参数资料
型号: ST72121J2T3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, TQFP-44
文件页数: 59/87页
文件大小: 1365K
代理商: ST72121J2T3/XXX
62/87
ST72121
SERIAL PERIPHERAL INTERFACE (Cont’d)
Figure 37. Data Clock Timing Diagram
CPOL = 1
CPOL = 0
MSBit
Bit 6
Bit 5
Bit 4
Bit3
Bit 2
Bit 1
LSBit
MSBit
Bit 6
Bit 5
Bit 4
Bit3
Bit 2
Bit 1
LSBit
MISO
(from master)
MOSI
(from slave)
SS
(to slave)
CAPTURE STROBE
CPHA =1
CPOL = 1
CPOL = 0
MSBit
Bit 6
Bit 5
Bit 4
Bit3
Bit 2
Bit 1
LSBit
MSBit
Bit 6
Bit 5
Bit 4
Bit3
Bit 2
Bit 1
LSBit
MISO
(from master)
MOSI
SS
(to slave)
CAPTURE STROBE
CPHA =0
Note: This figure should not be used as a replacement for parametric information.
Refer to the Electrical Characteristics chapter.
(from slave)
VR02131D
62
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