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| 型号： | MC68HC705CL16 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 1.802 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | TQFP-100 |
| 文件页数： | 118/145页 |
| 文件大小： | 673K |
| 代理商： | MC68HC705CL16 |
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GENERAL RELEASE SPECIFICATION
June 11, 1997
MOTOROLA
SERIAL PERIPHERAL INTERFACE
MC68HC05CL48
9-2
REV 2.0
9.1.2 MOSI Serial Data In (Input)
9.1.2.1
Slave Mode
MOSI is the signal used to receive data from some Master device. Figure 9-1
shows the serial clock and data timing relationship.
It should be noted that when a Master device transmits data to a second device
via the MOSI line, the slave device (if it has the capability) will respond by sending
data into the MISO pin of the master device. This implies full duplex transmission
with both data-out and data-in synchronized to the same clock signal which is
provided by the master. Moreover, the SAME shift register is used for data out and
data in. Thus, the byte transmitted is replaced by the byte received, removing the
need for separate status bits for XMIT EMPTY and REC FULL. A single status bit,
SPIF, is used to signify IO operation complete.
9.1.2.2
Master Mode
As noted above, the function of MOSI and MISO are inverted in the master mode.
The MOSI pin becomes the data output pin when the device is in the master
mode. When a transfer of data is not taking place with a Slave device the Master
drives the MOSI line high. The Master always allows the data onto the MOSI pin a
half-cycle before the clock edge (SCK) needed for the Slave to latch the data
internally.
9.1.3 SCK Serial Clock (In/Out)
9.1.3.1
Slave Mode
The serial clock is used to move data both in and out of the device through its
MOSI and MISO pins. The Master and Slave device are capable of exchanging a
byte of information during a sequence of eight clock pulses if wired to do so. In the
slave mode, the SCK pin becomes an input for the external clock being sent from
the Master device. In this case SCK is asynchronous to the Slave device’s phase
1-2 clocks and read/write control, therefore synchronization must take place prior
to transmission and after reception. This must be done on the byte level. The type
of clock and its’ relationship with the data is controlled by bits CPOL and CPHA.
Reference Figure 9-1. The clock rate control bits SPR1 and SPR0 have no
function while the part is in the Slave mode.
9.1.3.2
Master Mode
In this mode, the clock is generated within the Master device by a circuit driven
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相关代理商/技术参数 |
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| MC68HC705J1ACDW | 功能描述:IC MCU 4MHZ 1.2K OTP 20-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
| MC68HC705J1ACP | 功能描述:IC MCU 4MHZ 1.2K OTP 20-DIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
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