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6V49205B REVISION R 11/23/16

1

©2016 Integrated Device Technology, Inc.

Freescale P10XX and P20XX System Clock

w/Selectable DDR Frequency

6V49205B

General Description

The 6V49205B is a main clock for Freescale P10xx and

P20xx-based systems. It has a selectable System CCB clock

and 2 DDRCLK speeds – 100M or 66.66M. The 6V49205B

also provides LP-HCSL PCIe outputs for low power and

reduced board space.

Output Features

80M/66.66M

Key Specifications

Recommended Application

System Clock for Freescale P10xx and P20xx-based designs

Features

lowers cost, power and area

demanding environmental conditions

low-power

Sys_CCB/DDRCLK and PCIe outputs

0.5mm pad pitch; reduced board space without the need for

fine-pitch assembly techniques

Block Diagram

Note 1

: For DDR Clock: Processor core and I/O supply rails must be ramped with VDD3P3 or earlier. Clock signal will be

clamped LOW and output clock will be 100MHz if this is not followed (see diagram below).

GND

Crystal

Oscillator

PLL1

(SS)

25MHz

Crystal

X1

X2

PLL3

(non-

SS)

REF(5:0)

DDRCLK

Sys_CCB

PLL4

(SS)

PCIe_L(5:0)

Control

Logic

SCLK

2.048M(1:0)

USB_CLK(2:1)

^FS0

PLL2

(non-

SS)

125M

^FS1

^SEL100#_66

^SELPCIE125#_100

SDATA

100MHz

DDRCLK

R40

R39

VDD3P3

10K

10K