MCHC908QY2CDWER Freescale Semiconductor, MCHC908QY2CDWER Datasheet - Page 89
MCHC908QY2CDWER
Manufacturer Part Number
MCHC908QY2CDWER
Description
IC MCU 8BIT 1.5K FLASH 16-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QY4MDWER.pdf
(184 pages)
Specifications of MCHC908QY2CDWER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
1.5KB (1.5K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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Chapter 11
Oscillator Module (OSC)
11.1 Introduction
The oscillator module is used to provide a stable clock source for the microcontroller system and bus. The
oscillator module generates two output clocks, BUSCLKX2 and BUSCLKX4. The BUSCLKX4 clock is
used by the system integration module (SIM) and the computer operating properly module (COP). The
BUSCLKX2 clock is divided by two in the SIM to be used as the bus clock for the microcontroller.
Therefore the bus frequency will be one fourth of the BUSCLKX4 frequency.
11.2 Features
The oscillator has these four clock source options available:
11.3 Functional Description
The oscillator contains these major subsystems:
Freescale Semiconductor
1. Internal oscillator: An internally generated, fixed frequency clock, trimmable to ±5%.This is the
2. External oscillator: An external clock that can be driven directly into OSC1.
3. External RC: A built-in oscillator module (RC oscillator) that requires an external R connection only.
4. External crystal: A built-in oscillator module (XTAL oscillator) that requires an external crystal or
•
•
•
•
•
default option out of reset.
The capacitor is internal to the chip.
ceramic-resonator.
Internal oscillator circuit
Internal or external clock switch control
External clock circuit
External crystal circuit
External RC clock circuit
MC68HC908QY/QT Family Data Sheet, Rev. 6
89
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