ncn6000 ON Semiconductor, ncn6000 Datasheet - Page 35

• Manufacturer Part Number: ncn6000
• Description: Compact Smart Card Interface Ic
• Manufacturer: ON Semiconductor

Summary
PIN FUNCTIONS AND DESCRIPTION
MAXIMUM RATINGS
POWER SUPPLY SECTION
DIGITAL PARAMETERS SECTION
SMART CARD INTERFACE SECTION
PROGRAMMING AND STATUS FUNCTIONS
CARD VCC, CARD CLOCK AND CARD
DETECTION POLARITY PROGRAMMING
DC−DC CONVERTER AND CARD DETECTOR
STATUS
CARD POWER SUPPLY TIMINGS
BASIC OPERATING MODE FLOW CHART
STANDBY MODE
PROGRAMMING MODE
ACTIVE MODE
TRANSACTION MODE
IDLE MODE
CARD POWER DOWN MODE
CARD DETECTION
POWER MANAGEMENT
VBAT SUPPLY VOLTAGE MONITORING
DC−DC CONVERTER OPERATION
CLOCK DIVIDER
BIDIRECTIONNAL LEVEL SHIFTER
INPUT SCHMITT TRIGGERS
INTERRUPT FUNCTIONS
SECURITY FEATURES
ESD PROTECTION
MULTI CARD PARALLEL OPERATION
MINIMUM POWER CONSUMPTION
PRINTED CIRCUIT BOARD LAYOUT
APPLICATION NOTE
PACKAGE OUTLINE DIMENSIONS
CONCLUSION
Subject
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http://onsemi.com
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NCN6000
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Figure Index
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Simplified Application Diagram
Typical Application Diagram
Block Diagram
Programming and Normal Operation Basic
Timing
Interrupt Servicing and Card Polling
Card Power Supply Turn ON and OFF
Timing
Operating Modes Flow Chart
Minimum Programming Timings
Typical Power Down Sequence in the
NCN6000 Interface
Power Down Sequence Details
Card Insertion Detection and Interrupt
Signals
Card Extraction Detection and Interrupt
Signals
Interrupt Acknowledgement during a Card
Insertion Detection Sequence.
Card Power Supply Control
Smart Card Signals Sequence at Power On
Typical Vbat Monitoring
Basic DC−DC Structure
DC−DC Operating Modes
Typical DC Operating Current
Typical Y7R Ceramic Type Value as a
Function of the Temperature.
CRD_VCC Ripple as a Function of the
Capacitor Technology
External Capacitor Current Charge and
CRD_VCC Voltage Ripple
CRD_VCC Voltage Ripple
Simplified Frequency Divider and
Programming Functions
Clock Programming Examples
Command Stop Clock HIGH
Command Stop Clock LOW
Command Resume Clock Normal Operation
Card Clock Rise and Fall Time
Basic internal I/O Level Shifter
Typical CRD_IO Rise Time
Typical I/O and RST Signals During an ATR
Sequence
Typical Schmitt Trigger Characteristic
Typical Single Sided Printed Circuit Board
Layout
NCN6000 Single Interface Demo Board
Typical Dual Interface Application
Title
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