DS_1217F_002
73S1217F 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 Supply Management ..........................................................................................26
1.7.3 Power ON/OFF..............................................................................................................27
1.7.4 Power Control Modes ....................................................................................................28
1.7.5 Interrupts........................................................................................................................35
1.7.6 UART .............................................................................................................................42
1.7.7 Timers and Counters .....................................................................................................47
1.7.8 WD Timer (Software Watchdog Timer) .........................................................................49
1.7.9 User (USR) Ports...........................................................................................................52
1.7.10 Real-Time Clock with Hardware Watchdog (RTC)........................................................54
1.7.11 Analog Voltage Comparator ..........................................................................................57
1.7.12 LED Driver .....................................................................................................................59
1.7.13 I2C Master Interface.......................................................................................................60
1.7.14 Keypad Interface............................................................................................................67
1.7.15 Emulator Port.................................................................................................................74
1.7.16 USB Interface ................................................................................................................75
1.7.17 Smart Card Interface Function ......................................................................................78
1.7.18 VDD Fault Detect Function..........................................................................................113
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Application Schematics ................................................................................................................. 114
2.1 Typical Application Schematic 1............................................................................................... 114
2.2 Typical Application Schematic 2............................................................................................... 115
Electrical Specification................................................................................................................... 116
3.1 Absolute Maximum Ratings...................................................................................................... 116
3.2 Recommended Operating Conditions ...................................................................................... 116
3.3 Digital IO Characteristics .......................................................................................................... 117
3.4 Oscillator Interface Requirements ............................................................................................ 118
3.5 DC Characteristics: Analog Input ............................................................................................. 118
3.6 USB Interface Requirements.................................................................................................... 119
3.7 Smart Card Interface Requirements......................................................................................... 121
3.8 DC Characteristics.................................................................................................................... 123
3.9 Current Fault Detection Circuits ............................................................................................... 125
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Equivalent Circuits ......................................................................................................................... 126
4.1 Package Pin Designation (68-Pin QFN)................................................................................... 135
4.2 Packaging Information.............................................................................................................. 136
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Ordering Information...................................................................................................................... 137
Related Documentation.................................................................................................................. 137
Contact Information........................................................................................................................ 137
Revision History...................................................................................................................................... 138
Rev. 1.2
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