DS_8014R_012
73S8014R Data Sheet
Miscellaneous Inputs and Outputs
Crystal oscillator input: can either be connected to crystal or
XTALIN
9
Figure 17 driven as a source for the card clock. Note: When not using the
crystal, the capacitors must be removed.
Crystal oscillator output: connected to crystal. Left open if
Figure 17 XTALIN is being used as external clock input. Note: When not
using the crystal, the capacitors must be removed.
XTALOUT
VDDF_ADJ
10
12
VDD fault threshold adjustment input: this pin can be used to adjust
Figure 18 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
Figure 11
circuitry.
VPC
GND
4
PSO
GND
Figure 11
–
LDO regulator power supply source.
Digital ground.
8, 11
Rev. 1.0
7
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
