ATTINY24-20PU Atmel, ATTINY24-20PU Datasheet - Page 223
ATTINY24-20PU
Manufacturer Part Number
ATTINY24-20PU
Description
IC MCU AVR 2K FLASH 20MHZ 14-DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY24-20PU
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
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 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
ATTINY2x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
128 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
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK505 - ADAPTER KIT FOR 14PIN AVR MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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26. Errata
26.1
26.1.1
26.1.2
26.1.3
26.1.4
8006K–AVR–10/10
ATtiny24
Rev. D – E
Rev. C
Rev. B
Rev. A
The revision letters in this section refer to the revision of the corresponding ATtiny24/44/84
device.
No known errata.
•
1. Reading EEPROM when system clock frequency is below 900 kHz may not work
•
•
1. EEPROM read from application code does not work in Lock Bit Mode 3
2. Reading EEPROM when system clock frequency is below 900 kHz may not work
Reading EEPROM when system clock frequency is below 900 kHz may not work
EEPROM read from application code does not work in Lock Bit Mode 3
Reading EEPROM when system clock frequency is below 900 kHz may not work
Reading data from the EEPROM at system clock frequency below 900 kHz may result in
wrong data read.
Problem Fix/Work around
Avoid using the EEPROM at clock frequency below 900 kHz.
When the Memory Lock Bits LB2 and LB1 are programmed to mode 3, EEPROM read does
not work from the application code.
Problem Fix/Work around
Do not set Lock Bit Protection Mode 3 when the application code needs to read from
EEPROM.
Reading data from the EEPROM at system clock frequency below 900 kHz may result in
wrong data read.
Problem Fix/Work around
Avoid using the EEPROM at clock frequency below 900 kHz.
Not sampled.
ATtiny24/44/84
223
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