参数资料
型号: ATMEGA328P-15MZ
厂商: Atmel
文件页数: 72/83页
文件大小: 0K
描述: MCU AVR 32K FLASH 15MHZ 32-QFN
产品培训模块: megaAVR Introduction
标准包装: 1
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 16MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 23
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 ~ 125°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 剪切带 (CT)
其它名称: ATMEGA328P-15MZCT
33
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
When this clock source is selected, start-up times are determined by the SUT Fuses as shown in
Note:
1. If the RSTDISBL fuse is programmed, this start-up time will be increased to
14CK + 4.1 ms to ensure programming mode can be entered.
8.8
External Clock
To drive the device from an external clock source, XTAL1 should be driven as shown in Figure
8-4 on page 33. To run the device on an external clock, the CKSEL Fuses must be programmed
to “0000” (see Table 8-14).
Figure 8-4.
External Clock Drive Configuration
When this clock source is selected, start-up times are determined by the SUT Fuses as shown in
Table 8-13.
Start-up Times for the 128 kHz Internal Oscillator
Power Conditions
Start-up Time from
Power-down and Power-save
Additional Delay from
Reset
SUT1..0
BOD enabled
6 CK
14CK(1)
00
Fast rising power
6 CK
14CK + 4 ms
01
Slowly rising power
6 CK
14CK + 64 ms
10
Reserved
11
Table 8-14.
Crystal Oscillator Clock Frequency
Frequency
CKSEL3..0
0 - 16 MHz
0000
Table 8-15.
Start-up Times for the External Clock Selection
Power Conditions
Start-up Time from
Power-down and Power-save
Additional Delay from
Reset (VCC = 5.0V)
SUT1..0
BOD enabled
6 CK
14CK
00
Fast rising power
6 CK
14CK + 4.1 ms
01
Slowly rising power
6 CK
14CK + 65 ms
10
Reserved
11
NC
EXTERNAL
CLOCK
SIGNAL
XTAL2
XTAL1
GND
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