Z8F042AHH020EG Zilog, Z8F042AHH020EG Datasheet - Page 79

• Manufacturer Part Number: Z8F042AHH020EG
• Description: IC ENCORE XP MCU FLASH 4K 20SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHH020EG

• 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: 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 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4156; Z8F042AHH020EG

Table 35. IRQ2 Enable High Bit Register (IRQ2ENH)
Table 36. IRQ2 Enable Low Bit Register (IRQ2ENL)
PS022517-0508
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
7
7
Table 34. IRQ2 Enable and Priority Encoding
Reserved—Must be 0.
C3ENH—Port C3 Interrupt Request Enable High Bit
C2ENH—Port C2 Interrupt Request Enable High Bit
C1ENH—Port C1 Interrupt Request Enable High Bit
C0ENH—Port C0 Interrupt Request Enable High Bit
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
IRQ2ENH[x]
where x indicates the register bits from 0 through 7.
6
6
0
0
1
1
Reserved
Reserved
5
5
IRQ2ENL[x]
0
1
0
1
4
4
Priority
Disabled
Level 1
Level 2
Level 3
FC7H
FC8H
R/W
R/W
0
0
3
3
C3ENH
C3ENL
Description
Disabled
Low
Nominal
High
2
2
Z8 Encore! XP
C2ENH
C2ENL
Product Specification
1
1
C1ENH
C1ENL
®
Interrupt Controller
F0822 Series
0
0
C0ENH
C0ENL
66