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参数资料
型号： PIC12F1822-E/MF
厂商： Microchip Technology
文件页数： 24/109页
文件大小： 0K
描述： MCU 8BIT 2K FLASH 8DFN
标准包装： 120
系列： PIC® XLP™ 12F
核心处理器： PIC
芯体尺寸： 8-位
速度： 32MHz
连通性： I²C，LIN，SPI，UART/USART
外围设备： 欠压检测/复位，POR，PWM，WDT
输入/输出数： 6
程序存储器容量： 3.5KB（2K x 14）
程序存储器类型： 闪存
EEPROM 大小： 256 x 8
RAM 容量： 128 x 8
电压 - 电源 (Vcc/Vdd)： 1.8 V ~ 5.5 V
数据转换器： A/D 4x10b
振荡器型： 内部
工作温度： -40°C ~ 125°C
封装/外壳： 8-VDFN 裸露焊盘
包装： 管件
212
7674F–AVR–09/09
ATmega164P/324P/644P
The MSB of the address byte is transmitted first. Slave addresses can freely be allocated by the
designer, but the address 0000 000 is reserved for a general call.
When a general call is issued, all slaves should respond by pulling the SDA line low in the ACK
cycle. A general call is used when a Master wishes to transmit the same message to several
slaves in the system. When the general call address followed by a Write bit is transmitted on the
bus, all slaves set up to acknowledge the general call will pull the SDA line low in the ack cycle.
The following data packets will then be received by all the slaves that acknowledged the general
call. Note that transmitting the general call address followed by a Read bit is meaningless, as
this would cause contention if several slaves started transmitting different data.
All addresses of the format 1111 xxx should be reserved for future purposes.
Figure 19-4. Address Packet Format
19.3.4
Data Packet Format
All data packets transmitted on the TWI bus are nine bits long, consisting of one data byte and
an acknowledge bit. During a data transfer, the Master generates the clock and the START and
STOP conditions, while the Receiver is responsible for acknowledging the reception. An
Acknowledge (ACK) is signalled by the Receiver pulling the SDA line low during the ninth SCL
cycle. If the Receiver leaves the SDA line high, a NACK is signalled. When the Receiver has
received the last byte, or for some reason cannot receive any more bytes, it should inform the
Transmitter by sending a NACK after the final byte. The MSB of the data byte is transmitted first.
Figure 19-5. Data Packet Format
SDA
SCL
START
12
7
8
9
Addr MSB
Addr LSB
R/W
ACK
12
78
9
Data MSB
Data LSB
ACK
Aggregate
SDA
SDA from
Transmitter
SDA from
Receiver
SCL from
Master
SLA+R/W
Data Byte
STOP, REPEATED
START or Next
Data Byte
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相关代理商/技术参数
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PIC12F1822-I/MF 功能描述:8位微控制器 -MCU 3.5KB 128B RAM 32MHz 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
PIC12F1822-I/P 功能描述:8位微控制器 -MCU 3.5KB 128B RAM 32MHz Int. Osc 6 I/0 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
PIC12F1822-I/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT MCU PIC12F 32MHZ PDIP-8 制造商:Microchip Technology Inc 功能描述:IC, 8BIT MCU, PIC12F, 32MHZ, PDIP-8
PIC12F1822-I/SN 功能描述:8位微控制器 -MCU 3.5KB 128B RAM 32MHz Int. Osc 6 I/0 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
PIC12F1822-I/SN 制造商:Microchip Technology Inc 功能描述:IC 8BIT MCU PIC12F 32 MHz 8-DIP 制造商:Microchip Technology Inc 功能描述:IC, 8BIT MCU, PIC12F, 32 MHz, 8-SOIC
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