XPC7445 Datasheet, PDF (8/12 Pages) Freescale Semiconductor, Inc – RISC Microprocessor Hardware Specifications

General Parameters
Freescale Semiconductor, Inc.
Table 17. MPC7455 Microprocessor PLL Configuration Example for 800-MHz Parts (continued)
Example Bus-to-Core Frequency in MHz (VCO Frequency in MHz)
PLL_CFG
[0:4]
Bus-to-
Core
Multiplier
Core-to-
VCO
Multiplier
Bus
33.3 MHz
Bus
50 MHz
Bus
66.6 MHz
Bus
75 MHz
Bus
Bus
Bus
83 MHz 100 MHz 133 MHz
10101
10011
10111
01011
11001
00011
11011
00110
11110
10x
2x
11x
2x
12x
2x
13x
2x
14x
2x
15x
2x
16x
2x
PLL off/bypass
PLL off
500
(1000)
533
(1066)
500
(1000)
667
(1333)
750
(1500)
550
(1100)
733
(1466)
600
(1200)
800
(1600)
650
(1300)
700
(1400)
750
(1500)
800
(1600)
PLL off, SYSCLK clocks core circuitry directly
PLL off, no core clocking occurs
8
MPC7455 Part Number Specification for the XPC74x5RXnnnNx Series MOTOROLA
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