ZLF645S0P2032G Zilog, ZLF645S0P2032G Datasheet - Page 134
ZLF645S0P2032G
Manufacturer Part Number
ZLF645S0P2032G
Description
Microcontrollers (MCU) 32K Flash 512B RAM 20 pin
Manufacturer
Zilog
Datasheet
1.ZLF645S0P2832G.pdf
(197 pages)
Specifications of ZLF645S0P2032G
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
32 KB
Data Ram Size
512 KB
Interface Type
ICP, UART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
16
Number Of Timers
3
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Package / Case
PDIP-20
Minimum Operating Temperature
0 C
Lead Free Status / Rohs Status
Details
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PS026407-0408
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
126
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