MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 383

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• 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 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

23.12 Clock Generation Module Characteristics
23.12.1 CGM Operating Conditions
23.12.2 CGM Component Information
MC68HC908AB32
Freescale Semiconductor
Operating Voltage
Crystal Reference Frequency
Module Crystal Reference
Range Nominal Multiplier
VCO Center-of-Range Frequency
VCO Operating Frequency (MHz)
Crystal load capacitance
Crystal fixed capacitance
Crystal tuning capacitance
Feedback bias resistor
Series resistor
Filter capacitor multiply factor
Filter capacitor
Bypass capacitor
Frequency
(MHz)
Characteristic
Characteristic
—
Rev. 1.1
Symbol
C
C
R
R
C
C
C
C
Fact
BYP
B
S
F
L
1
2
Symbol
f
f
f
f
V
RCLK
f
XCLK
VCLK
NOM
VRS
DD
Electrical Specifications
Min
—
—
—
—
—
—
—
—
4.9152
4.9152
4.5 V
Min
—
—
1
C
Fact
× (V
0.0154
330kΩ
2 × C
2 × C
0.1 µF
22MΩ
4.9152 MHz
4.9152 MHz
Typ
—
DDA
Typ
—
—
—
—
L
L
/f
XCLK)
1MΩ
Max
5.5 V
Max
32.0
32.0
—
—
—
—
—
—
—
8.4
—
—
Consult crystal
Consult crystal
Consult crystal
Not required
See
C
manufacturer’s data
manufacturer’s data
manufacturer’s data
Capacitor Pin
(CGMXFC).
BYP
AC impedance from f =
f
f
resistance must be
considered.
XCLK
VCLK
Same Frequency as
4.5 to 5.5 V, V
4.5 to 5.5 V, V
Electrical Specifications
f
9.5.3 External Filter
RCLK
must provide low
/100 to 100 ×
, so series
Comments
F/s V
Unit
Technical Data
DD
DD
only
only
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