Z8F0812SJ020EC Zilog, Z8F0812SJ020EC Datasheet - Page 79

• Manufacturer Part Number: Z8F0812SJ020EC
• Description: IC ENCORE MCU FLASH 8K 28SOIC
• Manufacturer: Zilog
• Series: Encore!® XP®r

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

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