Z8F042AHJ020EC00TR Zilog, Z8F042AHJ020EC00TR Datasheet - Page 77
Z8F042AHJ020EC00TR
Manufacturer Part Number
Z8F042AHJ020EC00TR
Description
IC ENCORE XP MCU FLASH 4K 28SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F042AHJ020EC00TR
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
23
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
Z8F042AHJ020EC00T
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Table 45. Interrupt Edge Select Register (IRQES)
BITS
FIELD
RESET
R/W
ADDR
PS022825-0908
Interrupt Edge Select Register
Shared Interrupt Select Register
IES7
R/W
7
0
Reserved—Must be 0.
C3ENL—Port C3 Interrupt Request Enable Low Bit
C2ENL—Port C2 Interrupt Request Enable Low Bit
C1ENL—Port C1 Interrupt Request Enable Low Bit
C0ENL—Port C0 Interrupt Request Enable Low Bit
The Interrupt Edge Select (IRQES) register
generated for the rising edge or falling edge on the selected GPIO Port A input pin.
IESx—Interrupt Edge Select x
0 = An interrupt request is generated on the falling edge of the PAx input.
1 = An interrupt request is generated on the rising edge of the PAx input.
where x indicates the specific GPIO Port pin number (0 through 7).
The Shared Interrupt Select (IRQSS) register
PADxS interrupts. The Shared Interrupt Select register selects between Port A and
alternate sources for the individual interrupts.
Because these shared interrupts are edge-triggered, it is possible to generate an interrupt
just by switching from one shared source to another. For this reason, an interrupt must be
disabled before switching between sources.
IES6
R/W
6
0
IES5
R/W
5
0
IES4
R/W
4
0
FCDH
(Table
(Table
IES3
R/W
3
0
45) determines whether an interrupt is
46) determines the source of the
Z8 Encore! XP
IES2
R/W
2
0
Product Specification
IES1
R/W
1
0
®
Interrupt Controller
F082A Series
IES0
R/W
0
0
66
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