Z16F2800100ZCOG Zilog, Z16F2800100ZCOG Datasheet - Page 98

• Manufacturer Part Number: Z16F2800100ZCOG
• Description: DEV KIT FOR Z16F ZNEO
• Manufacturer: Zilog
• Series: ZNEO™r
• Type: MCUr

Specifications of Z16F2800100ZCOG

• Contents: Evaluation Board, Software and Documentation
• For Use With/related Products: Z16F Series
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4537

Architecture
Operation
PS022008-0810
Master Interrupt Enable
Figure 18
The master interrupt enable bit in the flag register globally enables or disables interrupts.
This bit has been moved to the flag register (bit-0). Thus, anytime the register is loaded, it
changes the state of the IRQE bit. For the
been pushed on the stack.
Interrupts are globally enabled by any of the following actions:
•
•
Interrupts are globally disabled by any of the following actions:
•
•
•
Internal Interrupts
Port Interrupts
controller
Execution of an Enable Interrupt (
Writing 1 to the IRQE bit in the flag register
Execution of a Disable Interrupt (
ZNEO CPU acknowledgement of an interrupt service request from the interrupt
Writing 0 to the IRQE bit in the flag register
displays a block diagram of the interrupt controller.
Figure 18. Interrupt Controller Block Diagram
P R E L I M I N A R Y
DI
EI
Medium
Priority
Priority
Priority
High
Low
) instruction
) instruction
IRET
instruction the bit is set based on what has
Priority
Mux
Vector
Product Specification
IRQ Request
ZNEO
Interrupt Controller
Z16F Series
83