ATMEGA329PV-10AU Atmel, ATMEGA329PV-10AU Datasheet - Page 235
ATMEGA329PV-10AU
Manufacturer Part Number
ATMEGA329PV-10AU
Description
IC MCU 32K 4X25 LCD CTRL 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA329PV-10AU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
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-TQFP, 64-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI/USART/USI
Maximum Clock Frequency
10 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA329PV-8AU
ATMEGA329PV-8AU
ATMEGA329PV-8AU
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23.3.5
23.3.6
8021G–AVR–03/11
Low Power Waveform
Operation in Sleep Mode
Figure 23-6. Driving a LCD with Four Common Terminals
To reduce toggle activity and hence power consumption a low power waveform can be selected
by writing LCDAB to one. Low power waveform requires two subsequent frames with the same
display data to obtain zero DC voltage. Consequently data latching and Interrupt Flag is only set
every second frame. Default and low power waveform is shown in
1/3 bias. For other selections of duty and bias, the effect is similar.
Figure 23-7. Default and Low Power Waveform
When synchronous LCD clock is selected (LCDCS = 0) the LCD display will operate in Idle
mode and Power-save mode with any clock source.
An asynchronous clock from TOSC1 can be selected as LCD clock by writing the LCDCS bit to
one when Calibrated Internal RC Oscillator is selected as system clock source. The LCD will
then operate in Idle mode, ADC Noise Reduction mode and Power-save mode.
When EXCLK in ASSR Register is written to one, and asynchronous clock is selected, the exter-
nal clock input buffer is enabled and an external clock can be input on Timer Oscillator 1
-
-
-
-
2
1
2
1
2
1
1
2
2
1
2
1
2
1
1
2
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
3
3
3
3
3
3
3
3
-V
3
3
3
3
3
3
3
3
-V
V
V
V
V
V
V
V
V
V
V
V
GND
GND
GND
V
V
V
GND
V
V
V
GND
V
V
V
GND
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Frame
Frame
Frame
Frame
SEG0
COM0
SEG0 - COM0
SEG0
COM0
SEG0 - COM0
-
-
-
-
2
1
2
1
2
1
1
2
2
1
2
1
2
1
1
2
/
/
/
/
/
/
/
/
3
3
3
3
3
3
3
3
/
/
/
/
/
/
/
/
-V
3
3
3
3
3
3
3
3
V
V
V
V
V
V
V
V
V
V
V
-V
GND
GND
GND
V
V
V
GND
V
V
V
GND
V
V
V
GND
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
ATmega329P/3290P
Frame
Frame
Figure 23-7
Frame
Frame
SEG0
COM0
SEG0 - COM0
for 1/3 duty and
SEG0
COM1
SEG0 - COM1
235
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