MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 126

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MC908AZ32ACFU

Manufacturer Part Number
MC908AZ32ACFU
Description
IC MCU 32K FLASH 8.4MHZ 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908AZ32ACFU

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
40
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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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Computer Operating Properly (COP
13.3 I/O Signals
The following paragraphs describe the signals shown in
13.3.1 CGMXCLK
CGMXCLK is the crystal oscillator output signal. CGMXCLK frequency is equal to the crystal frequency.
13.3.2 STOP Instruction
The STOP instruction clears the COP prescaler.
13.3.3 COPCTL Write
Writing any value to the COP control register (COPCTL) (see
counter and clears stages 12 through 4 of the COP prescaler. Reading the COP control register returns
the reset vector.
13.3.4 Power-On Reset
The power-on reset (POR) circuit clears the COP prescaler 4096 CGMXCLK cycles after power-up.
126
INTERNAL RESET SOURCES
COPRS FROM CONFIG-1
RESET VECTOR FETCH
COPD FROM CONFIG-1
STOP INSTRUCTION
COPCTL WRITE
COPCTL WRITE
CGMXCLK
RESET
Figure 13-1. COP Block Diagram
MC68HC908AZ32A Data Sheet, Rev. 2
12-BIT COP PRESCALER
CLEAR COP
COUNTER
6-BIT COP COUNTER
Figure
13.4 COP Control
13-1.
Register), clears the COP
RESET
RESET STATUS
REGISTER
Freescale Semiconductor

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