Z8F082AQB020SG Zilog, Z8F082AQB020SG Datasheet - Page 90
Z8F082AQB020SG
Manufacturer Part Number
Z8F082AQB020SG
Description
IC ENCORE XP MCU FLASH 8K 8-QFN
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F082AQB020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
IrDA, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
6
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
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
269-3809
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F082AQB020SG
Manufacturer:
Maxim
Quantity:
43
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PS022825-0908
0001H
the timer interrupt is not caused by an input capture event.
Follow the steps below for configuring a timer for CAPTURE RESTART mode and initi-
ating 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
3. Write to the Timer Reload High and Low Byte registers to set the Reload value.
4. Clear the Timer PWM High and Low Byte registers to 0000H. This allows the
5. Enable the timer interrupt, if appropriate, and set the timer interrupt priority by writing
6. Configure the associated GPIO port pin for the Timer Input alternate function.
7. Write to the Timer Control register to enable the timer and initiate counting.
In CAPTURE mode, the elapsed time from timer start to Capture event can be calculated
using the following equation:
COMPARE Mode
In COMPARE mode, the timer counts up to the 16-bit maximum Compare value stored in
the Timer Reload High and Low Byte registers. The timer input is the system clock. Upon
reaching the Compare value, the timer generates an interrupt and counting continues (the
timer value is not reset to
the Timer Output pin changes state (from Low to High or from High to Low) upon
Compare.
If the Timer reaches
–
–
–
–
(typically
software to determine if interrupts were generated by either a capture event or a
reload. If the PWM High and Low Byte registers still contain 0000H after the
interrupt, the interrupt was generated by a Reload.
to the relevant interrupt registers. By default, the timer interrupt is generated for both
input capture and reload events. If appropriate, configure the timer interrupt to be
generated only at the input capture event or the reload event by setting TICONFIG
field of the TxCTL0 register.
Capture Elapsed Time (s)
and counting resumes. The INPCAP bit in TxCTL0 register is cleared to indicate
Disable the timer.
Configure the timer for CAPTURE RESTART mode by writing the TMODE bits
in the TxCTL1 register and the
Set the prescale value.
Set the Capture edge (rising or falling) for the Timer Input.
0001H
FFFFH
).
0001H
, the timer rolls over to
=
). Also, if the Timer Output alternate function is enabled,
(
-------------------------------------------------------------------------------------------------- -
Capture Value
TMODEHI
System Clock Frequency (Hz)
bit in TxCTL0 register.
–
0000H
Start Value
Z8 Encore! XP
and continue counting.
)
Product Specification
×
Prescale
®
F082A Series
Timers
79
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