ATTINY84-20PU Atmel, ATTINY84-20PU Datasheet - Page 168
![IC MCU AVR 8K FLASH 20MHZ 14-DIP](/photos/7/39/73953/313-14-dip_sml.jpg)
ATTINY84-20PU
Manufacturer Part Number
ATTINY84-20PU
Description
IC MCU AVR 8K FLASH 20MHZ 14-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY84-20PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
12
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
14-DIP (0.300", 7.62mm)
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
AVR Tiny
No. Of I/o's
12
Eeprom Memory Size
512Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
No. Of Timers
2
Rohs Compliant
Yes
Package
14PDIP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY84-20PU
Manufacturer:
XILINX
Quantity:
25
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19.7
19.7.1
168
High-Voltage Serial Programming Algorithm
ATtiny24/44/84
Enter High-voltage Serial Programming Mode
To program and verify the ATtiny24/44/84 in the High-voltage Serial Programming mode, the fol-
lowing sequence is recommended (See instruction formats in
The following algorithm puts the device in High-voltage Serial Programming mode:
If the rise time of the V
tive algorithm can be used:
Table 19-15. High-voltage Reset Characteristics
Supply Voltage
V
4.5V
5.5V
1. Set Prog_enable pins listed in
2. Apply 4.5 - 5.5V between V
3. Wait 20 - 60 µs, and apply 11.5 - 12.5V to RESET.
4. Keep the Prog_enable pins unchanged for at least 10 µs after the High-voltage has
5. Release the Prog_enable[2] pin after t
6. Wait at least 300 µs before giving any serial instructions on SDI/SII.
7. Exit Programming mode by power the device down or by bringing RESET pin to 0V.
1. Set Prog_enable pins listed in
2. Apply 4.5 - 5.5V between V
3. Monitor V
4. Keep the Prog_enable pins unchanged for at least 10 µs after the High-voltage has
5. Release the Prog_enable[2] pin to avoid drive contention on the Prog_enable[2]/SDO
6. Wait until V
7. Exit Programming mode by power the device down or by bringing RESET pin to 0V.
CC
to 0V.
the next 20 µs.
been applied to ensure the Prog_enable Signature has been latched.
to 0V.
been applied to ensure the Prog_enable Signature has been latched.
pin.
SDI/SII.
CC
CC
, and as soon as V
actually reaches 4.5 - 5.5V before giving any serial instructions on
RESET Pin High-voltage Threshold
CC
is unable to fulfill the requirements listed above, the following alterna-
CC
CC
V
and GND. Ensure that V
and GND.
Table 19-14 on page 167
Table 19-14 on page 167
11.5V
11.5V
CC
HVRST
reaches 0.9 - 1.1V, apply 11.5 - 12.5V to RESET.
HVRST
has elapsed.
CC
Minimum High-voltage Period for
Table 19-16 on page
to “000”, RESET pin and V
to “000”, RESET pin and V
reaches at least 1.8V within
Latching Prog_enable
100 ns
100 ns
t
HVRST
8006K–AVR–10/10
171):
CC
CC
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