MSC1211 Datasheet, PDF (78/111 Pages) Texas Instruments – Precision Analog-to-Digital Converter (ADC) and Digital-to-Analog Converters (DACs) with 8051 Microcontroller and Flash Memory

MSC1211, MSC1212
MSC1213, MSC1214
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
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
0
0
1
1
P37L
0
1
0
1
Standard 8051 (Pull-Up)
CMOS Output
Open Drain Output
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
0
0
1
1
P36L
0
1
0
1
Standard 8051 (Pull-Up)
CMOS Output
Open Drain Output
Input
NOTE: Port 3.6 also controlled by EA and Memory Access Control HCR1.1.
P3.5
bits 3−2
P3.4
bits 1−0
Port 3 Bit 5 Control.
P35H
0
0
1
1
P35L
0
1
0
1
Standard 8051 (Pull-Up)
CMOS Output
Open Drain Output
Input
Port 3 Bit 4 Control.
P34H
0
0
1
1
P34L
0
1
0
1
Standard 8051 (Pull-Up)
CMOS Output
Open Drain Output
Input
2
P35L
1
P34H
www.ti.com
0
P34L
Reset Value
00h
78