ATTINY461-20PU Atmel, ATTINY461-20PU Datasheet - Page 178
![Microcontrollers (MCU) 4kB Flash 0.256kB EEPROM 16 I/O Pins](/photos/16/13/161304/pdip20_sml.jpg)
ATTINY461-20PU
Manufacturer Part Number
ATTINY461-20PU
Description
Microcontrollers (MCU) 4kB Flash 0.256kB EEPROM 16 I/O Pins
Manufacturer
Atmel
Specifications of ATTINY461-20PU
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire/SPI/USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
4.5 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
11-ch x 10-bit
Program Memory Type
Flash
Program Memory Size
4 KB
Package / Case
PDIP-20
Package
20PDIP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
Ram Size
256 Byte
Operating Temperature
-40 to 85 °C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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ATtiny261/461/861
Figure 18-3. Parallel Programming.
Table 18-12. Pin Name Mapping
Programming Mode
Signal Name in
PAGEL/BS1
RDY/BSY
DATA I/O
XA1/BS2
XA0
WR
OE
PAGEL/BS1
RDY/BSY
XA1/BS2
+12 V
XA0
WR
OE
PA7-PA0
Name
PB0
PB1
PB2
PB3
PB5
PB6
Pin
I/O
I/O
O
I
I
I
I
I
PB0
PB1
PB2
PB3
XTAL1/PB4
PB5
PB6
RESET
GND
Function
Write Pulse (Active low).
XTAL Action Bit 0
XTAL Action Bit 1. Byte Select 2 (“0” selects low byte, “1”
selects 2’nd high byte).
Byte Select 1 (“0” selects low byte, “1” selects high byte).
Program Memory and EEPROM Data Page Load.
Output Enable (Active low).
0: Device is busy programming, 1: Device is ready for new
command.
Bi-directional Data bus (Output when OE is low).
PA7 - PA0
AVCC
VCC
+5V
+5V
DATA
2588E–AVR–08/10
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