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| 型號(hào)： | AT89C51ID2-RLRIM |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 141/157頁(yè) |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 8051 64K 5V 44-VQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | 89C |
| 核心處理器： | 8051 |
| 芯體尺寸： | 8-位 |
| 速度： | 60MHz |
| 連通性： | I²C，SPI，UART/USART |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 34 |
| 程序存儲(chǔ)器容量： | 64KB（64K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| EEPROM 大?。?/td> | 2K x 8 |
| RAM 容量： | 2K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 振蕩器型： | 外部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 44-LQFP |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | AT89C51ID2RLRIMCT |
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84
AT89C51ID2
4289C–8051–11/05
When the slave address and the direction bit have been transmitted and an acknowl-
edgement bit has been received, the serial interrupt flag is set again and a number of
status code in SSCS are possible. There are 40h, 48h or 38h for the master mode and
also 68h, 78h or B0h if the slave mode was enabled (AA=logic 1). The appropriate
action to be taken for each of these status code is detailed in Table . This scheme is
repeated until a STOP condition is transmitted.
SSIE, CR2, CR1 and CR0 are not affected by the serial transfer and are referred to
Table 7 to Table 11. After a repeated START condition (state 10h) the TWI module may
switch to the master transmitter mode by loading SSDAT with SLA+W.
Slave Receiver Mode
In the slave receiver mode, a number of data bytes are received from a master transmit-
ter (Figure 34). To initiate the slave receiver mode, SSADR and SSCON must be loaded
as follows:
The upper 7 bits are the address to which the TWI module will respond when addressed
by a master. If the LSB (GC) is set the TWI module will respond to the general call
address (00h); otherwise it ignores the general call address.
CR0, CR1 and CR2 have no effect in the slave mode. SSIE must be set to enable the
TWI. The AA bit must be set to enable the own slave address or the general call address
acknowledgement. STA, STO and SI must be cleared.
When SSADR and SSCON have been initialised, the TWI module waits until it is
addressed by its own slave address followed by the data direction bit which must be at
logic 0 (W) for the TWI to operate in the slave receiver mode. After its own slave
address and the W bit have been received, the serial interrupt flag is set and a valid sta-
tus code can be read from SSCS. This status code is used to vector to an interrupt
service routine.The appropriate action to be taken for each of these status code is
detailed in Table . The slave receiver mode may also be entered if arbitration is lost
while TWI is in the master mode (states 68h and 78h).
If the AA bit is reset during a transfer, TWI module will return a not acknowledge (logic 1)
to SDA after the next received data byte. While AA is reset, the TWI module does not
respond to its own slave address. However, the 2-wire bus is still monitored and
address recognition may be resume at any time by setting AA. This means that the AA
bit may be used to temporarily isolate the module from the 2-wire bus.
Slave Transmitter Mode
In the slave transmitter mode, a number of data bytes are transmitted to a master
receiver (Figure 35). Data transfer is initialized as in the slave receiver mode. When
SSADR and SSCON have been initialized, the TWI module waits until it is addressed by
Table 63. SSADR: Slave Receiver Mode Initialization
A6
A5
A4
A3
A2
A1
A0
GC
own slave address
Table 64. SSCON: Slave Receiver Mode Initialization
CR2
SSIE
STA
STO
SI
AA
CR1
CR0
bit rate
1
0
1
bit rate
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| AT89C51ID2-RLRUM | 功能描述:8位微控制器 -MCU C51ID2 64K FLASH 32KHz 3-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51ID2-RLTIM | 功能描述:IC 8051 MCU FLASH 64K 44VQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:89C 標(biāo)準(zhǔn)包裝:9 系列:87C 核心處理器:8051 芯體尺寸:8-位 速度:40/20MHz 連通性:UART/USART 外圍設(shè)備:POR，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（32K x 8） 程序存儲(chǔ)器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:0°C ~ 70°C 封裝/外殼:40-DIP（0.600"，15.24mm） 包裝:管件 |
| AT89C51ID2-RLTUM | 功能描述:8位微控制器 -MCU C51ID2 64K FLASH 32KHz 3-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| AT89C51ID2-SLRIM | 功能描述:IC MCU FLASH 8051 64K 5V 44-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:89C 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR) |
| AT89C51ID2-SLRUM | 功能描述:8位微控制器 -MCU C51ID2 64K FLASH TWI 32KHz 5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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