Datasheet

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 
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
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Port 1 Data Direction High (P1DDRH)
7 6 5 4 3 2 1 0 Reset Value
SFR AFh P17H P17L P16H P16L P15H P15L P14H P14L 00h
P1.7 Port 1 Bit 7 Control.
bits 7−6
P17H P17L
0 0 Standard 8051 (Pull-Up)
0 1 CMOS Output
1 0 Open Drain Output
1 1 Input
P1.6 Port 1 Bit 6 Control.
bits 5−4
P16H P16L
0 0 Standard 8051 (Pull-Up)
0 1 CMOS Output
1 0 Open Drain Output
1 1 Input
P1.5 Port 1 Bit 5 Control.
bits 3−2
P15H P15L
0 0 Standard 8051 (Pull-Up)
0 1 CMOS Output
1 0 Open Drain Output
1 1 Input
P1.4 Port 1 Bit 4 Control.
bits 1−0
P14H P14L
0 0 Standard 8051 (Pull-Up)
0 1 CMOS Output
1 0 Open Drain Output
1 1 Input