Description
of Intel’s thermal impedance test methodology.
Do not connect
PI.’ P1.1 P1.2 P1.3 P1.4 P1.5 P1,6 P1.7 RST RU2 P3.O TXD P3.1 INTO P3.2 INT1 P3,3 TOP3 4 11 P3.5 ~ P3.6 t% P3.7 XTAL2 XTAL1
I’__”ll
1
2
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)
I
Port Pin P1.0 P1.1
I
Alternative Function T2 (Timer/Counter 2 External Input) T2EX (Timer/Counter 2 Capture/Reload Trigger)
I
RST: Reset input. A hig.
N8051AH Datasheet
