ATTINY40-SU Atmel, ATTINY40-SU Datasheet - Page 2

• Manufacturer Part Number: ATTINY40-SU
• Description: IC MCU AVR 4K FLASH 20SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY40-SU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Processor Series: ATtiny
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI, TWI, ISB
• Number Of Programmable I/os: 18
• Number Of Timers: 2
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

1. Pin Configurations
1.1
1.1.1
1.1.2
1.1.3
2
Pin Description
ATtiny40
VCC
GND
RESET
Figure 1-1.
Supply voltage.
Ground.
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running and provided the reset pin has not been disabled. The min-
imum pulse length is given in
generate a reset.
The reset pin can also be used as a (weak) I/O pin.
Pinout of ATtiny40
(PCINT5/ADC5/OC0B) PA5
(PCINT2/ADC2/AIN1) PA2
(PCINT4/ADC4/T0) PA4
(PCINT5/ADC5/OC0B) PA5
(PCINT2/ADC2/AIN1) PA2
(PCINT1/ADC1/AIN0) PA1
(PCINT6/ADC6) PA6
(PCINT3/ADC3) PA3
(PCINT4/ADC4/T0) PA4
NOTE: Bottom pad should be soldered to ground.
(PCINT8/ADC8) PB0
(PCINT7/ADC7) PA7
(PCINT6/ADC6) PA6
(PCINT3/ADC3) PA3
(PCINT0/ADC0) PA0
Table 21-4 on page
GND
1
2
3
4
5
SOIC/TSSOP
MLF/VQFN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
15
14
13
12
11
PB1 (ADC9/PCINT9)
PB2 (ADC10/PCINT10)
PB3 (ADC11/PCINT11)
PC0 (OC0A/SS/PCINT12)
PC1 (SCK/SCL/ICP1/T1/PCINT13)
PC2 (INT0/CLKO/MISO/PCINT14)
PC3 (RESET/PCINT15)
PC4 (MOSI/SDA/TPIDATA/PCINT16)
PC5 (CLKI/TPICLK/PCINT17)
VCC
168. Shorter pulses are not guaranteed to
PC0 (OC0A/SS/PCINT12)
PC1 (SCK/SCL/ICP1/T1/PCINT13)
PC2 (INT0/CLKO/MISO/PCINT14)
PC3 (RESET/PCINT15)
PC4 (MOSI/SDA/TPIDATA/PCINT16)
8263AS–AVR–08/10