參數(shù)資料
型號： MC68HC705F8FU
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 1.8 MHz, MICROCONTROLLER, PQFP64
封裝： QFP-64
文件頁數(shù)： 90/126頁
文件大?。?/td> 736K
代理商： MC68HC705F8FU
MOTOROLA
7-2
MC68HC05F8
SERIAL PERIPHERAL INTERFACE
7
7.2.1
Serial Clock (SCK)
The state of SCK between transmissions must be logic “1”. The rst falling edge of SCK signals
the beginning of a transmission. At this time the MSB bit of received data is accepted at the
SDI pin and the MSB bit of transmitted data is presented at the SDO pin. Data is captured at the
SDI pin on the rising edge of SCK. Subsequent falling edges shift the data, and accept the next
received data bit at SDI pin, and present the next transmitted data bit at SDO pin. The transmission
is ended upon the receipt of the LSB bit.
In Master Mode, the format is identical except that the SCK pin is an output and the shift clock now
originates internally. The Master Mode transmission frequency is xed at E/4.
Care should be taken when enabling the SPI; additional clock edges may be present when the
port is switched from standard I/O to SPI.
Figure 7-1 SPI Master-Slave Interconnection
Figure 7-2 SPI Port Timing
8-BIT SHIFT REGISTER
SPI
MASTER
SLAVE
SDO
SDI
SCK
8-BIT SHIFT REGISTER
CLOCK GENERATOR
(447.5KHz)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
112ns 112ns
SCK
SDO
SDI
TPG
64
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相關代理商/技術參數(shù)
參數(shù)描述
MC68HC705G1B 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HC705J1A 制造商:Freescale Semiconductor 功能描述:
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MC68HC705J1ACP 功能描述:IC MCU 4MHZ 1.2K OTP 20-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標準包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND
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