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MC908QL3C Datasheet(PDF) 17 Page - Motorola, Inc

No. de Pieza. MC908QL3C
Descripción  Microcontrollers
Descarga  222 Pages
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Fabricante  MOTOROLA [Motorola, Inc]
Página de inicio  http://www.freescale.com
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MC908QL3C Datasheet(HTML) 17 Page - Motorola, Inc

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MC68HC908QL4 • MC68HC908QL3 • MC68HC908QL2 Data Sheet, Rev. 4
Freescale Semiconductor
17
Chapter 1
General Description
1.1 Introduction
The MC68HC908QL4 is a member of the low-cost, high-performance M68HC08 Family of 8-bit
microcontroller units (MCUs). 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 3.3-V operating voltages (VDD)
8-MHz internal bus operation at 5 V, 4-MHz at 3.3 V
Software configurable input clock from either internal or external source
Trimmable internal oscillator
Selectable 1 MHz, 2 MHz, or 3.2MHz or 6.4 MHz internal bus operation
8-bit trim capability
Trimmable to approximately 0.4%(1)
± 25% untrimmed
Software selectable crystal oscillator range, 32–100 kHz, 1–8 MHz, and 8–32 MHz
Auto wakeup from STOP capability using dedicated internal 32-kHz RC or bus clock source
On-chip in-application programmable FLASH memory
Internal program/erase voltage generation
Monitor ROM containing user callable program/erase routines
FLASH security(2)
Table 1-1. Summary of Device Variations
Device
FLASH
Memory Size
RAM
Memory Size
Analog-to-Digital
Converter
MC68HC908QL4
4096 bytes
128 bytes
6 ch, 10 bit
MC68HC908QL3
4096 bytes
128 bytes
MC68HC908QL2
2048 bytes
128 bytes
6 ch, 10 bit
1. See 17.11 Oscillator Characteristics for internal oscillator specifications
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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