ATMEGA169PV-8AUR Atmel, ATMEGA169PV-8AUR Datasheet - Page 265
ATMEGA169PV-8AUR
Manufacturer Part Number
ATMEGA169PV-8AUR
Description
MCU AVR 16KB FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA169PV-8AU.pdf
(395 pages)
Specifications of ATMEGA169PV-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Package
64TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
54
Interface Type
SPI/USART/USI
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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25.5.2
25.5.3
8018P–AVR–08/10
Scanning the RESET Pin
Scanning the Clock Pins
The RESET pin accepts 5V active low logic for standard reset operation, and 12V active high
logic for High Voltage Parallel programming. An observe-only cell as shown in
inserted both for the 5V reset signal; RSTT, and the 12V reset signal; RSTHV.
Figure 25-5. Observe-only Cell
The AVR devices have many clock options selectable by fuses. These are: Internal RC Oscilla-
tor, External Clock, (High Frequency) Crystal Oscillator, Low-frequency Crystal Oscillator, and
Ceramic Resonator.
Figure 25-6
The Enable signal is supported with a general Boundary-scan cell, while the Oscillator/clock out-
put is attached to an observe-only cell. In addition to the main clock, the timer Oscillator is
scanned in the same way. The output from the internal RC Oscillator is not scanned, as this
Oscillator does not have external connections.
Figure 25-6. Boundary-scan Cells for Oscillators and Clock Options
From Digital Logic
shows how each Oscillator with external connection is supported in the scan chain.
Previous
From
Cell
From System Pin
ShiftDR
0
1
ClockDR
D
UpdateDR
Q
Next
Cell
To
Previous
D
G
From
Cell
Q
ShiftDR
EXTEST
0
1
0
1
XTAL1/TOSC1
ClockDR
ENABLE
Oscillator
D
FF1
XTAL2/TOSC2
Q
OUTPUT
Next
Cell
To
Previous
From
To System Logic
Cell
ShiftDR
0
1
ClockDR
ATmega169P
D
FF1
Q
Next
Cell
To
Figure 25-5
To System Logic
265
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