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参数资料
| 型号： | PIC10F206-E/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 81/94页 |
| 文件大小： | 0K |
| 描述： | IC PIC MCU FLASH 512X12 8DFN |
| 标准包装： | 150 |
| 系列： | PIC® 10F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 4MHz |
| 外围设备： | POR，WDT |
| 输入/输出数： | 3 |
| 程序存储器容量： | 768B（512 x 12） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 24 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 包装： | 管件 |
| 配用： | AC164334-ND - MODULE SOCKET FOR 8L 2X3MM DFN AC163020-2-ND - ADAPTER PROGRAM PIC10F 2X3 DFN |
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83
AT89/83EB5114
4311C–8051–02/08
Stacked EEPROM
Overview
The AT8xEB5114 features a stacked 2-wire serial data EEPROM. The data EEPROM
allows to save up to 256 bytes. The EEPROM is internally connected to P3.6 and P3.7
which are respectively connected to the SDA and the SCL pins.
Protocol
In order to access this memory, it is necessary to use software subroutines according to
the AT24C02 datasheet. Nevertheless, because the internal pull-up resistors of the
AT8xEB5114 is quite high (around 100K), the protocol should be slowed in order to be
sure that the SDA pin can rise to the high level before reading it.
Another solution to keep the access to the EEPROM in specification is to work with a
software pull-up.
Using a software pull-up, consists of forcing a low level at the output pin of the microcon-
troller before configuring it as an input (high level).
The C51 the ports are “quasi-bidirectional” ports. It means that the ports can be config-
ured as output low or as input high. In case a port is configured as an output low, it can
sink a current and all internal pull-ups are disconnected. In case a port is configured as
an input high, it is pulled up with a strong pull-up (a few hundreds Ohms resistor) for 2
clock periods. Then, if the port is externally connected to a low level, it is only kept high
with a weak pull up (around 100K), and if not, the high level is latched high thanks to a
medium pull (around 10k).
Thus, when the port is configured as an input, and when this input has been read at a
low level, there is a pull-up of around 100K, which is quite high, to quickly load the
SDA capacitance. So in order to help the reading of a high level just after the reading of
a low level, it is possible to force a transition of the SDA port from an input state (1), to
an output low state (0), followed by a new transition from this output low state to input
state; In this case, the high pull-up has been replaced with a low pull-up which warran-
ties a good reading of the data.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PIC10F206-I/MC | 功能描述:8位微控制器 -MCU 0.75KB 24B RAM 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 |
| PIC10F206-I/OT | 制造商:Microchip Technology Inc 功能描述:8BIT PIC10 RISC 0.75KB FLASH 4 - Bulk |
| PIC10F206-I/P | 功能描述:8位微控制器 -MCU .75kBF 24RM 4I/O Ind Temp PDIP 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 |
| PIC10F206T | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F206T-E/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
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