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參數(shù)資料
| 型號： | ADUC841BS62-3 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| 中文描述： | 8-BIT, FLASH, 8.38 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | PLASTIC, MO-112AC1, MQFP-52 |
| 文件頁數(shù)： | 45/88頁 |
| 文件大小： | 903K |
| 代理商： | ADUC841BS62-3 |
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ADuC841/ADuC842/ADuC843
SERIAL PERIPHERAL INTERFACE (SPI)
The ADuC841/ADuC842/ADuC843 integrate a complete hard-
ware serial peripheral interface on-chip. SPI is an industry-
standard synchronous serial interface that allows 8 bits of data
to be synchronously transmitted and received simultaneously,
i.e., full duplex. Note that the SPI pins are shared with the I
2
C
pins. Therefore, the user can enable only one interface or the
other on these pins at any given time (see SPE in Table 18). SPI
can be operated at the same time as the I
2
C interface if the
MSPI bit in CFG841/CFG8842 is set. This moves the SPI
outputs (MISO, MOSI, and SCLOCK) to P3.3, P3.4, and P3.5,
respectively). The SPI port can be configured for master or slave
operation and typically consists of four pins, described in the
following sections.
MISO (Master In, Slave Out Data I/O Pin)
The MISO pin is configured as an input line in master mode
and as an output line in slave mode. The MISO line on the
master (data in) should be connected to the MISO line in the
slave device (data out). The data is transferred as byte-wide
(8-bit) serial data, MSB first.
MOSI (Master Out, Slave In Pin)
The MOSI pin is configured as an output line in master mode
and as an input line in slave mode. The MOSI line on the master
(data out) should be connected to the MOSI line in the slave
device (data in). The data is transferred as byte-wide (8-bit)
serial data, MSB first.
Rev. 0 | Page 45 of 88
SCLOCK (Serial Clock I/O Pin)
The master serial clock (SCLOCK) is used to synchronize the
data being transmitted and received through the MOSI and
MISO data lines. A single data bit is transmitted and received in
each SCLOCK period. Therefore, a byte is transmitted/received
after eight SCLOCK periods. The SCLOCK pin is configured as
an output in master mode and as an input in slave mode. In
master mode, the bit rate, polarity, and phase of the clock are
controlled by the CPOL, CPHA, SPR0, and SPR1 bits in the
SPICON SFR (see Table 18). In slave mode, the SPICON register
must be configured with the phase and polarity (CPHA and
CPOL) of the expected input clock. In both master and slave
modes, the data is transmitted on one edge of the SCLOCK
signal and sampled on the other. It is important, therefore, that
CPHA and CPOL are configured the same for the master and
slave devices.
SS (Slave Select Input Pin)
The SS pin is shared with the ADC5 input. To configure this pin
as a digital input, the bit must be cleared, e.g., CLR P1.5. This
line is active low. Data is received or transmitted in slave mode
only when the SS pin is low, allowing the parts to be used in
single-master, multislave SPI configurations. If CPHA = 1, the
SS input may be permanently pulled low. If CPHA = 0, the SS
input must be driven low before the first bit in a byte-wide
transmission or reception and return high again after the last bit
in that byte-wide transmission or reception. In SPI slave mode,
the logic level on the external SS pin can be read via the SPR0
bit in the SPICON SFR. The SFR registers, described in the
following tables, are used to control the SPI interface.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADUC841BS62-5 | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| ADUC842BS62-3 | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| ADUC842BS62-5 | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| ADUC843BS62-3 | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
| ADUC843BS62-5 | MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC841BS62-5 | 制造商:Analog Devices 功能描述:MCU 8-bit ADuC8xx 8052 CISC 62KB Flash 5V 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:IC MICROCONTROLLER |
| ADUC841BSZ62-3 | 功能描述:IC ADC/DAC 12BIT W/MCU 52-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| ADUC841BSZ62-5 | 功能描述:IC ADC/DAC 12BIT W/MCU 52-MQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| ADUC841BSZ62-5 | 制造商:Analog Devices 功能描述:8-Bit Microcontroller IC |
| ADUC842 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12- Bit ADCs and DACs with Embedded Hi-Speed 62KB FLASH MCU |
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