MCHC908RF2CFAE Freescale Semiconductor, MCHC908RF2CFAE Datasheet - Page 65
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MCHC908RF2CFAE
Manufacturer Part Number
MCHC908RF2CFAE
Description
IC MCU W/UHF TX 2K FLASH 32LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908RF2CFA.pdf
(188 pages)
Specifications of MCHC908RF2CFAE
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 ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC908RF2CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Data Sheet — MC68HC908RF2
6.1 Introduction
6.2 Features
6.3 Functional Description
MC68HC908RF2 — Rev. 4.0
MOTOROLA
The internal clock generator module (ICG) is used to create a stable clock source
for the microcontroller without using any external components. The ICG generates
the oscillator output clock (CGMXCLK), which is used by the COP, LVI, and other
modules. The ICG also generates the clock generator output (CGMOUT), which is
fed to the system integration module (SIM) to create the bus clocks. The bus
frequency will be one-fourth the frequency of CGMXCLK and one-half the
frequency of CGMOUT.
The ICG has these features:
The ICG, shown in
•
•
•
•
•
•
•
•
•
•
External clock generator, either 1-pin external source or 2-pin crystal
Internal clock generator with programmable frequency output in integer
multiples of a nominal frequency (307.2 kHz ±25 percent)
Frequency adjust (trim) register to improve variability to ±2 percent
Bus clock software selectable from either internal or external clock
Clock monitor for both internal and external clocks
Clock enable circuit
Internal clock generator
External clock generator
Clock monitor circuit
Clock selection circuit
Freescale Semiconductor, Inc.
For More Information On This Product,
Internal Clock Generator Module (ICG)
Section 6. Internal Clock Generator Module (ICG)
Go to: www.freescale.com
Figure
6-1, contains these major submodules:
Data Sheet
65
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