ZLF645E0Q2032G Maxim Integrated, ZLF645E0Q2032G Datasheet - Page 140
![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
- Current page: 140 of 201
- Download datasheet (2Mb)
19-4572; Rev 0; 4/09
Bit Position
[5]
[4]
[3]
[2]
[1]
[0]
Note:
Value
The IRQ register is protected from change until an EI instruction is executed once.
Read
Read
Read
Read
Read
Read
Write
Write
Write
Write
Write
Write
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Description
IRQ5 (Low-Voltage Detection)
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
IRQ4 (T8 Counter)
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
IRQ3 (T16 Counter)
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
IRQ2 (Port 3 Bit 1 Input)
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
IRQ1 (Port 3 Bit 3 Input/SMR Event/UART T
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
IRQ0 (Port 3 Bit 2 Input/UART R
Interrupt did not occur.
Interrupt occurred.
Clear interrupt.
Set interrupt.
X
)
X
/UART BRG)
ZLF645 Series Flash MCUs
Product Specification
Interrupt Request Register
132
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