HD151TS302ARP

Rev.5.00, May.19.2003, page 3 of 12

SSC Function Table

SEL1 :0

Spread Percentage

0 0

–1.0%

0 1

–3.0%

1 0

SSC OFF

1 1

–0.5%

Note:

–3.0% SSC is selected for default by internal pull-up & down resistors.

Clock Frequency Table

XIN(MHz)

SSCCLKOUT(MHz)

CLKOUT(MHz)

48

48

*1

48

*2

24

24

*1

24

*2

Notes: 1. With spread spectrum modulation.

2. Without spread spectrum modulation.

Pin Descriptions

Pin name

No.

Type

Description

GND

3

Ground

GND pin

VDD

2

Power

Power supplies pin. Normally 3.3 V.

CLKOUT

7

Output

Normally 3.3 V reference clock output.

SSCCLKOUT

1

Output

Spread spectrum modulated clock output.

XIN

4

Input

Oscillator input.

XOUT

5

Output

Oscillator output.

SEL0

6

Input

SSC mode select pin. LVCMOS level input.

Pull-up by internal resistor. (100 k

Ω).

SEL1

8

Input

SSC mode select pin. LVCMOS level input.

Pull–down by internal resistor (100 k

Ω).