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MCF51QE128 MCU Series Reference Manual, Rev. 3
Freescale Semiconductor 23
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Chapter 1
Device Overview
The MCF51QE128, MCF51QE64, and MCF51QE32 are members of the low-cost, low-power,
high-performance Version 1 (V1) ColdFire family of 32-bit microcontroller units (MCUs). All MCUs in
the family use the enhanced V1 ColdFire core and are available with a variety of modules, memory sizes,
and package types. CPU clock rates on these devices can reach 50.33 MHz. Peripherals operate up to
25.165 MHz.
1.1 Devices in the MCF51QE128/64/32 Series
Table 1-1 summarizes the feature set available in the MCF51QE128/64/32 series of MCUs.
t
Table 1-1. MCF51QE128 Series Features by MCU and Package
Feature MCF51QE128 MCF51QE64 MCF51QE32
Flash size (Kbytes) 128 64 32
RAM size (Kbytes) 8 8 8
Pin quantity 80 64 64 64
Version 1 ColdFire core with debug yes
ACMP1 yes
ACMP2 yes
ADC channels 24 20 20 20
ICS yes
IIC1 yes
IIC2 yes
KBI 16
Port I/O
1,
2
70 54 54 54
Rapid GPIO yes
COP yes
RTC yes
SCI1 yes
SCI2 yes
SPI1 yes
SPI2 yes
Interrupt Controller yes