Z8F2480AN020SG Zilog, Z8F2480AN020SG Datasheet - Page 116
Z8F2480AN020SG
Manufacturer Part Number
Z8F2480AN020SG
Description
MCU 8BIT 24KB FLASH 44LQFP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F2480AN020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
37
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-LQFP
Processor Series
Z8F248x
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
37
Number Of Timers
3
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 8 Channel
For Use With
770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU269-4643 - KIT DEV Z8 ENCORE XP 28-PIN269-4630 - DEV KIT FOR Z8 ENCORE 8K/4K269-4629 - KIT DEV Z8 ENCORE XP 28-PIN269-4628 - KIT DEV Z8 ENCORE XP 8-PIN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
269-4676
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F2480AN020SG
Manufacturer:
Zilog
Quantity:
85
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- Download datasheet (19Mb)
PS025011-1010
DEMODULATION Mode
In DEMODULATION mode, the timer begins counting on the first external Timer Input
transition. The desired transition (rising edge or falling edge or both) is set by the TPOL
bit in the Timer Control 1 register and TPOLHI bit in the Timer Control 2 register. The
Timer counts timer clocks up to the 16-bit Reload value.
Every subsequent desired transition (after the first) of the Timer Input signal captures the
current count value. The Capture value is written to the Timer PWM0 High and Low Byte
Registers for rising input edges of the timer input signal. For falling edges the capture
count value is written to the Timer PWM1 High and Low Byte Registers. The TPOL bit in
the Timer Control 1 register determines if the Capture occurs on a rising edge or a falling
edge of the Timer Input signal. If the TPOLHI bit in the Timer Control 2 register is set,
Capture is done on both the rising and falling edges of the input signal.
Whenever the Capture event occurs, an interrupt is generated and the timer continues
counting. The corresponding event flag bit PWMxEF in Timer Status register is set to
indicate the timer interrupt is due to an input Capture event.
The timer counts up to the 16-bit Compare value stored in the Timer Reload High and
Low Byte registers. Upon reaching the Reload value, the timer generates an interrupt, the
count value in the Timer High and Low Byte registers is reset to
resumes. The RTOEF event flag bit in Timer Status register is set to indicate the timer
interrupt is due to a Reload event. Software can use this bit to determine if a reload
occurred prior to a Capture.
Follow the steps below for configuring a timer for DEMODULATION mode and initiating
the count:
1. Write to the Timer Control 1 register to:
2. Write to the Timer Control 2 register to:
3. Write to the Timer Control 0 register to set the timer interrupt configuration field
4. Write to the Timer High and Low Byte registers to set the starting count value
5. Write to the Timer Reload High and Low Byte registers to set the Reload value.
–
–
–
–
–
–
TICONFIG.
(typically
Disable the timer.
Configure the timer for DEMODULATION mode. Setting the mode also involves
writing to TMODEHI bit in TxCTL0 register.
Set the prescale value.
Set TPOL bit to set the Capture edge (rising or falling) for the Timer Input. This
applies only if TPOLHI bit in TxCTL2 register is not set.
Choose the timer clock source
Set the TPOLHI bit if the Capture is required on both edges of the input signal
0001H
).
P R E L I M I N A R Y
Z8 Encore! XP
Product Specification
0001H
and counting
®
F1680 Series
Timers
102
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