Datasheet

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