MC908AZ60ACFU Freescale Semiconductor, MC908AZ60ACFU Datasheet - Page 153

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MC908AZ60ACFU

Manufacturer Part Number
MC908AZ60ACFU
Description
IC MCU FLASH 8.4MHZ 60K 64QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908AZ60ACFU

Core Processor
HC08
Core Size
8-Bit
Speed
8.4MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
52
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 15x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Chapter 14
Monitor ROM (MON)
14.1 Introduction
This chapter describes the monitor ROM (MON). The monitor ROM allows complete testing of the MCU
through a single-wire interface with a host computer.
14.2 Features
Features of the monitor ROM include:
14.3 Functional Description
Monitor ROM receives and executes commands from a host computer.
circuit used to enter monitor mode and communicate with a host computer via a standard RS-232
interface.
While simple monitor commands can access any memory address, the MC68HC908AS60A and
MC68HC908AZ60A have a FLASH security feature to prevent external viewing of the contents of FLASH.
Proper procedures must be followed to verify FLASH content. Access to the FLASH is denied to
unauthorized users of customer specified software (see
In monitor mode, the MCU can execute host-computer code in RAM while all MCU pins except PTA0
retain normal operating mode functions. All communication between the host computer and the MCU is
through the PTA0 pin. A level-shifting and multiplexing interface is required between PTA0 and the host
computer. PTA0 is used in a wired-OR configuration and requires a pullup resistor.
Freescale Semiconductor
Normal User-Mode Pin Functionality
One Pin Dedicated to Serial Communication between Monitor ROM and Host Computer
Standard Mark/Space Non-Return-to-Zero (NRZ) Communication with Host Computer
Up to 28.8 kBaud Communication with Host Computer
Execution of Code in RAM or FLASH
FLASH Security
FLASH Programming
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
14.3.8
Security).
Figure 14-1
shows a sample
153

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