MCF51EM128 Datasheet PDF - Freescale Semiconductor


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MCF51EM128
Freescale Semiconductor

Part Number MCF51EM128
Description ColdFire Microcontroller
Page 30 Pages

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Freescale Semiconductor
Data Sheet: Advance Information
Document Number: MwwCw.FDa5ta1ShEeeMt4U2.c5om6
Rev.2, 4/2010
MCF51EM256 Series
ColdFire Microcontroller
Covers: MCF51EM256
MCF51EM128
The MCF51EM256/128 series microcontrollers are
a member of the ColdFire® family of reduced
instruction set computing (RISC) microprocessors.
This document provides an overview of these
32-bit microcontrollers, focusing on their highly
integrated and diverse feature set.
These microcontrollers are systems-on-chips
(SoCs) that are based on the V1 ColdFire core and
the following features:
• Operating at processor core speeds up to
50.33 MHz (peripherals operate at half of
this speed) at 3.6 V to 2.5 V and 20 MHz at
2.5 V to 1.8 V
• Up to 256 KB of flash memory
• Up to 16 KB of RAM
• Less than 1.3 μA of typical power
consumption in battery mode, with MCU
supply off
• Ultra-low power independent RTC with
calendar features, separate time base, power
domain, and 32 bytes of RAM
• A collection of communications
peripherals, including UART, IIC and SPI
• Integrated 16-bit SAR analog-to-digital
converter
• Programmable delay block (PDB)
• Two analog comparators with selectable
interrupt (PRACMP)
• LCD driver
MCF51EM256
80 LQFP
14 mm × 14 mm
917A-03
100 LQFP
14 mm × 14 mm
983-02
• Three serial communications interface
modules (SCI)
• Three serial peripheral interfaces
• Inter-integrated circuit (IIC)
• Two 8-bit and one 16-bit modulo timers
(MTIM)
• Two-channel timer/PWM module (TPM)
This document contains information on a product under development. Freescale reserves the
right to change or discontinue this product without notice.
© Freescale Semiconductor, Inc., 2008-2010. All rights reserved.
Preliminary—Subject to Change Without Notice



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Table of Contents
1 MCF51EM256 Series Configurations . . . . . . . . . . . . . . . . . . . .3
1.1 Device Comparison. . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.2 Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.3.1 Feature List . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.4 Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1.5 Pinouts and Packaging . . . . . . . . . . . . . . . . . . . . . . . . .11
1.5.1 Pinout: 80-Pin LQFP . . . . . . . . . . . . . . . . . . . . .11
1.5.2 Pinout: 100-Pin LQFP . . . . . . . . . . . . . . . . . . . .12
2 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
2.1 Parameter Classification . . . . . . . . . . . . . . . . . . . . . . . .16
2.2 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . .17
2.3 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . .18
2.4 Electrostatic Discharge (ESD) Protection Characteristics
19
2.5 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
2.6 Supply Current Characteristics . . . . . . . . . . . . . . . . . . .24
2.7 Analog Comparator (PRACMP) Electricals. . . . . . . . . .27
2.8 ADC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.9 External Oscillator (XOSC) Characteristics . . . . . . . . . 34
2.10 Internal Clock Source (ICS) Characteristics . . . . . . . . 35
2.11 LCD Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.12 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.12.1 Control Timing . . . . . . . . . . . . . . . . . . . . . . . . . 38
2.12.2 Timer (TPM/FTM) Module Timing . . . . . . . . . . 39
2.13 VREF Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.14 SPI Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2.15 Flash Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 43
2.16 EMC Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
2.16.1 Radiated Emissions . . . . . . . . . . . . . . . . . . . . . 44
3 Mechanical Outline Drawings . . . . . . . . . . . . . . . . . . . . . . . . 45
3.1 80-pin LQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . 45
3.2 100-pin LQFP Package . . . . . . . . . . . . . . . . . . . . . . . . 49
4 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.2
2
Preliminary—Subject to Change Without Notice
Freescale Semiconductor



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MCF51EM256 SeriweswwC.DoantafiSghueerta4Uti.oconms
1 MCF51EM256 Series Configurations
1.1 Device Comparison
The MCF51EM256 series is summarized in Table 1.
Table 1. MCF51EM256 Series Features by MCU and Package
Feature
Flash size (bytes)
RAM size (bytes)
Robust flash update
supported
Pin quantity
PRACMP1 inputs
PRACMP2 inputs
ADC modules
ADC differential
channels1
ADC single-ended
channels
DBG
ICS
IIC
IRQ
IRTC
VREF
LCD drivers
Rapid GPIO2
Port I/O3
Keyboard interface 1
Keyboard interface 2
SCI1
SCI2
SCI3
SPI1 (FIFO)
SPI2 (standard)
SPI3 (standard)
MCF51EM256
262144
16384
MCF51EM128
131072
8192
Yes
100 80 100 80
5353
5
44
4242
16 12 16 12
Yes
Yes
Yes
Yes
Yes
Yes
44 37 44 37
16 16 16 16
47 40 47 40
8
8
Yes
Yes
Yes
Yes
Yes
Yes No Yes No
Freescale Semiconductor
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.2
Preliminary—Subject to Change Without Notice
3



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MCF51EM256 Series Configurations
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Table 1. MCF51EM256 Series Features by MCU and Package (continued)
Feature
MCF51EM256
MCF51EM128
MTIM1 (8-bit)
Yes
MTIM2 (8-bit)
Yes
MTIM3 (16-it)
Yes
TPM channels
2
PDB
Yes
XOSC14
Yes
XOSC25
Yes
1 Each differential channel is comprised of 2 pin inputs
2 RGPIO is muxed with standard Port I/O
3 Port I/O count does not include the ouput only PTC2/BKGD/MS.
4 IRTC crystal input and possible crystal input to the ICS module
5 Main external crystal input for the ICS module
1.2 Block Diagram
Figure 1 shows the connections between the MCF51EM256 series pins and modules.
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.2
4
Preliminary—Subject to Change Without Notice
Freescale Semiconductor




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