80515

The 80515 is a stand-alone, high-performance single-chip microcontroller based on the 8051 architecture. While maintaining all the 8051 operating characteristics, the 80515/80535 incorporates several enhancements which significantly increase design flexibility and overall system performance. With on-board A/D Converter and Watchdog Timer, the 80515 is ideal for motor control applications ranging from automotive engines to vending machines. The 80535 is identical to the 80515 except that it lacks the on-chip ROM.

The features of 80515 can be summarized as (1)8Kx8 ROM (80515 only); (2)256x8 RAM; (3)six 8-bit ports; 48 I/O lines; (4)three 16-bit timer/event counters; (5)reload, capture, compare capabilities on timer 2; (6)full-dupiex serial port; (7)twelve interrupt sources; four priority levels; (8)8-bit A/D converter; (9)upwardscompatible with 8051; (10)16-bit watchdog timer; (11)VPD provides standby current for 40 bytes of RAM; (12)boolean processor; (13)256 bit-addressable locations; (14)most instructions execute in 1 us; (15)64K bytes program memory space; (16)64K bytes data memory space.

The absolute maximum ratings of 80515 are (1)storage temperature: -65 to +150°C; (2)voltage on any pin with respect to ground(VSS): -0.5 to +70V; (3)power dissipation: 2W; (4)temperature (TA):0 to 70°C; (5)supply voltage (VCC): 50 ±10%; (6)ground(VSS):0V.(Stresses above those ABSOLUTE MAXIMUM RATINGS may cause permanent device failure. Functionality at or above these limits is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliability.)