MC68HC908RF2MFA Freescale Semiconductor, MC68HC908RF2MFA Datasheet - Page 47

• Manufacturer Part Number: MC68HC908RF2MFA
• Description: IC MCU 2K FLASH 4MHZ 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908RF2MFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: LVD, POR, PWM, RF Mod
• Number Of I /o: 12
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

Data Sheet — MC68HC908RF2
4.1 Introduction
4.2 Functional Description
MC68HC908RF2 — Rev. 4.0
MOTOROLA
The computer operating properly (COP) module contains a free-running counter
that generates a reset if allowed to overflow. The COP module helps software
recover from runaway code. Prevent a COP reset by periodically clearing the COP
counter.
INTERNAL RESET SOURCES
RESET VECTOR FETCH
COPRS FROM CONFIG
COPD FROM CONFIG
Freescale Semiconductor, Inc.
Section 4. Computer Operating Properly Module (COP)
STOP INSTRUCTION
For More Information On This Product,
COPCTL WRITE
COPCTL WRITE
Computer Operating Properly Module (COP)
CGMXCLK
RESET
Go to: www.freescale.com
Figure 4-1. COP Block Diagram
12-BIT COP PRESCALER
CLEAR COP
COUNTER
6-BIT COP COUNTER
RESET
RESET STATUS
REGISTER
Data Sheet
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