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参数资料
型号： PIC12F1822-E/MF
厂商： Microchip Technology
文件页数： 39/109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
226
7674F–AVR–09/09
ATmega164P/324P/644P
After a repeated START condition (state 0x10) the 2-wire Serial Interface can access the same
Slave again, or a new Slave without transmitting a STOP condition. Repeated START enables
the Master to switch between Slaves, Master Transmitter mode and Master Receiver mode with-
out losing control over the bus.
Table 19-3.
Status codes for Master Receiver Mode
Status Code
(TWSR)
Prescaler Bits
are 0
Status of the 2-wire Serial Bus
and 2-wire Serial Interface Hard-
ware
Application Software Response
Next Action Taken by TWI Hardware
To/from TWDR
To TWCR
STA
STO
TWINT
TWEA
0x08
A START condition has been
transmitted
Load SLA+R
0
1
X
SLA+R will be transmitted
ACK or NOT ACK will be received
0x10
A repeated START condition
has been transmitted
Load SLA+R or
Load SLA+W
0
1
X
SLA+R will be transmitted
ACK or NOT ACK will be received
SLA+W will be transmitted
Logic will switch to Master Transmitter mode
0x38
Arbitration lost in SLA+R or NOT
ACK bit
No TWDR action or
No TWDR action
0
1
0
1
X
2-wire Serial Bus will be released and not addressed
Slave mode will be entered
A START condition will be transmitted when the bus
becomes free
0x40
SLA+R has been transmitted;
ACK has been received
No TWDR action or
No TWDR action
0
1
0
1
Data byte will be received and NOT ACK will be
returned
Data byte will be received and ACK will be returned
0x48
SLA+R has been transmitted;
NOT ACK has been received
No TWDR action or
No TWDR action
1
0
1
0
1
X
Repeated START will be transmitted
STOP condition will be transmitted and TWSTO Flag will
be reset
STOP condition followed by a START condition will be
transmitted and TWSTO Flag will be reset
0x50
Data byte has been received;
ACK has been returned
Read data byte or
Read data byte
0
1
0
1
Data byte will be received and NOT ACK will be
returned
Data byte will be received and ACK will be returned
0x58
Data byte has been received;
NOT ACK has been returned
Read data byte or
Read data byte
1
0
1
0
1
X
Repeated START will be transmitted
STOP condition will be transmitted and TWSTO Flag will
be reset
STOP condition followed by a START condition will be
transmitted and TWSTO Flag will be reset
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相关代理商/技术参数
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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
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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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