Z8F1233QH020SG Zilog, Z8F1233QH020SG Datasheet - Page 71

• 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 39. IRQ1 Enable High Bit Register (IRQ1ENH)
Table 40. IRQ1 Enable Low Bit Register (IRQ1ENL)
Table 38. IRQ1 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.
IRQ1ENH[x] IRQ1ENL[x] Priority
0
0
1
1
IRQ1 Enable High and Low Bit Registers
PA7ENH PA6CENH PA5ENH
PA7ENL
R/W
R/W
0
0
7
7
Table 38
registers
interrupt request 1 register. Priority is generated by setting bits in each register.
PA7ENH—Port A Bit[7] 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 the interrupt port select register for selection of either Port A or Port D as the interrupt
source.
PA7ENH—Port A Bit[7] interrupt request enable low bit
PA6CENH—Port A Bit[6] or comparator interrupt request enable low bit
PAxENL—Port A Bit[x] interrupt request enable low bit
0
1
0
1
PA6CENL
(Table 39
describes the priority control for IRQ1. The IRQ1 enable high and low bit
R/W
R/W
6
0
6
0
Disabled
Level 1
Level 2
Level 3
and
PA5ENL
R/W
R/W
Table
5
0
5
0
40) form a priority encoded enabling for interrupts in the
Description
Disabled
Low
Nominal
High
PA4ENH
PA4ENL
R/W
R/W
0
0
4
4
FC4H
FC5H
PA3ENH
PA3ENL
R/W
R/W
3
0
3
0
PA2ENH
PA2ENL
R/W
R/W
Z8 Encore!
0
0
2
2
Product Specification
PA1ENH
PA1ENL
R/W
R/W
1
0
1
0
®
Interrupt Controller
F0830 Series
PA0ENH
PA0ENL
R/W
R/W
0
0
0
0
61