73S8014R 데이터 시트보기 (PDF) - Teridian Semiconductor Corporation

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73S8014R

Smart Card Interface

Teridian Semiconductor Corporation 

DS_8014R_012

73S8014R Data Sheet

Miscellaneous Inputs and Outputs

XTALIN

9

Figure 17

XTALOUT

10

Figure 17

VDDF_ADJ 12

Figure 18

Power Supply and Ground

VDD

13 PSO

VPC

GND

4

8, 11

PSO

GND

Figure 11

Figure 11

–

Crystal oscillator input: can either be connected to crystal or

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

XTALIN is being used as external clock input. Note: When not

using the crystal, the capacitors must be removed.

VDD fault threshold adjustment input: this pin can be used to adjust

the VDDF value (that controls deactivation of the card). Must be

left open if unused.

System interface supply voltage and supply voltage for internal

circuitry.

LDO regulator power supply source.

Digital ground.

Rev. 1.0

7

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