DS_1215F_003
73S1215F 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) ........................................................20
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........................................................................................................................33
1.7.4 UART .............................................................................................................................40
1.7.5 Timers and Counters .....................................................................................................45
1.7.6 WD Timer (Software Watchdog Timer) .........................................................................47
1.7.7 User (USR) Ports...........................................................................................................50
1.7.8 Real-Time Clock with Hardware Watchdog (RTC)........................................................52
1.7.9 Analog Voltage Comparator ..........................................................................................55
1.7.10 LED Drivers ...................................................................................................................57
1.7.11 I2C Master Interface.......................................................................................................58
1.7.12 Keypad Interface............................................................................................................65
1.7.13 Emulator Port.................................................................................................................72
1.7.14 USB Interface ................................................................................................................72
1.7.15 Smart Card Interface Function ......................................................................................76
1.7.16 VDD Fault Detect Function..........................................................................................110
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Typical Application Schematic...................................................................................................... 111
Electrical Specification................................................................................................................... 112
3.1 Absolute Maximum Ratings...................................................................................................... 112
3.2 Recommended Operating Conditions ...................................................................................... 112
3.3 Digital IO Characteristics .......................................................................................................... 113
3.4 Oscillator Interface Requirements ............................................................................................ 114
3.5 DC Characteristics: Analog Input ............................................................................................. 114
3.6 USB Interface Requirements.................................................................................................... 115
3.7 Smart Card Interface Requirements......................................................................................... 117
3.7.1 DC Characteristics.......................................................................................................119
3.8 Voltage / Temperature Fault Detection Circuits ....................................................................... 119
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Equivalent Circuits ......................................................................................................................... 120
Package Pin Designation ............................................................................................................... 129
5.1 68-pin QFN Pinout.................................................................................................................... 129
5.2 44-pin QFN Pinout.................................................................................................................... 130
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Packaging Information ................................................................................................................... 131
6.1 68-Pin QFN Package Outline ................................................................................................... 131
6.2 44-Pin QFN Package Outline ................................................................................................... 132
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Ordering Information...................................................................................................................... 133
Related Documentation.................................................................................................................. 133
Contact Information........................................................................................................................ 133
Revision History...................................................................................................................................... 134
Rev. 1.4
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