CS2300-CP

4

DS843F1

1. PIN DESCRIPTION

Pin Name

#

Pin Description

VD

1

Digital Power (Input) - Positive power supply for the digital and analog sections.

GND

2

Ground (Input) - Ground reference.

CLK_OUT

3

PLL Clock Output (Output) - PLL clock output.

AUX_OUT

4

Auxiliary Output (Output) - This pin outputs a buffered version of one of the input or output clocks,

or a status signal, depending on register configuration.

CLK_IN

5

Frequency Reference Clock Input (Input) - Clock input for the Digital PLL frequency reference.

FILTP

FILTN

6

7

LCO Filter Connections (Input/Output) - These pins provide external supply filtering for the inter-

nal LC Oscillator.

AD0/CS

8

Address Bit 0 (I²C) / Control Port Chip Select (SPI) (Input) - AD0 is a chip address pin in I²C

Mode. CS is the chip select signal in SPI Mode.

SCL/CCLK

9

Control Port Clock (Input) - SCL/CCLK is the serial clock for the serial control port in I²C and SPI

mode.

SDA/CDIN

10

Serial Control Data (Input/Output) - SDA is the data I/O line in I²C Mode. CDIN is the input data

line for the control port interface in SPI Mode.

1

2

3

4

5

6

7

8

9

10

FILTP

CLK_OUT

GND

VD

FILTN

AD0/CS

SCL/CCLK

SDA/CDIN

AUX_OUT

CLK_IN