3. Ordering Information
Speed [MHz]
(3)
Power Supply [V] Ordering Code
(2)
Package
(1)
Operational Range
10 1.8 - 5.5
ATmega164PV-10AU
ATmega164PV-10AUR
(4)
ATmega164PV-10PU
ATmega164PV-10MU
ATmega164PV-10MUR
(4)
44A
44A
40P6
44M1
44M1
Industrial
(-40°C to 85°C)
20 2.7 - 5.5
ATmega164P-20AU
ATmega164P-20AUR
(4)
ATmega164P-20PU
ATmega164P-20MU
ATmega164P-20MUR
(4)
44A
44A
40P6
44M1
44M1
Industrial
(-40°C to 85°C)
10 1.8 - 5.5
ATmega164PV-10AN
ATmega164PV-10ANR
(4)
ATmega164PV-10PN
44A
44A
40P6
Industrial
(-40°C to 105°C)
20 2.7 - 5.5
ATmega164P-20AN
ATmega164P-20ANR
(4)
ATmega164P-20PN
ATmega164P-20MN
ATmega164P-20MNR
(4)
44A
44A
40P6
44M1
44M1
Industrial
(-40°C to 105°C)
Note: 
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for
detailed ordering information and minimum quantities.
2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances
(RoHS directive). Also Halide free and fully Green.
3. Refer to Speed Grades for Speed vs. V
CC
4. Tape & Reel.
Atmel ATmega164P/V [DATASHEET]
Atmel-42742B-ATmega164P/V_Datasheet_Summary-08/2016
7
Package Type
40P6 40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44A 44-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP)
44M1 44-pad, 7 × 7 × 1.0mm body, lead pitch 0.50mm, Thermally Enhanced Plastic Very Thin Quad Flat No-
Lead (VQFN)
Atmel ATmega164P/V [DATASHEET]
Atmel-42742B-ATmega164P/V_Datasheet_Summary-08/2016
8
4. Block Diagram
Figure 4-1. Block Diagram
CPU
USART 0
ADC
ADC[7:0]
AREF
RxD0
TxD0
XCK0
I
/O
PORTS
D
A
T
A
B
U
S
GPIOR[2:0]
SRAM
OCD
EXTINT
FLASH
NVM
programming
JTAG
I
N
/
O
U
T
D
A
T
A
B
U
S
TC 0
(8-bit)
SPI
AC
AIN0
AIN1
ACO
ADCMUX
EEPROM
EEPROMIF
TC 1
(16-bit)
OC1A/B
T1
ICP1
TC 2
(8-bit async)
TWI
SDA
SCL
USART 1
RxD1
TxD1
XCK1
Internal
Reference
Watchdog
Timer
Power
management
and clock
control
VCC
GND
Clock generation
8MHz
Calib RC
128kHz int
osc
32.768kHz
XOSC
External
clock
Power
Supervision
POR/BOD &
RESET
TOSC2
XTAL2
RESET
XTAL1
TOSC1
16MHz LP
XOSC
TCK
TMS
TDI
TDO
PCINT[31:0]
INT[2:0]
T0
OC0A
OC0B
MISO
MOSI
SCK
SS
OC2A
OC2B
PA
[7:0]
PB[7:0]
PC[7:0]
PD[7:0]
Atmel ATmega164P/V [DATASHEET]
Atmel-42742B-ATmega164P/V_Datasheet_Summary-08/2016
9

ATMEGA164PV-10AQ

Mfr. #:
Manufacturer:
Microchip Technology / Atmel
Description:
8-bit Microcontrollers - MCU AVR 16KB, 512B EE 10MHz 1KB SRAM, 1.8V
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union