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参数资料
型号： PIC12F1822-E/MF
厂商： Microchip Technology
文件页数： 36/109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
223
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 of the bus.
Table 19-2.
Status codes for Master Transmitter 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+W
0
1
X
SLA+W will be transmitted;
ACK or NOT ACK will be received
0x10
A repeated START condition
has been transmitted
Load SLA+W or
Load SLA+R
0
1
X
SLA+W will be transmitted;
ACK or NOT ACK will be received
SLA+R will be transmitted;
Logic will switch to Master Receiver mode
0x18
SLA+W has been transmitted;
ACK has been received
Load data byte or
No TWDR action or
No TWDR action
0
1
0
1
0
1
X
Data byte will be transmitted and ACK or NOT ACK will
be received
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
0x20
SLA+W has been transmitted;
NOT ACK has been received
Load data byte or
No TWDR action or
No TWDR action
0
1
0
1
0
1
X
Data byte will be transmitted and ACK or NOT ACK will
be received
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
0x28
Data byte has been transmitted;
ACK has been received
Load data byte or
No TWDR action or
No TWDR action
0
1
0
1
0
1
X
Data byte will be transmitted and ACK or NOT ACK will
be received
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
0x30
Data byte has been transmitted;
NOT ACK has been received
Load data byte or
No TWDR action or
No TWDR action
0
1
0
1
0
1
X
Data byte will be transmitted and ACK or NOT ACK will
be received
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
0x38
Arbitration lost in SLA+W or data
bytes
No TWDR action or
No TWDR action
0
1
0
1
X
2-wire Serial Bus will be released and not addressed
Slave mode entered
A START condition will be transmitted when the bus be-
comes free
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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
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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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