8

MPC7455 Part Number Specification for the XPC74x5RXnnnNx Series

MOTOROLA

General Parameters

General Parameters

10101

10x

2x

500

(1000)

667

(1333)

750

(1500)

10011

11x

2x

550

(1100)

733

(1466)

10111

12x

2x

600

(1200)

800

(1600)

01011

13x

2x

650

(1300)

11001

14x

2x

700

(1400)

00011

15x

2x

500

(1000)

750

(1500)

11011

16x

2x

533

(1066)

800

(1600)

00110

PLL off/bypass

PLL off, SYSCLK clocks core circuitry directly

11110

PLL off

PLL off, no core clocking occurs

Table 17. MPC7455 Microprocessor PLL Configuration Example for 800-MHz Parts (continued)

PLL_CFG

[0:4]

Example Bus-to-Core Frequency in MHz (VCO Frequency in MHz)

Bus-to-

Core

Multiplier

Core-to-

VCO

Multiplier

Bus

33.3 MHz

Bus

50 MHz

Bus

66.6 MHz

Bus

75 MHz

Bus

83 MHz

Bus

100 MHz

Bus

133 MHz

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com