MC908QL4MDTER Freescale Semiconductor, MC908QL4MDTER Datasheet - Page 105
MC908QL4MDTER
Manufacturer Part Number
MC908QL4MDTER
Description
IC MCU 8BIT 4K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QL3VDTE.pdf
(226 pages)
Specifications of MC908QL4MDTER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN (Local Interconnect Network)
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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11.3.4 XTAL Oscillator
The XTAL oscillator circuit is designed for use with an external crystal or ceramic resonator to provide an
accurate clock source. In this configuration, the OSC2 pin is dedicated to the external crystal circuit. The
OSC2EN bit has no effect when this clock mode is selected.
In its typical configuration, the XTAL oscillator is connected in a Pierce oscillator configuration, as shown
in
represent actual circuitry.
The oscillator configuration uses five components:
Freescale Semiconductor
Figure
•
•
•
•
•
Crystal, X
Fixed capacitor, C
Tuning capacitor, C
Feedback resistor, R
Series resistor, R
11-2. This figure shows only the logical representation of the internal components and may not
The series resistor (R
oscillator guidelines and may not be required for all ranges of operation,
especially with high frequency crystals. Refer to the oscillator
characteristics table in the electricals section for more information.
1
SIMOSCEN (internal signal) OR
OSCENINSTOP (bit located in
MCU
configuration register))
S
Figure 11-2. XTAL Oscillator External Connections
1
(optional)
2
OSC1
B
(can also be a fixed capacitor)
C
1
S
MC68HC908QL4 Data Sheet, Rev. 8
) is included in the diagram to follow strict Pierce
R
X
B
1
XTALCLK
NOTE
OSC2
R
C
S
2
BUSCLKX4
See the electrical section for details.
÷ 2
BUSCLKX2
Functional Description
105
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