ZLF645E0Q2032G Maxim Integrated, ZLF645E0Q2032G Datasheet - Page 46
![no-image](/images/no-image-200.jpg)
ZLF645E0Q2032G
Manufacturer Part Number
ZLF645E0Q2032G
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645E0Q2032G
Core
Z8
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
32 KB
Data Ram Size
1 KB
On-chip Adc
No
Operating Supply Voltage
2 V to 3.6 V
Package / Case
QFN-EP-20
Mounting Style
SMD/SMT
Interface Type
UART
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Programmable I/os
5
Number Of Timers
2 x 8 bit, 1 x 16 bit
On-chip Dac
No
Processor Series
ZLF645
Program Memory Type
Flash
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2 V
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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
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