ATmega165P Atmel Corporation, ATmega165P Datasheet - Page 236

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ATmega165P

Manufacturer Part Number
ATmega165P
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega165P

Flash (kbytes)
16 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)
1
Eeprom (bytes)
512
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

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23.5.4
8019K–AVR–11/10
Scanning the Analog Comparator
Table 23-1
XTAL1/XTAL2 connections as well as 32 kHz Timer Oscillator.
Table 23-1.
Notes:
The relevant Comparator signals regarding Boundary-scan are shown in
Boundary-scan cell from
nals are described in
The Comparator need not be used for pure connectivity testing, since all analog inputs are
shared with a digital port pin as well.
Figure 23-7. Analog Comparator
Enable Signal
EXTCLKEN
OSCON
OSC32EN
ADCEN
ACME
1. Do not enable more than one clock source as main clock at a time.
2. Scanning an Oscillator output gives unpredictable results as there is a frequency drift between
3. The clock configuration is programmed by fuses. As a fuse is not changed run-time, the clock
the internal Oscillator and the JTAG TCK clock. If possible, scanning an external clock is
preferred.
configuration is considered fixed for a given application. The user is advised to scan the same
clock option as to be used in the final system. The enable signals are supported in the scan
chain because the system logic can disable clock options in sleep modes, thereby disconnect-
ing the Oscillator pins from the scan path if not provided.
summaries the scan registers for the external clock pin XTAL1, oscillators with
ADC MULTIPLEXER
Scan Signals for the Oscillator
REFERENCE
OUTPUT
BANDGAP
Scanned
Clock Line
EXTCLK (XTAL1)
OSCCK
OSC32CK
Table 23-2 on page
Figure 23-8 on page 237
ACBG
Clock Option
External Clock
External Crystal
External Ceramic Resonator
Low Freq. External Crystal
237.
(1)(2)(3)
is attached to each of these signals. The sig-
ACD
AC_IDLE
ATmega165P
Scanned Clock Line
when not Used
Figure
1
0
1
23-7. The
ACO
236

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