Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 72
Z8F041APH020SG2156
Manufacturer Part Number
Z8F041APH020SG2156
Description
8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
Manufacturer
ZiLOG
Datasheet
1.Z8F082ASJ020EG2156.pdf
(282 pages)
Specifications of Z8F041APH020SG2156
Rohs
yes
Core
eZ8
Processor Series
Z8F041xx
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
4 KB
Data Ram Size
1 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
PDIP-20
Mounting Style
Through Hole
A/d Bit Size
10 bit
A/d Channels Available
8
Interface Type
UART
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
17
Number Of Timers
2
Program Memory Type
Flash
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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GPIO Mode Interrupt Controller
PS022827-1212
Interrupt Vector Listing
Note:
The interrupt controller on the Z8 Encore! XP F082A Series products prioritizes the inter-
rupt requests from the on-chip peripherals and the GPIO port pins. The features of inter-
rupt controller include:
•
•
•
•
•
Interrupt requests (IRQs) allow peripheral devices to suspend CPU operation in an orderly
manner and force the CPU to start an interrupt service routine (ISR). Usually this interrupt
service routine is involved with the exchange of data, status information, or control infor-
mation between the CPU and the interrupting peripheral. When the service routine is com-
pleted, the CPU returns to the operation from which it was interrupted.
The eZ8 CPU supports both vectored and polled interrupt handling. For polled interrupts,
the interrupt controller has no effect on operation. For more information about interrupt
servicing by the eZ8 CPU, refer to the
available for download on www.zilog.com.
Table 34 lists all of the interrupts available in order of priority. The interrupt vector is
stored with the most-significant byte (MSB) at the even Program Memory address and the
least-significant byte (LSB) at the following odd Program Memory address.
Some port interrupts are not available on the 8- and 20-pin packages. The ADC interrupt is
unavailable on devices not containing an ADC.
20 possible interrupt sources with 18 unique interrupt vectors:
–
–
Flexible GPIO interrupts:
–
–
Three levels of individually programmable interrupt priority
Watchdog Timer and LVD can be configured to generate an interrupt
Supports vectored and polled interrupts
Twelve GPIO port pin interrupt sources (two interrupt vectors are shared)
Eight on-chip peripheral interrupt sources (two interrupt vectors are shared)
Eight selectable rising and falling edge GPIO interrupts
Four dual-edge interrupts
P R E L I M I N A R Y
eZ8 CPU Core User Manual
Z8 Encore! XP
GPIO Mode Interrupt Controller
Product Specification
(UM0128), which is
®
F082A Series
55
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