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8018P–AVR–08/10
ATmega169P
When the write access time has elapsed, the EEWE bit is cleared by hardware. The user soft-
ware can poll this bit and wait for a zero before writing the next byte. When EEWE has been set,
the CPU is halted for two cycles before the next instruction is executed.
The user should poll the EEWE bit before starting the read operation. If a write operation is in
progress, it is neither possible to read the EEPROM, nor to change the EEAR Register.
The calibrated Oscillator is used to time the EEPROM accesses. Table 7-1 lists the typical pro-
gramming time for EEPROM access from the CPU.
Table 7-1.
EEPROM Programming Time
Symbol
Number of Calibrated
RC Oscillator Cycles
Typical Programming Time
EEPROM write (from CPU)
27 072
3.3 ms
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相关代理商/技术参数
ATMEGA169P-16MCU 功能描述:8位微控制器 -MCU AVR 16KB, 512B EE 16MHz 1KB SRAM, 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-16MU 功能描述:8位微控制器 -MCU AVR 16K FLASH 512B EE 1K SRAM LCD ADC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-16MU SL383 制造商:Atmel Corporation 功能描述:MCU 8BIT ATMEGA RISC 16KB FLASH 3.3V/5V 64PIN MLF - Tape and Reel
ATMEGA169P-16MUR 功能描述:8位微控制器 -MCU AVR LCD 16KB FLSH EE 512B 1KB SRAM-16MHZ RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
ATMEGA169P-8AU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169P-8MU 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169PA 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 16K Bytes In-System Programmable Flash
ATMEGA169PA_1 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:High Endurance Non-volatile Memory segments