MC68MH360EM25L Freescale Semiconductor, MC68MH360EM25L Datasheet - Page 820

• Manufacturer Part Number: MC68MH360EM25L
• Description: IC MPU QUICC ETHER 25MHZ 240FQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68MH360EM25L

• Processor Type: M683xx 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 240-FQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -

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
MOTOROLA
XFC
Unit
pF
pF
253
386
is