This document provides an overview of the

MPC555 microcontroller, including a block

diagram showing the major modular components and sections that list the major features. The

MPC555 member of the Freescale MPC500 RISC Microcontroller family.

1

Introduction

The MPC555 device offers the following features:

•

PowerPC™ core with floating-point unit

•

26 Kbytes fast RAM and 6 Kbytes TPU microcode RAM

•

448 Kbytes Flash EEPROM with 5-V programming

•

5-V I/O system

•

Serial system: queued serial multi-channel module (QSMCM), dual CAN 2.0B

controller

•

50-channel timer system: dual time processor units (TPU3), modular I/O system

(MIOS1)

•

32 analog inputs: dual queued analog-to-digital converters (QADC64)

•

Submicron HCMOS (CDR1) technology

•

272-pin plastic ball grid array (PBGA) packaging

•

40-MHz operation, -40

°C to 125 °C with dual supply (3.3 V, 5 V) (-55 °C to 125 °C

for the suffix A device)

•

32-bit architecture (PowerPC ISA architecture compliant)

•

Core performance measured at 52.7-Kbyte Dhrystones (v2.1) @ 40 MHz

•

Fully static, low power operation

•

Integrated double-precision floating-point unit

•

Precise exception model

Table 1. MPC555 Features

Device

Flash

Code Compression

MPC555

448 Kbytes

Code compression not supported

Product Brief

MPC555PB/D

Rev. 3, 2/2003

MPC555 Product Brief

Freescale Semiconductor, Inc.

© Freescale Semiconductor, Inc., 2004. All rights reserved.