Z8F042AHJ020SC00TR Zilog, Z8F042AHJ020SC00TR Datasheet - Page 75

• Manufacturer Part Number: Z8F042AHJ020SC00TR
• Description: IC ENCORE XP MCU FLASH 4K 28SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHJ020SC00TR

• 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: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Z8F042AHJ020SC00T

Table 40. IRQ1 Enable High Bit Register (IRQ1ENH)
Table 41. IRQ1 Enable Low Bit Register (IRQ1ENL)
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS022825-0908
PA7VENH PA6CENH PA5ENH
PA7VENL PA6CENL
R/W
R/W
7
0
7
0
Table 39. IRQ1 Enable and Priority Encoding
PA7VENH—Port A Bit[7] or LVD Interrupt Request Enable High Bit
PA6CENH—Port A Bit[7] or Comparator Interrupt Request Enable High Bit
PAxENH—Port A Bit[x] Interrupt Request Enable High Bit
See Shared Interrupt Select (IRQSS) register for selection of either the LVD or the
comparator as the interrupt source.
PA7VENL—Port A Bit[7] or LVD Interrupt Request Enable Low Bit
PA6CENL—Port A Bit[6] or Comparator Interrupt Request Enable Low Bit
PAxENL—Port A Bit[x] Interrupt Request Enable Low Bit
IRQ1ENH[x] IRQ1ENL[x] Priority
0
0
1
1
where x indicates the register bits from 0–7.
R/W
R/W
6
0
6
0
0
1
0
1
PA5ENL
R/W
R/W
5
0
5
0
Disabled
Level 1
Level 2
Level 3
PA4ENH
PA4ENL
R/W
R/W
4
0
4
0
FC4H
FC5H
PA3ENH
PA3ENL
R/W
R/W
Description
Disabled
Low
Medium
High
3
0
3
0
Z8 Encore! XP
PA2ENH
PA2ENL
R/W
R/W
2
0
2
0
Product Specification
PA1ENH
PA1ENL
R/W
R/W
1
0
1
0
®
Interrupt Controller
F082A Series
PA0ENH
PA0ENL
R/W
R/W
0
0
0
0
64