ATMEGA164P-15AT Atmel, ATMEGA164P-15AT Datasheet - Page 6
ATMEGA164P-15AT
Manufacturer Part Number
ATMEGA164P-15AT
Description
MCU AVR 16K FLASH 15MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA164P-15AT
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.3.5
2.3.6
2.3.7
2.3.8
2.3.9
2.3.10
2.3.11
6
ATmega164P/324P/644P
Port C (PC7:PC0)
Port D (PD7:PD0)
RESET
XTAL1
XTAL2
AVCC
AREF
Port C is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port C output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port C pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port C pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port C also serves the functions of the JTAG interface, along with special features of the
ATmega164P/324P/644P as listed on
Port D is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port D output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port D pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port D pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port D also serves the functions of various special features of the ATmega164P/324P/644P as
listed on
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. The minimum pulse length is given in
Characteristics” on page
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting Oscillator amplifier.
AVCC is the supply voltage pin for Port F and the Analog-to-digital Converter. It should be exter-
nally connected to V
to V
This is the analog reference pin for the Analog-to-digital Converter.
CC
through a low-pass filter.
page
86.
CC
, even if the ADC is not used. If the ADC is used, it should be connected
332. Shorter pulses are not guaranteed to generate a reset.
page
84.
“System and Reset
7674F–AVR–09/09
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