元器件交易网MC9S08AW60CFUE技术资料

    MC9S08AW60CFUE1.1 Overview

　　The MC9S08AW60CFUE , MC9S08AW48, MC9S08AW32, and MC9S08AW16 are members of the low-cost,high-performance HCS08 family of 8-bit microcontroller units (MCUs). All MCUs in the family use the enhanced HCS08 core and are available with a variety of modules, memory sizes, memory types, and package types. Refer to Table 1-1 for memory sizes and package types.

　　Table 1-2 summarizes the peripheral availability per package type for the devices available in the MC9S08AW60 Series.

　　Table 1-1. Devices in the MC9S08AW60 Series

　　Table 1-2. Peripherals Available per Package Type

　　1.2 MCU Block Diagrams

　　The block diagram shows the structure of the MC9S08AW60 Series.

　　Figure 1-2. System Clock Distribution Diagram

　　Some of the modules ins.html" target="_blank">nside the MCU have clock source choices. Figure 1-2 shows a simplified clock connection diagram. The G supplies the clock sources:IC

　　ICGOUT is an output of the ICG module. It is one of the following:

　　The external crystal oscillator

　　An external clock source

　　The output of the digitally-controlled oscillator (DCO) in the frequency-locked loop sub-module

　　Control bits inside the ICG determine which source is connected.

　　FFE is a control signal generated inside the ICG. If the frequency of ICGOUT > 4 × the frequency of ICGERCLK, this signal is a logic 1 and the fixed-frequency clock will be ICGERCLK/2.

　　Otherwise the fixed-frequency clock will be BUSCLK.

　　ICGLCLK — Development tools can select this internal self-clocked source (~ 8 MH.html" target="_blank">MHz) to speed up communications in systems where the bus clock is slow.BDC

　　ICGERCLK — External reference clock can be selected as the real-time interrupt clock source.

　　Can also be used as the ALK input to the C module.ADLTC

　　MC9S08AW60CFUE 2.1 Introduction

　　This chapter describes signals that connect to package pins. It includes a pinout diagram, a table of signal properties, and detailed discussion of signals.

　　2.2 Device Pin Assignment

Figure 2-1. MC9S08AW60 Series in 64-Pin QFP/LQFP Package

Figure 2-2. MC9S08AW60 Series in 48-Pin QFN Package

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