DS_8014RN_014
73S8014RN Data Sheet
Miscellaneous Inputs and Outputs
Crystal oscillator input: can either be connected to crystal or
driven as a source for the card clock.
XTALIN
9
Figure 17
Figure 17
Crystal oscillator output: connected to crystal. Left open if
XTALIN is being used as external clock input.
XTALOUT
10
VDD fault threshold adjustment input: this pin can be used to
VDDF_ADJ
12
Figure 18 adjust the VDDF value (that controls deactivation of the card).
Must be left open if unused.
Power Supply and Ground
System interface supply voltage and supply voltage for internal
VDD
13
PSO
PSO
Figure 11
circuitry.
VPC
4
11
8
Figure 11 LDO regulator power supply source.
TEST
GND
–
–
Test pin. Should be tied to GND.
Digital ground.
GND
Rev. 1.0
7
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
