Z8F1233QH020SG Zilog, Z8F1233QH020SG Datasheet - Page 72

• Manufacturer Part Number: Z8F1233QH020SG
• Description: IC ENCORE XP MCU FLSH 12K 20QFN
• Manufacturer: Zilog
• Series: Encore!®r

Specifications of Z8F1233QH020SG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LED, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• For Use With: 770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: 269-4656

Table 42. IRQ2 Enable High Bit Register (IRQ2ENH)
Table 43. IRQ2 Enable Low Bit Register (IRQ2ENL)
Table 41. IRQ2 Enable and Priority Encoding
BITS
FIELD
RESET
R/W
ADDR
BITS
FIELD
RESET
R/W
ADDR
PS025111-1207
where x indicates the register bits from 0–7.
IRQ2ENH[x] IRQ2ENL[x] Priority
0
0
1
1
IRQ2 Enable High and Low Bit Registers
7
R/W
R/W
0
0
7
Table 41
registers
interrupt request 2 register. Priority is generated by setting bits in each register.
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
0
1
0
1
6
(Table 42
describes the priority control for IRQ2. The IRQ2 enable high and low bit
R/W
R/W
6
0
0
Reserved
Reserved
Disabled
Level 1
Level 2
Level 3
5
and
R/W
R/W
Table
5
0
0
43) form a priority encoded enabling for interrupts in the
Description
Disabled
Low
Nominal
High
4
R/W
R/W
0
0
4
FC7H
FC8H
3
C3ENH
C3ENL
R/W
R/W
3
0
0
2
C2ENH
C2ENL
R/W
R/W
Z8 Encore!
0
0
2
Product Specification
1
C1ENH
C1ENL
R/W
R/W
1
0
0
®
Interrupt Controller
F0830 Series
0
C0ENH
C0ENL
R/W
R/W
0
0
0
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