Z8F082AHH020SG2156 Zilog, Z8F082AHH020SG2156 Datasheet - Page 119

• Manufacturer Part Number: Z8F082AHH020SG2156
• Description: IC ENCORE XP MCU FLASH 8K
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F082AHH020SG2156

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IrDA, UART/USART
• Peripherals: Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• 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
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: Q5278375

EI
Enable Interrupts
EI
UM012811-0904
Mnemonic
EI
Operation
Description
Flags
Attributes
Example
Enable Interrupts: IRQCTL[7]
Bit 7 of the Interrupt Control Register is 1. This value enables the Interrupt Controller.
If IRQCTL (Interrupt Control register FCFH) contains the value
rupts are globally disabled. Upon execution of the EI command, the statement:
the IRQCTL (Interrupt Control register FCFH) contains the value
globally enable interrupts.
C
Z
S
V
D
H
Destination, Source
—
EI
Object Code: 9FH
Unaffected.
Unaffected.
Unaffected.
Unaffected.
Unaffected.
Unaffected.
Opcode (Hex)
9F
←
1
—
Operand 1
eZ8 CPU Instruction Set Description
Operand 2
—
00H
80H
(00000000B), inter-
(10000000B) and
Operand 3
—
User Manual
eZ8 CPU
109