ZLF645 MAXIM [Maxim Integrated Products], ZLF645 Datasheet - Page 46

• Manufacturer Part Number: ZLF645
• Description: Flash MCUs with Learning Amplification
• Manufacturer: MAXIM [Maxim Integrated Products]

PS026408-1208
Bit Position
[3]
[2]
[1]
[0]
Note:
Port 3 register is not reset after a Stop Mode Recovery.
Value
Read
Read
Read
Read
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
Description
Port 3, Pin 3 Input—Writing this bit has no effect.
If P3M[1]=0:
P33 is Low.
P33 is High.
If P3M[1]=1 or SMR4[4]=1:
SMR condition exists.
SMR condition does not exist.
Port 3, Pin 2 Input—Writing this bit has no effect.
If P3M[1]=0:
P32 input is Low.
P32 input is High.
If P3M[1]=1:
Comparator 2 output is Low.
Comparator 2 output is High.
Port 3, Pin 1 Input—Writing this bit has no effect.
If P3M[2:1]=00:
P31 input is Low.
P31 input is High.
If P3M[2:1]=01:
Comparator 1 output is Low.
Comparator 1 output is High.
If P3M[2:1]=10 or 11:
IR amplifier output is Low.
IR amplifier output is High.
Port 3, Pin 0 Input—Writing this bit has no effect.
If P3M[1]=0:
P30 input is Low.
P30 input is High.
If P3M[1]=1:
Reads as 1.
ZLF645 Series Flash MCUs
Product Specification
Port 3 Register
38