z8f1601 ZiLOG Semiconductor, z8f1601 Datasheet - Page 74

• Manufacturer Part Number: z8f1601
• Description: Z8 Encore!? Microcontroller With Flash Memory And 10-bit A/d Converter
• Manufacturer: ZiLOG Semiconductor

Table 37. Interrupt Control Register (IRQCTL)
PS017609-0803
RESET
FIELD
ADDR
BITS
R/W
Interrupt Control Register
IRQE
R/W
7
0
The Interrupt Control (IRQCTL) register (Table 37) contains the master enable bit for all
interrupts.
IRQE—Interrupt Request Enable
This bit is set to 1 by execution of an EI (Enable Interrupts) or IRET (Interrupt Return)
instruction, or by a direct register write of a 1 to this bit. It is reset to 0 by executing a DI
instruction, eZ8 CPU acknowledgement of an interrupt request, or Reset.
0 = Interrupts are disabled.
1 = Interrupts are enabled.
Reserved
These bits must be 0.
R
6
0
R
5
0
R
4
0
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
FCFH
Reserved
R
3
0
R
2
0
Interrupt Controller
R
1
0
Z8 Encore!
R
0
0
®
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