MSC1202Y3RHHTG4 Datasheet, PDF (63/92 Pages) Texas Instruments –
Precision Analog-to-Digital Converter and Current-Output Digital-to-Analog Converter

www.ti.com
Port 3 Data Direction High (P3DDRH)
SFR B4h
7
P37H
6
P37L
5
P36H
4
P36L
3
P35H
P3.7
bits 7−6
Port 3 bit 7 control.
P37H P37L
0
0 Standard 8051
0
1 CMOS Output
1
0 Open Drain Output
1
1 Input
NOTE: Port 3.7 also controlled by EA and Memory Access Control HCR1.1.
P3.6
bits 5−4
Port 3 bit 6 control.
P36H P36L
0
0 Standard 8051
0
1 CMOS Output
1
0 Open Drain Output
1
1 Input
NOTE: Port 3.6 also controlled by EA and Memory Access Control HCR1.1.
P3.5
bits 3−2
Port 3 bit 5 control.
P35H
0
0
1
1
P35L
0
1
0
1
Standard 8051
CMOS Output
Open Drain Output
Input
P3.4
bits 1−0
Port 3 bit 4 control.
P34H
0
0
1
1
P34L
0
1
0
1
Standard 8051
CMOS Output
Open Drain Output
Input
MSC1200
MSC1201
MSC1202
SBAS317E − APRIL 2004 − REVISED MAY 2006
2
P35L
1
P34H
0
P34L
Reset Value
00h
63