MC68340AG16VE Freescale Semiconductor, MC68340AG16VE Datasheet - Page 389
MC68340AG16VE
Manufacturer Part Number
MC68340AG16VE
Description
IC MPU 32BIT 16MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340AG16VE
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Controller Family/series
68K
Core Size
32 Bit
No. Of I/o's
16
Cpu Speed
16MHz
No. Of Timers
2
Embedded Interface Type
UART
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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Price
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Part Number:
MC68340AG16VE
Manufacturer:
Freescale Semiconductor
Quantity:
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The circuit shown in Figure 10-3 is the typical circuit recommended by Statek Corporation,
for 32768 kHz crystal, part number CX-IV. It is recommended to start with these values,
but parameter values may need to be adjusted to compensate for variables in layout.
A separate power pin (V
of the device powered down and to provide increased noise immunity for the clock circuits.
The source for V
(see Figure 10-4) should be placed as close as possible to the V
stable operating frequency.
Additionally, the PLL requires that an external low-leakage filter capacitor, typically in the
range of 0.01 to 0.1 F, be connected between the XFC and V
capacitor should provide 50-M
clock mode without PLL, the XFC pin can be left open. Smaller values of the external filter
capacitor provide a faster response time for the PLL, and larger values provide greater
frequency stability. Figure 10-4 depicts examples of both an external filter capacitor and
bypass capacitors for V
10-2
CCSYN
Figure 10-3. Statek Corporation Crystal Circuit
CCSYN
CCSYN
should be a quiet power supply, and external bypass capacitors
Freescale Semiconductor, Inc.
MC68340
MC68340
Figure 10-2. Sample Crystal Circuit
For More Information On This Product,
.
EXTAL
EXTAL
) is used to allow the clock circuits to operate with the rest
XTAL
XTAL
MC68340 USER’S MANUAL
Go to: www.freescale.com
insulation but should not be electrolytic. For external
20 M
22 M
330 k
470 k
32.768 kHz
32.768 kHz
20 pF
4.7 pF
10 pF
10 pF
CCSYN
CCSYN
pin to ensure a
pins. The XFC
MOTOROLA
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