MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 820

• Manufacturer Part Number: MC68EN360AI25VL
• Manufacturer: Freescale

Specifications of MC68EN360AI25VL

• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 25MHz
• Instruction Set Architecture: RISC
• Operating Supply Voltage (max): 3.3V
• Operating Supply Voltage (min): 2.7V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 240
• Package Type: FQFP
• Lead Free Status / RoHS Status: Compliant

Electrical Characteristics
10.8 EXTERNAL CAPACITOR FOR PLL
Examples:
10-8
PLL external capacitor (XFC to VCCSYN)
MF<5 (recommended value MF
MF>4 (recommended value MF
Note: 1. MF – multiplication factor.
1. MODCK1 pin = 0, MF = 1
2. MODCK1 pin = 1, crystal is 32.768 KHz (or 4.192 MHz), initial MF = 401, initial fre-
3. MODCK1 pin = 1, crystal is 32.768 KHz (or 4.192 MHz), initial MF = 401, initial fre-
3A. In order to get higher range, higher crystal frequency can be used (i.e. 50 KHz), in this
quency = 13.14 MHz, later on MF is changed to 762 to support a frequency of 25 MHz.
Minimum c
recommended c
289 nF < c
390 nF.
quency = 13.14 MHz; later, MF is changed to 1017 to support a frequency of 33.34
MHz.
Minimum c
nF < c
The proper available value for c
case:
Minimum c
nF < c
(OUTPUT)
(OUTPUT)
(INPUT)
CLKO1
CLKO2
EXTAL
Characteristic
XFC
XFC
XFC
XFC
< 390 nF.
< 390 nF.
XFC
XFC
5C
4A
4
< 390 nF and closer to 414 nF. The proper available value for c
is: 1017 x 380 = 386 nF. Maximum c
is: 667 x 380 = 253 nF. Maximum c
is: 762 x 380 = 289 nF, maximum c
XFC
Freescale Semiconductor, Inc.
for 25 MHz is: 762 x 540 = 414 nF.
400 pF)
For More Information On This Product,
540 pF)
Figure 10-2. Clock Timing
MC68360 USER’S MANUAL
5
5A
Go to: www.freescale.com
c
Symbol
XFC
c
XFC
XFC
2A
= 400 pF
is 390 nF.
2
1A
MFX680
MFX760
5D
5B
Min
1C
3.3v
3A
1
MFX1940
MFX960
XFC
Max
XFC
XFC
3
is: 401 x 970 = 390 nF
is: 401 x 970 = 390 nF. The
is: 401 x 970 = 390 nF
MFX340
MFX380
Min
VOLTAGE MIDPOINT
5.0 V
MFX480
MFX970
Max
XFC
Unit
pF
pF
253
386
is