Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 92
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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PS022827-1212
Caution:
After reaching the reload value stored in the Timer Reload High and Low Byte registers,
the timer generates an interrupt, the count value in the Timer High and Low Byte registers
is reset to
enabled, the Timer Output pin changes state (from Low to High or from High to Low) at
timer Reload.
Observe the following steps for configuring a timer for COMPARATOR COUNTER
Mode and initiating the count:
1. Write to the Timer Control Register to:
2. Write to the Timer High and Low Byte registers to set the starting count value. This
3. Write to the Timer Reload High and Low Byte registers to set the reload value.
4. If appropriate, enable the timer interrupt and set the timer interrupt priority by writing
5. If using the Timer Output function, configure the associated GPIO port pin for the
6. Write to the Timer Control Register to enable the timer.
In COMPARATOR COUNTER Mode, the number of comparator output transitions since
the timer start is computed via the following equation:
Comparator Output Transitions
The frequency of the comparator output signal must not exceed one-fourth the system
clock frequency. Further, the high or low state of the comparator output signal pulse must
be no less than twice the system clock period. A shorter pulse may not be captured.
–
–
–
action only affects the first pass in COMPARATOR COUNTER Mode. After the first
timer Reload in COMPARATOR COUNTER Mode, counting always begins at the
reset value of
High and Low Byte registers must be written with the value
to the relevant interrupt registers.
Timer Output alternate function.
Disable the timer.
Configure the timer for COMPARATOR COUNTER Mode.
Select either the rising edge or falling edge of the comparator output signal for the
count. This also sets the initial logic level (High or Low) for the Timer Output
alternate function. However, the Timer Output function is not required to be
enabled.
0001H
and counting resumes. Also, if the Timer Output alternate function is
0001H
. Generally, in COMPARATOR COUNTER Mode the Timer
P R E L I M I N A R Y
=
Current Count Value
Z8 Encore! XP
–
Start Value
Product Specification
0001H
.
®
F082A Series
Operation
75
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