DS_1209F_004
73S1209F Data Sheet
Table of Contents
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Hardware Description......................................................................................................................... 8
1.1 Pin Description.............................................................................................................................. 8
1.2 Hardware Overview .................................................................................................................... 11
1.3 80515 MPU Core........................................................................................................................ 11
1.3.1 80515 Overview.............................................................................................................11
1.3.2 Memory Organization ....................................................................................................11
1.4 Program Security........................................................................................................................ 16
1.5 Special Function Registers (SFRs) ............................................................................................ 18
1.5.1 Internal Data Special Function Registers (SFRs)..........................................................18
1.5.2 IRAM Special Function Registers (Generic 80515 SFRs) ............................................19
1.5.3 External Data Special Function Registers (SFRs) ........................................................21
1.6 Instruction Set.............................................................................................................................23
1.7 Peripheral Descriptions............................................................................................................... 23
1.7.1 Oscillator and Clock Generation....................................................................................23
1.7.2 Power Control Modes ....................................................................................................27
1.7.3 Interrupts........................................................................................................................32
1.7.4 UART .............................................................................................................................39
1.7.5 Timers and Counters .....................................................................................................44
1.7.6 WD Timer (Software Watchdog Timer) .........................................................................46
1.7.7 User (USR) Ports...........................................................................................................49
1.7.8 Analog Voltage Comparator ..........................................................................................51
1.7.9 LED Drivers ...................................................................................................................53
1.7.10 I2C Master Interface.......................................................................................................54
1.7.11 Keypad Interface............................................................................................................61
1.7.12 Emulator Port.................................................................................................................67
1.7.13 Smart Card Interface Function ......................................................................................68
1.7.14 VDD Fault Detect Function..........................................................................................102
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Typical Application Schematics.................................................................................................... 103
Electrical Specification................................................................................................................... 105
3.1 Absolute Maximum Ratings...................................................................................................... 105
3.2 Recommended Operating Conditions ...................................................................................... 105
3.3 Digital IO Characteristics .......................................................................................................... 106
3.4 Oscillator Interface Requirements ............................................................................................ 106
3.5 DC Characteristics: Analog Input ............................................................................................. 106
3.6 Smart Card Interface Requirements......................................................................................... 107
3.7 DC Characteristics.................................................................................................................... 109
3.8 Voltage / Temperature Fault Detection Circuits ....................................................................... 109
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Equivalent Circuits ......................................................................................................................... 110
4.1 Package Pin Designation (68-pin QFN) ................................................................................... 117
4.2 Package Pin Designation (44-pin QFN) ................................................................................... 118
4.3 Packaging Information.............................................................................................................. 119
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Ordering Information...................................................................................................................... 121
Related Documentation.................................................................................................................. 121
Contact Information........................................................................................................................ 121
Revision History...................................................................................................................................... 122
Rev. 1.2
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