mcf51mm256 Freescale Semiconductor, Inc, mcf51mm256 Datasheet - Page 4

• Manufacturer Part Number: mcf51mm256
• Description: 32-bit Coldfire V1 Central Processor Unit
• Manufacturer: Freescale Semiconductor, Inc

Features
1
The following table provides a cross-comparison of the features of the MCF51MM256/128 according to
package.
4
1
2
FLASH Size (bytes)
RAM Size (bytes)
Pin Quantity
Programmable Analog Comparator (PRACMP)
Debug Module (DBG)
Multipurpose Clock Generator (MCG)
Inter-Integrated Communication (IIC)
Interrupt Request Pin (IRQ)
Keyboard Interrupt (KBI)
Digital General Purpose I/O
Dedicated Analog Input Pins
Power and Ground Pins
Time Of Day (TOD)
Serial Communications (SCI1)
Serial Communications (SCI2)
Serial Peripheral Interface (SPI1(FIFO))
Serial Peripheral Interface(SPI2)
Carrier Modulator Timer Pin (IRO)
TPM Input Clock Pin (TPMCLK)
TPM1 Channels
TPM2 Channels
XOSC1
XOSC2
USB On-the-Go
16-Bit SAR ADC Single-Ended Channels
DAC Ouput Pin (DACO)
Voltage Reference Output Pin (VREFO)
General Purpose Operational Amplifier (OPAMP)
Trans-Impedance Amplifier (TRIAMP)
Mini-FlexBus
Rapid GPIO
Programmable Delay Block (PDB)
16-Bit SAR ADC Differential Channels
Port I/O count does not include BLMS, BKGD and IRQ. BLMS and BKGD are Output only, IRQ is input only.
Each differential channel is comprised of 2 pin inputs.
Features
Feature
Table 1. MCF51MM256/128 Features by MCU and Package
1
2
MEASUREMENT ENGINE
104
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
14
16
69
16
8
4
4
4
8
MCF51MM256
100
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
16
65
14
16
8
4
4
4
8
262144
32K
DATA
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
81
16
48
14
8
4
4
9
4
8
DATA
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
80
16
47
14
8
4
4
9
4
8
Freescale Semiconductor
DATA
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
MCF51MM128
81
16
48
14
8
4
4
9
4
8
131072
32K
DATA
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
80
16
47
14
8
4
4
9
4
8