ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 326
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
ATmega645P
Manufacturer Part Number
ATmega645P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega645P
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 326 of 679
- Download datasheet (37Mb)
28.5
28.6
28.6.1
8285D–AVR–06/11
System and Reset Characteristics
Power-on Reset
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/6450A/6450PA
revision C and later
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
The following characteristics apply only to ATmega165A/165PA
Table 28-13. Reset, Brown-out and Internal Voltage Characteristics
Note:
Table 28-14. Reset, Brown-out and Internal Voltage Reference Characteristics,
Notes:
Symbol
Symbol
V
V
V
V
SR
t
t
V
V
t
I
RST
HYST
BOD
POT
RST
BG
BG
PSR
BG
POT
ON
1. The Power-on Reset will not work unless the supply voltage has been below V
1. The Power-on Reset will not work unless the supply voltage has been below V
Parameter
Power-on Reset Threshold
Voltage (rising)
Power-on Reset Threshold
Voltage (falling)
Power-on Reset Slope Rate
Minimum pulse width on RESET
Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out
Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current
consumption
RESET Pin Threshold Voltage
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
T
A
= -40°C to 85°C
(1)
V
V
V
Condition
T
T
T
T
T
V
V
A
A
CC
CC
CC
to 85°C
to 85°C
A
A
A
CC
CC
= -40°C
= -40°C
= 25°C
= 25°C
= 25°C
= 2.7V,
= 2.7V,
= 2.7V,
= 3V
= 3V
(1)
0.2 V
Min
1.1
0.6
0.1
1.0
CC
Min.
0.01
1.1
0.6
Typ
1.4
1.3
1.1
50
40
10
2
Typ
1.4
1.3
0.9 V
Max
1.6
1.6
2.5
1.2
4.5
70
Max
1.6
1.6
10
POT
POT
CC
(falling)
(falling)
Units
V/ms
Units
V/ms
mV
V
V
µA
µs
µs
µs
V
V
V
V
326
Related parts for ATmega645P
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![U641B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
![U4082B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
![U4255BM-M](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B-P](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
![TDA4470](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
![ATF22V10B-25PC](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
![AT89C51ED2-IM](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
![AT24C01](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet:
![U6046B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
U6046BREAR WINDOW HEATING TIMER / LONG-TERM TIMER
Manufacturer:
ATMEL Corporation
Datasheet: