参数资料
型号: ST52F510G3B6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP28
封装: PLASTIC, DIP-28
文件页数: 104/106页
文件大小: 1340K
代理商: ST52F510G3B6
Figure 15.2 Serial Peripheral Interface Block Diagram
Procedure
– Select the SPR0, SPR1 and SPR2 bits to define
the serial clock baud rate (see SPI_CR register).
– Select the CPOL and CPHA bits to define one of
the four relationships between the data transfer
and the serial clock (see Figure 15.4).
–The SS pin must be connected to a high level
signal during the complete byte transmit se-
quence.
– The MSTR and SPE bits must be set (they re-
main set only if the SS pin is connected to a high
level signal).
In this configuration the MOSI pin is a data output
and to the MISO pin is a data input.
Transmit sequence
Transmit sequence begins when a byte is written in
the SPI_OUT register.
The data byte is loaded in parallel into the 8-bit shift
register (from the internal bus) during a write cycle
and then shifted out serially to the MOSI pin most
significant bit first.
When data transfer is complete:
– The SPIF bit is set by hardware
– An interrupt is generated if the SPIE bit is set.
During the last clock cycle the SPIF bit is set, a
copy of the data byte received in the shift register
is moved to a buffer. When the SPI_IN register is
read, the SPI peripheral returns this buffered
value. Clearing the SPIF bit is performed by the
following software sequence:
1. An access to the SPI_STATUS_CR register
while the SPIF bit is set
2. A read to the SPI_IN register.
Note: While the SPIF bit is set, all writes to the
SPI_OUT
register
are
inhibited
until
the
SPI_STATUS_CR register is read.
SPI_IN
Read Buffer
8-Bit Shift Register
Write
Read
Internal Bus
SPI
SPIE
SPE
MSTR
CPHA
SPR0
SPR1
CPOL
SPIF WCOL
MODF
SERIAL
CLOCK
GENERATOR
MOSI
MISO
SS
SCK
CONTROL
STATE
SPI_CR
SPI_STATUS_CR
-
IT
request
MASTER
CONTROL
SPR2
OR
SSI
SSM
SOD
SPI_OUT
相关PDF资料
PDF描述
ST52F514G3B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP28
ST52F513G3B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP28
ST52F513Y1B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP16
ST52F513Y2B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP16
ST52F510Y3B6 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP16
相关代理商/技术参数
参数描述
ST52F510GMB6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
ST52F510GMM6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
ST52F510YMM6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
ST52F513 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
ST52F513FMB6 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI