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器件3D模型￥ 15.805
ATMEGA328P-PU 产品设计参考手册 - ATMEL（爱特美尔）
制造商:
ATMEL（爱特美尔）
分类:
微控制器
封装:
DIP-28
描述:
ATmega328P 8 位 megaAVR picoPower 微控制器Atmel ATmega328P 微控制器是基于 AVR 增强型 RISC 体系架构的 8 位 megaAVR 设备。 其特色为 picoPower 技术，可提供超低功耗和低功率睡眠模式，非常适合用于电池供电型应用。### 微控制器功能20 MHz 最大工作频率 20 MHz 时高达 20 MIPS 32 KB 闪存 1024 B EEPROM 2 KB SRAM 131 指令 – 大多数单一时钟周期执行 32 个通用寄存器 23 GPIO 通电重置和可编程掉电检测 内部校准振荡器 外部和内部中断源 六个省电睡眠模式 内部和外部中断 完全静态操作 ### 外围功能10 位 15 ksps 模拟至数字转换器 (ADC) - 8 或 6 通道 电容性触摸传感 - 16 通道 温度传感器 两个 8 位计时器 一个 16 位计时器 输出比较模块 - 6 通道 六个 PWM 通道 可编程串行 USART 主/从 SPI 串行接口 面向字节的 2 线串行接口 – I2C 兼容 可编程监看计时器，带单独振荡器 模拟比较器 引脚变化时的中断和唤醒 ### AVR 微控制器，Atmel展开
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引脚图在P43P87P88P95P100P101P104P108P118P124P133P146Hot
原理图在P14P15P42P118P125P130P168P173
应用领域在P12P123P128
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ATMEGA328P-PU数据手册
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5
Figure 38 QMatrix channel numbering for UC3L ....................................................................................... 121
6.3.7.5 QMatrix method API Flow for UC3L ............................................................................................ 121
Figure 39 QMatrix API Flow diagram for UC3L ........................................................................................ 122
6.3.7.6 QMatrix method Disable and Re-enable Sensor for UC3L ............................................................ 124
6.3.8 QTouch Group A/B method sensor operation for UC3L ..................................................... 124
6.3.8.1 QTouch Group A/B method pin selection for UC3L...................................................................... 124
Table 11 QTouch Resistive drive pin option ............................................................................................... 125
6.3.8.2 QTouch Group A/B method Schematic for UC3L ......................................................................... 125
6.3.8.2.1 Resistive Drive option .............................................................................................................. 125
6.3.8.2.2 SYNC pin option ...................................................................................................................... 125
Figure 40 QTouch Group A/B and Autonomous QTouch schematic arrangement ..................................... 126
6.3.8.3 QTouch Group A/B method hardware resource requirement for UC3L ........................................ 126
6.3.8.4 QTouch Group A/B method Channel and Sensor numbering for UC3L ........................................ 127
Figure 41 QTouch method Channel/Sensor numbering............................................................................... 127
Figure 42 QTouch method Channel/Sensor numbering when Group A and B are used together ................ 127
6.3.8.5 QTouch Group A/B method API Flow for UC3L .......................................................................... 128
Figure 43 QTouch method API Flow diagram ............................................................................................ 129
6.3.8.6 QTouch Group A/B method Disable and Re-enable Sensor for UC3L .......................................... 130
6.3.9 Autonomous QTouch sensor operation for UC3L ............................................................... 130
6.3.9.1 Autonomous QTouch Sensor pin selection for UC3L .................................................................... 130
6.3.9.2 Autonomous QTouch sensor Schematic for UC3L ........................................................................ 130
6.3.9.3 Autonomous QTouch method hardware resource requirement for UC3L ...................................... 130
Table 12 Sleep mode support for Autonomous QTouch ............................................................................. 130
6.3.9.4 Autonomous QTouch Sensor API Flow for UC3L ........................................................................ 131
Figure 44 Autonomous QTouch API Flow diagram .................................................................................... 131
6.3.9.5 Autonomous QTouch method Enable and Disable Sensor for UC3L ............................................ 131
6.3.10 Raw acquisition mode support for UC3L ............................................................................ 132
Figure 45 Raw acquisition mode API Flow diagram ................................................................................... 132
6.3.11 Library Configuration parameters for UC3L ...................................................................... 133
Table 13 QTouch Library for UC3L Configuration parameters .................................................................. 133
6.3.12 Example projects for QTouch Library for UC3L ................................................................. 134
6.3.12.1 Example Project usage ............................................................................................................... 134
Figure 46 GNU Example project usage with AVR32 Studio ...................................................................... 134
Figure 47 IAR Example project usage with IAR Embedded Workbench for AVR32 ................................. 134
6.3.12.2 QMatrix Example Project .......................................................................................................... 135
6.3.12.3 QTouch Group A Example Project ............................................................................................ 135
6.3.12.4 Autonomous QTouch Example Project ..................................................................................... 135
6.3.13 Code and Data Memory requirements for UC3L ................................................................ 136
6.3.13.1 QMatrix method memory requirement ...................................................................................... 136
Table 14 Typical Code and Data memory for Standalone QMatrix operation ........................................... 136
6.3.13.2 QTouch Group A/B method memory requirement .................................................................... 136
Table 15 Typical Code and Data memory for Standalone QTouch Group A/B operation .......................... 137
6.3.13.3 Autonomous QTouch memory requirement .............................................................................. 137
Table 16 Minimum Code and Data for Standalone Autonomous QTouch sensor ....................................... 137
6.3.14 Public header files of QTouch Library for UC3L ................................................................ 137
6.3.15 Type Definitions and enumerations used in the library ....................................................... 137
6.3.15.1 Typedefs .................................................................................................................................... 137
6.3.15.1.1 touch_acq_status_t ................................................................................................................. 138
6.3.15.1.2 touch_qt_grp_t ....................................................................................................................... 138
6.3.15.2 Enumerations ............................................................................................................................. 138
6.3.15.2.1 touch_ret_t.............................................................................................................................. 139
6.3.15.2.2 touch_lib_state_t .................................................................................................................... 139
6.3.15.2.3 touch_acq_mode_t ................................................................................................................. 140
6.3.15.2.4 sensor_type_t .......................................................................................................................... 140
6.3.15.2.5 aks_group_t ............................................................................................................................ 140
6.3.15.2.6 hysteresis_t ............................................................................................................................. 140
6.3.15.2.7 recal_threshold_t .................................................................................................................... 141
6.3.15.2.8 resolution_t ............................................................................................................................. 141
6.3.15.2.9 at_status_change_t ................................................................................................................. 142
6.3.15.2.10 x_pin_options_t .................................................................................................................... 142
6.3.15.2.11 y_pin_options_t .................................................................................................................... 142
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