ATMEGA161L-4PI Atmel, ATMEGA161L-4PI Datasheet - Page 2

• Manufacturer Part Number: ATMEGA161L-4PI
• Description: IC AVR MCU 16K LV 4MHZ IND 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA161L-4PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

Pin Configuration
2
ATmega161(L)
(OCIA/TOSC2) PD5
(TOSC1) PD4
(RXD0) PD0
(TXD0) PD1
(MOSI) PB5
(MISO) PB6
(INT0) PD2
(INT1) PD3
(SCK) PB7
RESET
NC*
(OC1A/TOSC2) PD5
(RXD1/AIN0) PB2
(TXD1/AIN1) PB3
(OC0/T0) PB0
(OC2/T1) PB1
(TOSC1) PD4
1
2
3
4
5
6
7
8
9
10
11
(RXD0) PD0
(TXD0) PD1
(MOSI) PB5
(MISO) PB6
(INT0) PD2
(INT1) PD3
(SCK) PB7
(WR) PD6
(RD) PD7
(SS) PB4
RESET
XTAL2
XTAL1
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PDIP
TQFP
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
PA0 (AD0)
PA1 (AD1)
PA2 (AD2)
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PE0 (ICP/INT2)
PE1 (ALE)
PE2 (OC1B)
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
33
32
31
30
29
28
27
26
25
24
23
* NC = Do not connect
(Can be used in future devices)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PE0 (ICP/INT2)
NC*
PE1 (ALE)
PE2 (OC1B)
PC7 (A15)
PC6 (A14)
PC5 (A13)
1228D–AVR–02/07