Freescale MC9RS08KB12 8位MCU开发方案

Freescale 公司的MC9RS08KB12 是集成高效RS08核的8位MCU，1.8V-5.5V时的CPU速率高达20MHz,工作温度–40℃ 到 85℃,有多种接口,包括10位12路ADC,模拟比较器,I2C和SCI等,主要用在小型家电,照明控制,手持设备,电池充电器,玩具和低端热控BLDC风扇等.本文介绍MC9RS08KB12主要特性, 方框图和DEMO9RS08KB12 演示板主要特性和电路图.

Freescale introduces the new 8-bit family that has an integrated peripheral set including a highly efficient RS08 core that supports interrupt capability helping to improve system performance and save additional components costs. The RS08KB family eases migration by offering multiple package and flash size options, along with pin compatibility with other 5V families as well as the CodeWarrior development tool to support other all 8-bit families.

MC9RS08KB12主要特性:

• 8-Bit RS08 Central Processor Unit (CPU)

– Up to 20 MHz CPU at 1.8 V to 5.5 V across temperature range of –40℃ to 85℃

– Subset of HC08 instruction set with added BGND instruction

– Single Global interrupt vector

• On-Chip Memory

– Up to 12 KB flash read/program/erase over full operating voltage and temperature,12 KB/8 KB/4 KB/2 KB flash are optional

– Up to 254-byte random-access memory (RAM),254-byte/126-byte RAM are optional
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