CS2000-OTP
1. PIN DESCRIPTION
M0
M1
M2
VD
10
9
1
2
3
4
5
GND
8
CLK_OUT
AUX_OUT
CLK_IN
XTI/REF_CLK
XTO
7
6
Pin Name
VD
#
1
2
3
Pin Description
Digital Power (Input) - Positive power supply for the digital and analog sections.
Ground (Input) - Ground reference.
GND
CLK_OUT
PLL Clock Output (Output) - PLL clock output.
Auxiliary Output (Output) - This pin outputs a buffered version of one of the input or output clocks,
or a status signal, depending on configuration.
AUX_OUT
CLK_IN
4
5
Frequency Reference Clock Input (Input) - Clock input for the Digital PLL frequency reference.
Crystal Connections (XTI/XTO) / Timing Reference Clock Input (REF_CLK) (Input/Output) -
XTI/XTO are I/O pins for an external crystal which may be used to generate the low-jitter PLL input
clock. REF_CLK is an input for an externally generated low-jitter reference clock.
XTO
XTI/REF_CLK
6
7
M2
M1
M0
8
9
Mode Select (Input) - M2 is a configurable mode selection pin.
Mode Select (Input) - M1 is a configurable mode selection pin.
10 Mode Select (Input) - M0 is a configurable mode selection pin.
4
DS758F3
CIRRUS [ CIRRUS LOGIC ]
