
Table of Contents
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10.5 INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 42
10.6 I/O PORT IMPLEMENTATION . . . . . . . ... . . . . . . . . . ... .. .. ... .. .. . . .. . . ... .. 42
11 ON-CHIP PERIPHERALS . . . . . . .... . ... .. . . ... ... . ... .. . . ... .. . . ... . ... .. .. ... 44
11.1 LITE TIMER (LT) . .... .. . .... . ... .. . . . . .... . ... .. . . ... .. . . . . . . ... .. . . ... 44
11.2
12-BIT AUTORELOAD TIMER (AT) . . . . . . . .... .... .. . . . . . . . . . . . . . ... .. . .... 49
11.3 SERIAL PERIPHERAL INTERFACE (SPI) . .... . ... .. .. .. . . . . . . . ... .. .. . . ... . 55
11.4 8-BIT A/D CONVERTER (ADC) .... ... . . . .... . . . ... . . . . . . . . . . . . . ... ... . . . . 66
12 INSTRUCTION SET . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . .. . . . . . . . . . . . . . ... .. . .... 71
12.1 ST7 ADDRESSING MODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
12.2 INSTRUCTION GROUPS . . . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 74
13 ELECTRICAL CHARACTERISTICS . . . . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . . 77
13.1 PARAMETER CONDITIONS . . . . . . . . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . . 77
13.2 ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
13.3 OPERATING CONDITIONS . . . . . . . . . . . . . .... .... .. . .... .. . . . . . . ... .. . . . . . 79
13.4 SUPPLY CURRENT CHARACTERISTICS . . . .... ... . ... . . .. .. .. .. . . . . . . ... .. 85
13.5 CLOCK AND TIMING CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . .... . . ... .. 87
13.6 MEMORY CHARACTERISTICS . . . . . . ... .. ... .. .. . . . . . . . ... .. .. .... . . ... .. 88
13.7 EMC CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
13.8 I/O PORT PIN CHARACTERISTICS . . . ... .. .... ... . ... . . .. .. .. .. . . . . . . ... .. 94
13.9 CONTROL PIN CHARACTERISTICS . . . . . . . . ... . . . . ... .. ... .. .. . . . . . . . ... .. 99
13.10 COMMUNICATION INTERFACE CHARACTERISTICS . . . . . .... .... .. . . . . . . . . . 100
13.11 8-BIT ADC CHARACTERISTICS . . . . . . . . .... . ... .. . . . . .... . . . ... . . . . . . . . . 102
14 PACKAGE CHARACTERISTICS . . . . . . .... .. . .... . ... .. .. .. .... . . . ... . . . . . . . . . 105
14.1 PACKAGE MECHANICAL DATA . . . . . . . . . . . . . . . .... .... ... . ... .. . . ... .. . . 105
14.2 THERMAL CHARACTERISTICS . . . . . . . . . . . .... ... . . . ... .. .. .. .. . . . . . . ... . 106
14.3 SOLDERING AND GLUEABILITY INFORMATION . . . . . . . . . . . . . . . . . . . . . .... . . . 107
15 DEVICE CONFIGURATION AND ORDERING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . 108
15.1 OPTION BYTES . . . .... .... .. . . . . . . . . .... . ... .. .. .. . .... ... . . . . . . . . . . . 108
15.2 DEVICE ORDERING INFORMATION . . . . . . . . . . . . .... .... ... . . . . . . . . ... .. . . 109
15.3 DEVELOPMENT TOOLS . . . . . . . . . . . . . . . . . . . . . .... . . . . ... . ... .. . . ... .. . . 111
15.4 ST7 APPLICATION NOTES . . . . . . . . . . . . . . . ... . . . . . . . . . .... ... . . . . . . . . . . . 112
15.5 TO GET MORE INFORMATION . . . . . . ... . . . . . . . . . ... .. .. ... .. .. . . .. . . ... . 113
16 SUMMARY OF CHANGES
. . . . . . . . .... . . ... .. .... ... . . . . . . . . . . . . . . . . . . . . ... . 114
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