ZLF645 MAXIM [Maxim Integrated Products], ZLF645 Datasheet - Page 140

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

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