Z8F0812SJ020EC Zilog, Z8F0812SJ020EC Datasheet - Page 72
Z8F0812SJ020EC
Manufacturer Part Number
Z8F0812SJ020EC
Description
IC ENCORE MCU FLASH 8K 28SOIC
Manufacturer
Zilog
Series
Encore!® XP®r
Datasheet
1.Z8F08200100KIT.pdf
(264 pages)
Specifications of Z8F0812SJ020EC
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
19
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
269-3228
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Architecture
Operation
PS022517-0508
Master Interrupt Enable
Figure 9
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
Execution of an
Writing a 1 to the IRQE bit in the Interrupt Control Register.
Execution of a
eZ8 CPU acknowledgement of an interrupt service request from the interrupt controller.
Writing a 0 to the IRQE bit in the Interrupt Control Register.
Reset.
Execution of a Trap instruction.
Illegal Instruction trap.
displays a block diagram of the interrupt controller.
DI
Figure 9. Interrupt Controller Block Diagram
EI
IRET
(Disable Interrupt) instruction.
(Enable Interrupt) instruction.
(Return from Interrupt) instruction.
Medium
Priority
Priority
Priority
High
Low
Priority
Z8 Encore! XP
Mux
Vector
IRQ Request
Product Specification
®
Interrupt Controller
F0822 Series
59
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