Description
of Intel’s thermal impedance test methodology.
Features
- of the MCS 51 Family, as listed below:
Port Pin
P3,0 P3.1 P3.2 P3,3 P3.4 P3.5 P3.6 P3.7
Alternative Function
RXD (serial input port) TXD (serial output port) INTO(external interrupt O) INT1 (external interrupt 1) TO(Timer Oexternal input) T1 (Timer 1 external input) WR (external data memory write strobe) ~ (external data memory read strobe)
RST: Reset input. A high on this pin for two machine cycles while the oscillator is running resets the device,
ALE/PROG: Address Latch Enable output pulse.
8031AH Datasheet
