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ATMEGA16A-PU 产品手册 - ATMEL(爱特美尔)
制造商:
ATMEL(爱特美尔)
分类:
微控制器
封装:
DIP-40
描述:
8 位 megaAVR® 微控制器,4KB 至 16KB 闪存,Atmel我们在 RS Components 提供 Atmel 的各种 megaAVR 8 位微控制器。每个微控制器均基于增强型 RISC 体系结构,并具有 QTouch 库支持。 所有 megaAVR 微控制器具有不同 Kb 的系统内可编程内存、EEPROM 和 SRAM 以及不同引脚和封装类型。 **megaAVR 8 位微控制器类型 ** ATmega8 ATmega16 ATmega48 ATmega88 ATmega162 ATmega164 ATmega165 ATmega168 ATmega8515 ATmega8535### AVR 微控制器,Atmel
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产品图
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引脚图在P2P6P51Hot
原理图在P4P8P49P71P72P74P75P89P94P95P97P99
封装尺寸在P340P341P342
型号编码规则在P339
封装信息在P340
应用领域在P37P45P47P250P254P262P264P265
电气规格在P67
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ATMEGA16A-PU数据手册
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5
8154B–AVR–07/09
ATmega16A
The AVR core combines a rich instruction set with 32 general purpose working registers. All the
32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent
registers to be accessed in one single instruction executed in one clock cycle. The resulting
architecture is more code efficient while achieving throughputs up to ten times faster than con-
ventional CISC microcontrollers.
The ATmega16A provides the following features: 16K bytes of In-System Programmable Flash
Program memory with Read-While-Write capabilities, 512 bytes EEPROM, 1K byte SRAM, 32
general purpose I/O lines, 32 general purpose working registers, a JTAG interface for Boundary-
scan, On-chip Debugging support and programming, three flexible Timer/Counters with com-
pare modes, Internal and External Interrupts, a serial programmable USART, a byte oriented
Two-wire Serial Interface, an 8-channel, 10-bit ADC with optional differential input stage with
programmable gain (TQFP package only), a programmable Watchdog Timer with Internal Oscil-
lator, an SPI serial port, and six software selectable power saving modes. The Idle mode stops
the CPU while allowing the USART, Two-wire interface, A/D Converter, SRAM, Timer/Counters,
SPI port, and interrupt system to continue functioning. The Power-down mode saves the register
contents but freezes the Oscillator, disabling all other chip functions until the next External Inter-
rupt or Hardware Reset. In Power-save mode, the Asynchronous Timer continues to run,
allowing the user to maintain a timer base while the rest of the device is sleeping. The ADC
Noise Reduction mode stops the CPU and all I/O modules except Asynchronous Timer and
ADC, to minimize switching noise during ADC conversions. In Standby mode, the crystal/reso-
nator Oscillator is running while the rest of the device is sleeping. This allows very fast start-up
combined with low-power consumption. In Extended Standby mode, both the main Oscillator
and the Asynchronous Timer continue to run.
The device is manufactured using Atmel’s high density nonvolatile memory technology. The On-
chip ISP Flash allows the program memory to be reprogrammed in-system through an SPI serial
interface, by a conventional nonvolatile memory programmer, or by an On-chip Boot program
running on the AVR core. The boot program can use any interface to download the application
program in the Application Flash memory. Software in the Boot Flash section will continue to run
while the Application Flash section is updated, providing true Read-While-Write operation. By
combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip,
the Atmel ATmega16A is a powerful microcontroller that provides a highly-flexible and cost-
effective solution to many embedded control applications.
The ATmega16A AVR is supported with a full suite of program and system development tools
including: C compilers, macro assemblers, program debugger/simulators, in-circuit emulators,
and evaluation kits.
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