- 您现在的位置：买卖IC网 > PDF目录98146 > ST7FL09Y0MATRE (STMICROELECTRONICS) 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 PDF资料下载
参数资料
| 型号： | ST7FL09Y0MATRE |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| 封装： | 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-16 |
| 文件页数： | 56/104页 |
| 文件大小： | 2151K |
| 代理商： | ST7FL09Y0MATRE |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页当前第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页
Obsolete
Product(s)
- Obsolete
Product(s)
ST7L05, ST7L09
55/104
SERIAL PERIPHERAL INTERFACE (Cont’d)
11.3.3.2 Slave Select Management
As an alternative to using the SS pin to control the
Slave Select signal, the application can choose to
manage the Slave Select signal by software. This
is configured by the SSM bit in the SPICSR regis-
ter (see Figure 34)
In software management, the external SS pin is
free for other application uses and the internal SS
signal level is driven by writing to the SSI bit in the
SPICSR register.
In Master mode:
–SS internal must be held high continuously
In Slave mode:
Two cases depend on the data/clock timing rela-
tionship (see Figure 33):
If CPHA = 1 (data latched on 2nd clock edge):
–SS internal must be held low during the entire
transmission. This implies that in single slave
applications the SS pin either can be tied to
VSS, or made free for standard I/O by manag-
ing the SS function by software (SSM = 1 and
SSI = 0 in the in the SPICSR register)
If CPHA = 0 (data latched on 1st clock edge):
–SS internal must be held low during byte
transmission and pulled high between each
byte to allow the slave to write to the shift reg-
ister. If SS is not pulled high, a Write Collision
error will occur when the slave writes to the
shift register (see Section 11.3.5.3).
Figure 33. Generic SS Timing Diagram
Figure 34. Hardware/Software Slave Select Management
MOSI/MISO
Master SS
Slave SS
(if CPHA = 0)
Slave SS
(if CPHA = 1)
Byte 1
Byte 2
Byte 3
1
0
SS internal
SSM bit
SSI bit
SS external pin
1
相关PDF资料 |
PDF描述 |
|---|---|
| ST7FL09Y0MBE | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FL05Y0MAE | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FL05Y0MBTRE | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FL05Y0MATRE | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PDSO16 |
| ST7FLCD1G9M1 | 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST7FL09Y0MB | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash memory, data EEPROM, ADC, timers, SPI |
| ST7FL09Y0MBE | 制造商:STMicroelectronics 功能描述: |
| ST7FL15F1MAE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| ST7FL15F1MARE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
| ST7FL15F1MATRE | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI |
发布紧急采购，3分钟左右您将得到回复。