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MC908QT2FQE Datasheet(PDF) 17 Page - Freescale Semiconductor, Inc

No. de Pieza. MC908QT2FQE
Descripción  M68HC08 Microcontrollers
Descarga  168 Pages
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Fabricante  FREESCALE [Freescale Semiconductor, Inc]
Página de inicio  http://www.freescale.com
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MC908QT2FQE Datasheet(HTML) 17 Page - Freescale Semiconductor, Inc

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MC68HC908QY/QT Family Data Sheet, Rev. 6
Freescale Semiconductor
17
Chapter 1
General Description
1.1 Introduction
The MC68HC908QY4 is a member of the low-cost, high-performance M68HC08 Family of 8-bit
microcontroller units (MCUs). The M68HC08 Family is a Complex Instruction Set Computer (CISC) with
a Von Neumann architecture. All MCUs in the family use the enhanced M68HC08 central processor unit
(CPU08) and are available with a variety of modules, memory sizes and types, and package types.
0.4
1.2 Features
Features include:
High-performance M68HC08 CPU core
Fully upward-compatible object code with M68HC05 Family
5-V and 3-V operating voltages (VDD)
8-MHz internal bus operation at 5 V, 4-MHz at 3 V
Trimmable internal oscillator
3.2 MHz internal bus operation
8-bit trim capability allows 0.4% accuracy(1)
± 25% untrimmed
Auto wakeup from STOP capability
Configuration (CONFIG) register for MCU configuration options, including:
Low-voltage inhibit (LVI) trip point
In-system FLASH programming
FLASH security(2)
Table 1-1. Summary of Device Variations
Device
FLASH
Memory Size
Analog-to-Digital
Converter
Pin
Count
MC68HC908QT1
1536 bytes
8 pins
MC68HC908QT2
1536 bytes
4 ch, 8 bit
8 pins
MC68HC908QT4
4096 bytes
4 ch, 8 bit
8 pins
MC68HC908QY1
1536 bytes
16 pins
MC68HC908QY2
1536 bytes
4 ch, 8 bit
16 pins
MC68HC908QY4
4096 bytes
4 ch, 8 bit
16 pins
1. The oscillator frequency is guaranteed to ±5% over temperature and voltage range after trimming.
2. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the FLASH difficult for
unauthorized users.


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