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| 型號(hào)： | AT89C5131A-PUTUM |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 9/188頁(yè) |
| 文件大小： | 0K |
| 描述： | IC 8051 MCU FLASH 32K USB 32QFN |
| 產(chǎn)品培訓(xùn)模塊： | MCU Product Line Introduction |
| 標(biāo)準(zhǔn)包裝： | 1,300 |
| 系列： | AT89C513x |
| 核心處理器： | C52X2 |
| 芯體尺寸： | 8-位 |
| 速度： | 48MHz |
| 連通性： | I²C，SPI，UART/USART，USB |
| 外圍設(shè)備： | LED，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 18 |
| 程序存儲(chǔ)器容量： | 32KB（32K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| EEPROM 大小： | 4K x 8 |
| RAM 容量： | 1.25K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 32-VQFN 裸露焊盤 |
| 包裝： | 托盤 |
| 配用： | AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU AT89STK-10-ND - KIT EVAL APPL MASS STORAGE AT89STK-05-ND - KIT STARTER FOR AT89C5131 |
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4337K–USB–04/08
AT89C5130A/31A-M
address and the data direction bit (SLA+R). The serial interrupt flag SI must then be cleared
before the serial transfer can continue.
When the slave address and the direction bit have been transmitted and an acknowledgement
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 sta-
tus 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 mas-
ter transmitter mode by loading SSDAT with SLA+W.
20.1.3
Slave Receiver Mode
In the slave receiver mode, a number of data bytes are received from a master transmitter
(Figure 20-6). 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 acknowledge-
ment. 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 status code can be read from SSCS. This sta-
tus 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.
Table 20-2.
SSADR: Slave Receiver Mode Initialization
A6
A5
A4
A3
A2
A1
A0
GC
own slave address
Table 20-3.
SSCON: Slave Receiver Mode Initialization
CR2
SSIE
STA
STO
SI
AA
CR1
CR0
bit rate
1
0
1
bit rate
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| AT89C5131A-RDTIL | 功能描述:IC 8051 MCU FLASH 32K USB 64VQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:AT89C513x 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 |
| AT89C5131A-RDTIM | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with Full Speed USB Device |
| AT89C5131A-RDTUL | 功能描述:8位微控制器 -MCU 32K Flash 3V USB 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 |
| AT89C5131A-RDTUM | 功能描述:8位微控制器 -MCU C5130A 32K Flash 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 |
| AT89C5131A-RDTUM | 制造商:Atmel Corporation 功能描述:IC 8BIT MCU C51/C251 48MHZ 64-VQFP |
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