ATMEGA325P-20MUR Atmel, ATMEGA325P-20MUR Datasheet - Page 156
ATMEGA325P-20MUR
Manufacturer Part Number
ATMEGA325P-20MUR
Description
MCU AVR 32K FLASH 20MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA3250P-20AU.pdf
(364 pages)
Specifications of ATMEGA325P-20MUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8023F–AVR–07/09
When the SPI is enabled, the data direction of the MOSI, MISO, SCK, and SS pins is overridden
according to
Functions” on page
Table 17-1.
Note:
MOSI
MISO
SCK
Pin
SS
1. See
direction of the user defined SPI pins.
Table
SPI Pin Overrides
”Alternate Functions of Port B” on page 71
Direction, Master SPI
User Defined
Input
User Defined
User Defined
17-1. For more details on automatic port overrides, refer to
69.
(1)
for a detailed description of how to define the
ATmega325P/3250P
Direction, Slave SPI
Input
User Defined
Input
Input
”Alternate Port
156
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