write memory and registers while running

at full speed

Freescale Semiconductor’s MC9S12A128

Flash microcontroller (MCU) is the next

generation of the highly successful

68HC12 architecture. Using Freescale’s

industry-leading 0.25 µs Flash, the A128 is

part of a pin-compatible family that scales

from 32 KB to 512 KB of Flash memory.

The MC9S12A128 provides an upward

migration path from Freescale’s 68HC08,

68HC11 and 68HC12 architectures for

applications that need larger memory,

more peripherals and higher performance.

Integrated Third-Generation Flash Memory

> In-application reprogrammable

> Flexibility to change code in the field

> Efficient end-of-line programming

> Self-timed, fast programming

• Fast Flash page erase—20 ms

(512 bytes)

> Total program time for 128 KB code is less

than five seconds

• Can program 16 bits in 20 µs while

in burst mode

> Reduces production programming cost

through ultra-fast programming

> 5V Flash program/erase/read

> No external high voltage or charge

pump required

> Flash granularity—512 byte Flash

erase/2 byte Flash program

> Virtual EEPROM implementation, Flash array

usable for EE extension

> Two independently programmable

Flash arrays

> Can erase one array while executing code

from another

> Flexible block protection and security

2 KB Integrated EEPROM

> Flexible protection scheme for protection

against accidental program or erase

> Can erase 4 bytes at a time and program

2 bytes at a time for calibration, security,

personality and diagnostic information

HCS12 CPU

128 KB Flash

> EEPROM can be programmed in 46 µs

10-bit Analog-to-Digital Converter (ADC)

2 x SCI

> Two, 8-channel ADCs

> Fast, easy conversion from analog inputs

like position sensors, analog meters and

photovoltaic cells to digital values for

CPU processing

8 KB RAM

2 KB EEPROM

> 7 µs, 10-bit single conversion time, scan mode

available

I²C

ATD0

10-bit, 8-ch.

ATD1

10-bit, 8-ch.

2 x SPI

> Can effectively have 3.5 µs conversion time

by sampling same signal with both ADCs

Up to

91 GPIO

Enhanced Capture Timer

16-bit, 8-ch.

Vreg

5V to 2.5V

PWM

16-Key Wake-Up

IRQ Ports

8-bit, 8-ch./16-bit, 4-ch.

中文翻译

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