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ATMEGA162-16PU
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ATMEGA162-16PU数据手册
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AVR082: Replacing ATmega161 by ATmega162
Features
ATmega161 Errata Corrected in ATmega162
Improvements to Timer/Counters
Improvements to External Memory Interface
Improvements to UART
Changes in EEPROM Write Timing
Changes in Programming Interface
Fuse Settings
Oscillators and Selecting Start-up Delays
Changes to Watchdog Timer
JTAG Interface
Other Concerns
Features not Available in ATmega161 Compatibility Mode
Introduction
This application note is a guide to assist current ATmega161 users in converting exist-
ing designs to the ATmega162. The ATmega162 has two operating modes selected
through the fuse settings. The M161C Fuse selects whether the ATmega161 compati-
bility mode should be used or not. By default, the M161C Fuse is unprogrammed and
the ATmega162 operates in Normal mode. When the compatibility mode is used, only
non-conflicting enhancements make the part different from the ATmega161. Addition-
ally, the electrical characteristics of the ATmega162 are different including an increase
in operating frequency because of a change in process technology. Check the data
sheet for detailed information. When the M161C Fuse is unprogrammed, all new fea-
tures are supported, but porting the code may require more work.
ATmega161 Errata Corrected in ATmega162
The following items from the Errata Sheets of the ATmega161 do not apply to the
ATmega162. Refer to the ATmega161 Errata Sheet for a more detailed description of
the Errata.
PWM not Phase Correct
All Timers in ATmega162 have been redesigned to generate phase correct PWM.
Increased Interrupt Latency
In ATmega162, all instructions are interruptable, and no dead-lock situation exists if a
loop is followed by a two-word instruction for the purpose of looping until an interrupt
goes active.
8-bit
Microcontroller
Application
Note
Rev. 2516D–AVR–01/04

ATMEGA162-16PU 数据手册

Microchip(微芯)
22 页 / 0.49 MByte
Microchip(微芯)
68 页 / 9.77 MByte
Microchip(微芯)
8 页 / 0.07 MByte
Microchip(微芯)
9 页 / 0.22 MByte
Microchip(微芯)
1 页 / 0.13 MByte

ATMEGA16216 数据手册

ATMEL(爱特美尔)
ATMEL  ATMEGA162-16AU  微控制器, 8位, 低功率高性能, ATmega, 16 MHz, 16 KB, 1 KB, 44 引脚, TQFP
ATMEL(爱特美尔)
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
Microchip(微芯)
ATmega 系列 16 MHz 16 KB 闪存 1 KB SRAM 8 位 微控制器 - TQFP-44
Microchip(微芯)
ATmega 系列 16 MHz 16 KB 闪存 1 KB SRAM 8 位 微控制器 - DIP-40
ATMEL(爱特美尔)
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
Microchip(微芯)
ATmega 系列 16 MHz 16 KB 闪存 1 KB SRAM 8 位 微控制器 - MLF-44
Microchip(微芯)
8位 MCU微控制单元, 低功率高性能, AVR ATmega Family ATmega16X Series Microcontrollers, 16 MHz, 16 KB, 1 KB
ATMEL(爱特美尔)
ATMEL  ATMEGA162-16AUR  微控制器, 8位, 低功率高性能, ATmega, 16 MHz, 16 KB, 1 KB, 44 引脚, TQFP
ATMEL(爱特美尔)
Microchip(微芯)
AVR 16MHz 闪存:8K@x16bit RAM:1KB
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