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ST72104G Datasheet(PDF) 4 Page - STMicroelectronics

Part No. ST72104G
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
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Maker  STMICROELECTRONICS [STMicroelectronics]
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ST72104G, ST72215G, ST72216G, ST72254G
4/135
12 INSTRUCTION SET . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . .. . . . . . . . . . . . . . ... .. . .... 90
12.1 ST7 ADDRESSING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12.1.1Inherent . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 91
12.1.2Immediate . . .... .. . .... . ... .. . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 91
12.1.3Direct . .... . . . .... .... .. . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . . 91
12.1.4Indexed (No Offset, Short, Long) . . . . . .... . ... .. . . . . .... . . . ... . . . . . . . . . . 91
12.1.5Indirect (Short, Long) . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 91
12.1.6Indirect Indexed (Short, Long) . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . 92
12.1.7Relative mode (Direct, Indirect) . . . . . . . .... .... .. . .... .. . . . . . . ... .. . .... 92
12.2 INSTRUCTION GROUPS . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 93
13 ELECTRICAL CHARACTERISTICS . . . . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . . 96
13.1 PARAMETER CONDITIONS . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 96
13.1.1Minimum and Maximum values . . . ... .. .... ... . . . ... .. .. .. .. . . . . . . ... .. 96
13.1.2Typical values . . . . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... .. 96
13.1.3Typical curves . . . . . . . . . . . . . . . . ... . . . . ... .. ... .. .. ... .. . ... .. . . ... . . 96
13.1.4Loading capacitor . . . . . . . . . . . . . . . . . .... . ... .. . . . . .... . . . . .. . . . . . . . . . . 96
13.1.5Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
13.2 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
13.2.1Voltage Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
13.2.2Current Characteristics . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 97
13.2.3Thermal Characteristics
. . . . . . . . . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 97
13.3 OPERATING CONDITIONS . . . . . . . . . . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . 98
13.3.1General Operating Conditions
. . . . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 98
13.3.2Operating Conditions with Low Voltage Detector (LVD) . .... .... .. . . . . . . . . . . 99
13.4 SUPPLY CURRENT CHARACTERISTICS . . . .... ... . ... . . .. .. .. .. . . . . . . ... . 101
13.4.1RUN and SLOW Modes . . . . . . . . ... . . . . . . . . . ... .. .. ... .. .. . . .. . . ... . 101
13.4.2WAIT and SLOW WAIT Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . 102
13.4.3HALT Mode . . . . . . . . .... . ... .. . . . . .... .... .. . .... .. . . . . . . ... .. . . . . 103
13.4.4Supply and Clock Managers . .... .. . .... . ... .. .. .. . . . . . . . ... . . . . . . . . . 103
13.4.5On-Chip Peripherals . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . .. . ... . 103
13.5 CLOCK AND TIMING CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . .... . . ... . 104
13.5.1General Timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
13.5.2External Clock Source
. . . . . . . . . ... . . . . . . . . . ... .. .. ... .. . ... .. . . ... . 104
13.5.3Crystal and Ceramic Resonator Oscillators . . . . .... . . . .... . ... .. . . ... .. . . 105
13.5.4RC Oscillators . . . . . . . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 106
13.5.5Clock Security System (CSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
13.6 MEMORY CHARACTERISTICS . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 108
13.6.1RAM and Hardware Registers
. . . . . . . . . . . . . . . . . . . . . . . . . .... . ... .. . . .. 108
13.6.2FLASH Program Memory . . . . . . . ... . . . . . . . . . ... .. .. ... .. .. . . .. . . ... . 108
13.7 EMC CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
13.7.1Functional EMS . . . . . .... . ... .. .. ... ... . . . . . . . . ... .. . . ... . ... . . . . . . 109
13.7.2Absolute Electrical Sensitivity . . . . . . . . . . . . . . .... . . . .... . ... .. . . ... .. . . 110
13.7.3ESD Pin Protection Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
13.8 I/O PORT PIN CHARACTERISTICS . . . ... .. .... ... . ... . . .. .. .. .. . . . . . . ... . 114
13.8.1General Characteristics . . . . . . . . . . . . . . . ... . . . . . . . . . .... ... . . . . . . . . . . . 114
13.8.2Output Driving Current . . . . .... . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... . 115
13.9 CONTROL PIN CHARACTERISTICS . . . . . . . . ... . . . . ... .. ... .. .. . . . . . . . ... . 117




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