z86e54 ZiLOG Semiconductor, z86e54 Datasheet - Page 50

• Manufacturer Part Number: z86e54
• Description: Z8 512 Byte Otp Mcu
• Manufacturer: ZiLOG Semiconductor

PS020102-1003
4,3,0
2
1
Note: *Selecting a Reserved mode causes an undefined operation.
Table 25. Interrupt Request Register, R250 IRQ FAh Bank 0h: READ/WRITE
Bit
Position
7-6
5
4
3
Bit
R/W
Reset 0
Note: R = Read, W = Write
Interrupt
IRQO, IRQ2
IRQ1, IRQ4
Bit Field
Reserved
IRQ5
IRQ4
IRQ3
R/W
7
R/W
0
6
R/W
R/W
R/W
R/W
R/W
R/W
0
W
W
W
5
R/W
0
Reset
Value
00
0
0
0
4
X
X
X
R/W
0
Description
Reserved – must be 0
Interrupt
IRQ5 = T1
1: Interrupt pending
0: No interrupt pending
Interrupt
IRQ4 = Software generated
1: Interrupt pending
0: No interrupt pending
Interrupt
IRQ3 = P32 Input (rising edge)
1: Interrupt pending
0: No interrupt pending
3
Interrupt Group Priority
000: Reserved*
001:C>A>B
010:A>B>C
011:A>C>B
100: B > C > A
101:C>B>A
110: B > A > C
111: Reserved
IRQO, IRQ2 Priority (Group B)
0: IRQ2 > IRQO
1: IRQO > IRQ2
IRQ1, IRQ4 Priority (Group C)
0: IRQ1 > IRQ4
1: IRQ4 > IRQ1
R/W
0
2
R/W
0
1
Z8
®
R/W
0
512 Byte OTP MCU
0
Z86E54
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