2’s complement 121, 126
7-segment display 283–288, 343–344,
349, 354–355, 359
common anode type 283, 344
common cathode type 283, 355
driver for 283
interfacing 283
segment nomenclature 283
8-bit microcontroller 369
9
th
bit (in serial communication) 244
usage of 246–247
16-bit microcontroller 369
32-bit microcontroller 369
8031 (IC) 6, 261
8032 (IC) 6
8051 (IC) 6 (also see MCS-51)
Accessing unselected bank’s registers 18
Address bus 2, 16, 256–261
higher order 15
lower order 14
demultiplexing 15
Alternate signals 14–15, 16
Architecture 16
Bank selection 31
after reset 18, 22
importance of 46
Bit-addressable area 18, 20
address range 130
advantage of 20
bit addresses 20
example of accessing 20
usage of unused bytes 20
utility 20, 129
Bus controller 16
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