User guide

Arch Meter Corporation PS1000 Ver1.2
PS1000Rev. 1.2 May 2006
6/ 67
www.archmeter.com
P0.6 I/O 8051 P0 I/O port bit 6 (mapped to the AD6)
P0.7 I/O 8051 P0 I/O port bit 7 (mapped to the AD7)
P1.0(optional) I/O 8051 P1 I/O port bit 0 (mapped to T2 interrupt input)
P1.1 I/O 8051 P1 I/O port bit 1 (mapped to T2EX interrupt input)
P1.2 I/O 8051 P1 I/O port bit 2 (mapped to RS-232 RxD1)
P1.3 I/O 8051 P1 I/O port bit 3 (mapped to RS-232 TxD1)
P1.4 I/O 8051 P1 I/O port bit 4 (mapped to RS-232 RxD2)
P1.5 I/O 8051 P1 I/O port bit 5 (mapped to RS-232 TxD2)
P1.6 I/O 8051 P1 I/O port bit 6 (mapped to ExtInt0 interrupt)
P1.7 I/O 8051 P1 I/O port bit 7 (mapped to ExtInt1 interrupt)
P2.0 I/O 8051 P2 I/O port bit 0 (mapped to the A8)
P2.1 I/O 8051 P2 I/O port bit 1 (mapped to the A9)
P2.2 I/O 8051 P2 I/O port bit 2 (mapped to the A10)
P2.3 I/O 8051 P2 I/O port bit 3 (mapped to the A11)
P2.4 I/O 8051 P2 I/O port bit 4 (mapped to the A12)
P2.5 I/O 8051 P2 I/O port bit 5 (mapped to the A13)
P2.6 I/O 8051 P2 I/O port bit 6 (mapped to the A14)
P2.7 I/O 8051 P2 I/O port bit 7 (mapped to the A15)
P3.0 I/O 8051 P3 I/O port bit 0 (mapped to RS-232 RxD0)
P3.1 I/O 8051 P3 I/O port bit 1 (mapped to RS-232 TxD2)
P3.2 I/O 8051 P3 I/O port bit 2 (mapped to INT0 interrupt input)
P3.3 I/O 8051 P3 I/O port bit 3 (mapped to INT1 interrupt input)
P3.4(optional) I/O 8051 P3 I/O port bit 4 (mapped to T0 interrupt input)
P3.5(optional) I/O 8051 P3 I/O port bit 5 (mapped to T1 interrupt input)
P3.6 I/O 8051 P3 I/O port bit 6 (mapped to memory WR_ control signal)
P3.7 I/O 8051 P3 I/O port bit 7 (mapped to memory RD_ control signal)