mc68hc908jb12 Freescale Semiconductor, Inc, mc68hc908jb12 Datasheet

mc68hc908jb12

Manufacturer Part Number

mc68hc908jb12

Description

8-bit Microcontrollers

Manufacturer

Freescale Semiconductor, Inc

Datasheet

1.MC68HC908JB12.pdf (2 pages)

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8-bit Microcontrollers

MC68HC908JB12

Target Applications

> PC peripherals

> USB converters

> RF wireless receivers

Overview

The MC68HC908JB12 is an upwardly

compatible, versatile migration from Freescale

Semiconductor’s MC68HC908JB8 Universal

Serial Bus (USB) microcontroller unit (MCU).

The innovative design features an on-chip USB

module for fast, reliable PC peripheral

applications. An energy-saving, low-power

solution, the MC68HC908JB12 is embedded

with 12 KB of Freescale’s second-generation

Flash technology to enable in-system

programmability.

(keyboard, mouse)

12 KB Flash

384B RAM

CPU08

MON

COP

OSC

BRK

SIM

IRQ

LVI

> USB security keys

> Set-top box

UP to 21 GPIO

16-bit Timers

for e-commerce

peripherals

Dual 2-ch.,

USB

Vreg

SCI

KBI

High-Performance 68HC08 CPU Core

> 6 MHz bus operation at 4V to 5.5V operation

> Efficient instruction set, including multiply

> 16 flexible addressing modes, including stack

> Fully static, low-voltage, low-power design

> In-application reprogrammable

> Extremely fast programming, encoding 64B in

> Flash programming across the 68HC08

> 10K write/erase cycles minimum

> Flexible block protection and security

> 1.5 Mbps data rate

> On-chip 3.3V regulator

> Endpoint 0 with 8B transmit buffer and

> Endpoint 1 with 8B transmit buffer

> Endpoint 2 with 8B transmit buffer and

> 167 ns resolution at 6 MHz bus

> Free-running counter or modulo up-counter

> External clock input option

> UART asynchronous communications system

> Flexible baud rate generator

> Double-buffered transmit and receive

> Optional hardware parity checking

Features

12 KB Integrated Second-Generation Flash Memory

USB 2.0 Specification Low-Speed Functions

Two Programmable 16-bit Timers, Each with Two Channels

Serial Communications Interface (SCI)

for 167 ns minimum instruction cycle time

and divide

relative with 16-bit stack pointer

with wait and stop modes

as fast as 32 µs per byte

device’s full operating supply voltage with no

extra programming voltage

over temperature

8B receive buffer

and generation

Benefits

> Cost-effective programming changes and field

> Helps to reduce production programming

> Byte-writable for data as well as

> Protects code from unauthorized reading and

> Designed to serve as low-speed (LS) USB

> Integrated 3.3V regulator helps to reduce

> Each channel independently programmable for

> Pairing timer channels designed for a buffered

> Designed to enable asynchronous serial

> Object code compatible with the 68HC05

> Easy to learn and use architecture

> C-optimized architecture provides

software upgrades via in-application

programmability and reprogrammability

costs through ultra-fast programming

program memory

guards against unintentional writing/erasing of

user-programmable segments of code

device, in accordance with Universal Serial

Bus Specification Rev. 2.0 Low-Speed

Functions

system cost

input capture, output compare or unbuffered

pulse-width modulation (PWM)

PWM function

communications with peripheral devices

compact code

Related parts for mc68hc908jb12

mc68hc908jb12 Summary of contents

Page 1

... Freescale Semiconductor’s MC68HC908JB8 Universal Serial Bus (USB) microcontroller unit (MCU). The innovative design features an on-chip USB module for fast, reliable PC peripheral applications. An energy-saving, low-power solution, the MC68HC908JB12 is embedded with Freescale’s second-generation Flash technology to enable in-system programmability. CPU08 KBI 384B RAM Dual 2-ch ...

Page 2

... HC(S)08 MCUs; includes integrated development environment (IDE), linker, debugger, unlimited assembler, Processor Expert™ auto-code generator, full-chip simulation and compiler Package Options Part Number Package Temp. Range MC68HC908JB12JDW 20 SOIC 0°C to +70°C MC68HC908JB12DW 28 SOIC 0°C to +70°C 28-Lead SOIC 20-Lead SOIC ...

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