MC68HC908SR12CB Freescale Semiconductor, MC68HC908SR12CB Datasheet - Page 106
MC68HC908SR12CB
Manufacturer Part Number
MC68HC908SR12CB
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC68HC908SR12CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908SR12CB
Manufacturer:
TI/NSC
Quantity:
340
Part Number:
MC68HC908SR12CB
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Oscillator (OSC)
7.5 RC Oscillator
Data Sheet
106
The internal oscillator by default is always available and is free running
after POR or reset. It can be stopped in Stop mode by setting the
STOP_ICLKEN bit before executing the STOP instruction.
Figure 7-4
internal oscillator circuitry.
The RC oscillator circuit is designed for use with external R and C to
provide a clock source with tolerance less than 10%.
In its typical configuration, the RC oscillator requires two external
components, one R and one C. Component values should have a
tolerance of 1% or less, to obtain a clock source with less than 10%
tolerance. The oscillator configuration uses two components:
•
•
MCU
C
R
STOP_ICLKEN
EXT
EXT
CONFIG2
shows the logical representation of components of the
From SIM
Oscillator (OSC)
Figure 7-4. Internal Oscillator
SIMOSCEN
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
INTERNAL OSCILLATOR
To Clock Selection MUX
and COP
EN
ICLK
Freescale Semiconductor
BUS CLOCK
From SIM
OSC2
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