Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 87

• Manufacturer Part Number: Z8F16800144ZCOG
• Description: KIT DEV FOR Z8F642 MCU 44 PIN
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: MCUr

Specifications of Z8F16800144ZCOG

• Contents: Hardware, Software and Documentation
• For Use With/related Products: Z8F642
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4678

Architecture
Operation
PS025011-1010
Master Interrupt Enable
Figure 10
The master interrupt enable bit (IRQE) in the interrupt control register globally enables
and disables interrupts.
Interrupts are globally enabled by any of the following actions:
Interrupts are globally disabled by any of the following actions:
Internal Interrupts
Port Interrupts
•
•
•
•
•
•
Execution of an Enable Interrupt (
Execution of an Interrupt Return (IRET) instruction
Writing 1 to the
Execution of a Disable Interrupt (
eZ8 CPU acknowledgement of an interrupt service request from the interrupt controller
Writing 0 to the
displays the interrupt controller block diagram.
Figure 10. Interrupt Controller Block Diagram
IRQE
IRQE
bit in the interrupt control register
bit in the interrupt control register
P R E L I M I N A R Y
DI
EI
Medium
Priority
Priority
Priority
High
Low
) instruction
) instruction
Priority
Z8 Encore! XP
Mux
Product Specification
Vector
IRQ Request
®
Interrupt Controller
F1680 Series
73