Manual

CS2300-CP

4 DS843F2

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

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.