ATMEGA169PV-8AUR Atmel, ATMEGA169PV-8AUR Datasheet - Page 268
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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25.5.5
8018P–AVR–08/10
Scanning the ADC
Figure 25-9
Boundary-scan cell from
need not be used for pure connectivity testing, since all analog inputs are shared with a digital
port pin as well.
Figure 25-9. Analog to Digital Converter.
The signals are described briefly in
NEGSEL_2
NEGSEL_1
NEGSEL_0
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
EXTCH
ADC_7
ADC_6
ADC_5
ADC_4
ADC_3
ADC_2
ADC_1
ADC_0
ADC_2
ADC_0
shows a block diagram of the ADC with all relevant control and observe signals. The
ADC_1
SCTEST
AMPEN
ACLK
Figure 25-5 on page 265
ST
To Comparator
+
-
1x
Table 25-3 on page
ADCBGEN
VCCREN
IREFEN
AREF
PASSEN
ACTEN
1.22V
GNDEN
ref
is attached to each of these signals. The ADC
1.11V
ref
269.
PRECH
DAC_9..0
ADCEN
HOLD
PRECH
AREF
10-bit DAC
ATmega169P
AREF
+
-
DACOUT
COMP
COMP
268
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