Download 12.2.5 Class or Vendor read command with 1 byte data
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Contents 1 Introduction ........................................................................................................... 13 1.1 2 3 Related Documents ...................................................................................................................... 13 System ................................................................................................................... 14 2.1 Features........................................................................................................................................ 14 2.2 Applications .................................................................................................................................. 15 Pin definitions........................................................................................................ 17 3.1.1 3.1.2 Pull-Up / Pull-Down Resistors ............................................................................................... 18 Hardware Reset..................................................................................................................... 18 4 Pin diagram............................................................................................................ 19 5 Pin list .................................................................................................................... 20 6 Application schematic .......................................................................................... 21 7 8051 Microprocessor ............................................................................................ 22 7.1 8 Special Function Registers .................................................................................. 24 8.1 9 Internal data memory.................................................................................................................... 22 SFR Summary Table .................................................................................................................... 24 SFR descriptions................................................................................................... 28 9.1 SP - Stack Pointer ........................................................................................................................ 28 9.2 PSW – Program Status Word....................................................................................................... 29 9.3 ACC - Accumulator ....................................................................................................................... 30 9.4 B register ...................................................................................................................................... 31 9.5 MPAGE......................................................................................................................................... 32 9.6 PCON - Power Control ................................................................................................................. 33 9.7 CKCON - Clock Control................................................................................................................ 34 9.8 SPC_FNC – Special function ....................................................................................................... 35 9.9 Dual Data Pointers........................................................................................................................ 36 9.9.1 DPS - Data Pointer Select..................................................................................................... 36 9.9.2 DP0 - Data Pointer Zero........................................................................................................ 37 9.9.3 DP1 - Data Pointer One ........................................................................................................ 37 9.10 Timers/Counters........................................................................................................................ 38 9.10.1 TMOD .................................................................................................................................... 38 9.10.2 TCON - Timer/Counter Control ............................................................................................. 39 9.10.3 Timer0 ................................................................................................................................... 40 9.10.4 Timer1 ................................................................................................................................... 40 9.10.5 T2CON – Timer 2 control ...................................................................................................... 41 9.10.6 RCAP2 – Timer 2 Reload/Capture value ............................................................................. 42 Ref# D73701-003 CE6231 User Manual 3