参数资料
型号: ATMEGA329-16AUR
厂商: Atmel
文件页数: 17/30页
文件大小: 0K
描述: MCU AVR 32K FLASH 16MHZ 64TQFP
产品培训模块: megaAVR Introduction
标准包装: 1,000
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 16MHz
连通性: SPI,UART/USART,USI
外围设备: 欠压检测/复位,LCD,POR,PWM,WDT
输入/输出数: 54
程序存储器容量: 32KB(16K x 16)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-TQFP
包装: 带卷 (TR)
其它名称: ATMEGA329-16AUR-ND
24
2552KS–AVR–04/11
ATmega329/3290/649/6490
10. Errata
10.1
ATmega329
10.1.1
ATmega329 rev. C
Interrupts may be lost when writing the timer registers in the asynchronous timer
1.
Interrupts may be lost when writing the timer registers in the asynchronous timer
The interrupt will be lost if a timer register that is synchronous timer clock is written when the
asynchronous Timer/Counter register (TCNTx) is 0x00.
Problem Fix/Wortkaround
Always check that the asynchronous Timer/Counter register neither have the value 0xFF nor
0x00 before writing to the asynchronous Timer Control Register (TCCRx), asynchronous
Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx).
10.1.2
ATmega329 rev. B
Not sampled.
10.1.3
ATmega329 rev. A
LCD contrast voltage too high
Interrupts may be lost when writing the timer registers in the asynchronous timer
1.
LCD contrast voltage too high
When the LCD is active and using low power waveform, the LCD contrast voltage can be too
high. This occurs when V
CC is higher than VLCD, and when using low LCD drivetime.
Problem Fix/Workaround
There are several possible workarounds:
- Use normal waveform instead of low power waveform
- Use drivetime of 375 s or longer
2.
Interrupts may be lost when writing the timer registers in the asynchronous timer
The interrupt will be lost if a timer register that is synchronous timer clock is written when the
asynchronous Timer/Counter register (TCNTx) is 0x00.
Problem Fix/Wortkaround
Always check that the asynchronous Timer/Counter register neither have the value 0xFF nor
0x00 before writing to the asynchronous Timer Control Register (TCCRx), asynchronous
Timer Counter Register (TCNTx), or asynchronous Output Compare Register (OCRx).
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