73S1217F Maxim, 73S1217F Datasheet - Page 4

• Manufacturer Part Number: 73S1217F
• Description: The Teridian 73S1217F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
• Manufacturer: Maxim

Figures
Figure 1: IC Functional Block Diagram ......................................................................................................... 7
Figure 2: Memory Map ................................................................................................................................ 15
Figure 3: Clock Generation and Control Circuits ........................................................................................ 23
Figure 4: Oscillator Circuit ........................................................................................................................... 25
Figure 5: Detailed Power Management Logic Block Diagram .................................................................... 26
Figure 6: Power-Down Control .................................................................................................................... 29
Figure 7: Detail of Power-Down Interrupt Logic .......................................................................................... 30
Figure 8: Power-Down Sequencing ............................................................................................................ 30
Figure 9: External Interrupt Configuration ................................................................................................... 35
Figure 10: Real Time Clock Block Diagram ................................................................................................ 54
Figure 11: I
Figure 12: I
Figure 13: Simplified Keypad Block Diagram ............................................................................................. 67
Figure 14: Keypad Interface Flow Chart ..................................................................................................... 69
Figure 15: USB Block Diagram ................................................................................................................... 75
Figure 16: Smart Card Interface Block Diagram ......................................................................................... 78
Figure 17: Smart Card Interface Block Diagram ......................................................................................... 79
Figure 18: Asynchronous Activation Sequence Timing .............................................................................. 81
Figure 19: Deactivation Sequence .............................................................................................................. 82
Figure 20: Smart Card CLK and ETU Generation ...................................................................................... 83
Figure 21: Guard, Block, Wait and ATR Time Definitions .......................................................................... 84
Figure 22: Synchronous Activation ............................................................................................................. 86
Figure 23: Example of Sync Mode Operation: Generating/Reading ATR Signals ..................................... 86
Figure 24: Creation of Synchronous Clock Start/Stop Mode Start Bit in Sync Mode ................................. 87
Figure 25: Creation of Synchronous Clock Start/Stop Mode Stop Bit in Sync Mode ................................. 87
Figure 26: Operation of 9-bit Mode in Sync Mode ...................................................................................... 88
Figure 27: 73S1217F Typical Application Schematic (Handheld USB PINpad, with Combo USB-
Figure 28: 73S1217F Typical Application Schematic (USB Transparent Reader and USB Key
Figure 29: 12 MHz Oscillator Circuit ......................................................................................................... 126
Figure 30: 32KHz Oscillator Circuit ........................................................................................................... 126
Figure 31: Digital I/O Circuit ...................................................................................................................... 127
Figure 32: Digital Output Circuit ................................................................................................................ 127
Figure 33: Digital I/O with Pull Up Circuit .................................................................................................. 128
Figure 34: Digital I/O with Pull Down Circuit ............................................................................................. 128
Figure 35: Digital Input Circuit ................................................................................................................... 129
Figure 36: OFF_REQ Interface Circuit ..................................................................................................... 129
Figure 37: Keypad Row Circuit ................................................................................................................. 130
Figure 38: Keypad Column Circuit ............................................................................................................ 130
Figure 39: LED Circuit ............................................................................................................................... 131
Figure 40: Test and Security Pin Circuit ................................................................................................... 131
Figure 41: Analog Input Circuit ................................................................................................................. 132
Figure 42: Smart Card Output Circuit ....................................................................................................... 132
Figure 43: Smart Card I/O Circuit ............................................................................................................. 133
Figure 44: PRES Input Circuit ................................................................................................................... 133
Figure 45: USB Circuit .............................................................................................................................. 134
Figure 46: ON_OFF Input Circuit .............................................................................................................. 134
Figure 47: 73S1217F Pinout ..................................................................................................................... 135
Figure 48: 73S1217F 68 QFN Mechanical Drawing ................................................................................. 136
4
Bus and Self-powered Configuration) ..................................................................................... 114
Configuration) .......................................................................................................................... 115
2
2
C Write Mode Operation .......................................................................................................... 61
C Read Operation ................................................................................................................... 62
Rev. 1.2