Rev 1.1, August 7, 2008

Page 3 of 12

SL38000

Pin Description

Pin

Number

Pin Name

Pin

Type

Pin Description

1

XIN/CLKIN

Input

Crystal oscillator or external clock input.

2

MF-8

Input

Multi function input/output. Programmed as OE, FS. There is no programmable

pull-up/down resistor.

3

MF-9

I/O

Multi function input/output. Programmed as REFOUT-1, OE, PD#, SSON# or

FS. Only programmable pull-up resistor available.

4

VIN

Input

VCXO control pin VIN.

11

CLKOUT-1

or MF-1

I/O

Programmable Clock Output-1. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

12

CLKOUT-8,

SDATA or

MF-10

I/O

Programmed as Clock Output-8 or Serial Data Input or multi function input.

This pin can be programmed as OE, PD#, SSON# or FS. Programmable pull-

up/down resistor is available.

13

CLKOUT-2

or MF-2

I/O

Programmable Clock Output-2. This pin can be programmed as OE, PD#,

SSON# or FS. This pin can be programmed as OE, PD#, SSON# or FS.

Programmable pull-up/down resistor is available.

14

CLKOUT-9,

SCLK or

MF-11

I/O

Programmable Clock Output-9, Serial Data Input Clock or multi function input.

This pin can be programmed as OE, PD#, SSON# or FS. Programmable pull-

up/down resistor is available.

15

CLKOUT-3

or MF-3

I/O

Programmable Clock Output-3. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

16

CLKOUT-4

or MF-4

I/O

Programmable Clock Output-4. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

17

CLKOUT-5

or MF-5

I/O

Programmable Clock Output-5. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

18

CLKOUT-6

or MF-6

I/O

Programmable Clock Output-6. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

19

CLKOUT-7

or MF-7

I/O

Programmable Clock Output-7. This pin can be programmed as OE, PD#,

SSON# or FS. Programmable pull-up/down resistor is available.

24

MF-12

Input

Multi function input. Programmed as OE, PD#, SSON# or FS.

Programmable pull-up/down resistor is available.

25

MF-13

I/O

Multi function input/output. Programmed as REFOUT-2, OE, PD#, SSON# or

FS. Programmable pull-up/down resistor is available.

26

VDDA

Power

Power supply, 3.3V to 2.5V, for PLLs.

27

VDDX

Power

Power supply, 3.3V to 2.5V, for oscillator and core logic.

7

VSSX

Power

Power supply ground for oscillator and core logic.

8

VSSA

Power

Power supply ground for PLLs.

5

VDDO-1

Power

Power supply for CLKOUT-3, 3.3V to 2.5V or 1.8V, VDDO ≤ VDD.

6

VDDO-2

Power

Power supply for CLKOUT-1/2/8/9, 3.3V to 2.5V or 1.8V, VDDO ≤ VDD.