ATMEGA329V-8MU Atmel, ATMEGA329V-8MU Datasheet - Page 263

• Manufacturer Part Number: ATMEGA329V-8MU
• Description: IC AVR MCU 32K 8MHZ 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329V-8MU

• 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: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K 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: 64-MLF®, 64-QFN
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI, USART, USI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2552K–AVR–04/11
As an example, consider the task of verifying a 1.5V ± 5% input signal at ADC channel 3 when
the power supply is 5.0V and AREF is externally connected to V
The recommended values from
rithm in
“Actions” describes what JTAG instruction to be used before filling the Boundary-scan Register
with the succeeding columns. The verification should be done on the data scanned out when
scanning in the data on the same row in the table.
Table 25-6.
Using this algorithm, the timing constraint on the HOLD signal constrains the TCK clock fre-
quency. As the algorithm keeps HOLD high for five steps, the TCK clock frequency has to be at
least five times the number of scan bits divided by the maximum hold time, t
Step
1
2
3
4
5
6
7
8
9
10
11
Table
Actions
SAMPLE_
PRELOAD
EXTEST
Verify the
COMP bit
scanned
out to be 0
Verify the
COMP bit
scanned
out to be 1
25-6. Only the DAC and port pin values of the Scan Chain are shown. The column
Algorithm for Using the ADC
The lower limit is:
The upper limit is:
ADCEN
1
1
1
1
1
1
1
1
1
1
1
DAC
0x200
0x200
0x200
0x123
0x123
0x200
0x200
0x200
0x143
0x143
0x200
Table 25-5
1024 1.5V 0,95 5V
MUXEN
1024 1.5V 1.05 5V
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
⋅
⋅
are used unless other values are given in the algo-
ATmega329/3290/649/6490
HOLD
⋅
⋅
1
0
1
1
1
1
0
1
1
1
1
⁄
⁄
PRECH
1
1
1
1
0
1
1
1
1
0
1
=
=
291
323
PA3.
Data
CC
=
=
0
0
0
0
0
0
0
0
0
0
0
.
0x123
0x143
PA3.
Control
0
0
0
0
0
0
0
0
0
0
0
hold,max
PA3.
Pull-
up_
Enable
0
0
0
0
0
0
0
0
0
0
0
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