ATTINY40-MMH Atmel, ATTINY40-MMH Datasheet - Page 2
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ATTINY40-MMH
Manufacturer Part Number
ATTINY40-MMH
Description
IC MCU AVR 4KB FLASH 12MHZ 20QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY40-SU.pdf
(18 pages)
Specifications of ATTINY40-MMH
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-VFQFN Exposed Pad
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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