TP8031AH - MCS51 8-BIT CONTROL-ORIENTED MICROCONTROLLERS
of Intel’s thermal impedance test methodology.
~“52’80320NL’ L{ ~ 40 39 38 37 36 35 34 33 T2 T2EX ‘1 ‘ss+!-29 26 27 26 25 24 23 22 21 EPROM only q “ *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
TP8031AH Features
* of the MCS 51 Family, as listed below: written to them are pulled high by the internal pullDataSheet4U.com UPS,and in that state can be used as inputs. As inputs, Port 1 pins that are externally pulled low will Port Alternative Function source current (IIL on the data sheet) because of the Pin inter