Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 74

• Manufacturer Part Number: Z8F041APH020SG2156
• Description: 8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
• Manufacturer: ZiLOG

Specifications of Z8F041APH020SG2156

• Rohs: yes
• Core: eZ8
• Processor Series: Z8F041xx
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 4 KB
• Data Ram Size: 1 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.7 V to 3.6 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: PDIP-20
• Mounting Style: Through Hole
• A/d Bit Size: 10 bit
• A/d Channels Available: 8
• Interface Type: UART
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 17
• Number Of Timers: 2
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V

PS022827-1212
Architecture
Operation
Master Interrupt Enable
Internal Interrupts
Port Interrupts
Figure 8 displays the interrupt controller block diagram.
This section describes the operational aspects of the following functions.
Master Interrupt
Interrupt Vectors and
Interrupt
Software Interrupt
Watchdog Timer Interrupt
The master interrupt enable bit (
and disables interrupts. Interrupts are globally enabled by any of the following actions:
•
•
Execution of an EI (Enable Interrupt) instruction
Execution of an IRET (Return from Interrupt) instruction
Assertion: see page 58
Figure 8. Interrupt Controller Block Diagram
Enable: see page 57
Assertion: see page 59
Priority: see page 58
Assertion: see page 59
P R E L I M I N A R Y
IRQE
Medium
Priority
Priority
Priority
) in the Interrupt Control Register globally enables
High
Low
Priority
Mux
Z8 Encore! XP
Vector
IRQ Request
Product Specification
®
F082A Series
Architecture
57