参数资料
型号: ST72652C4T1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, ROHS COMPLIANT, TQFP-48
文件页数: 51/161页
文件大小: 2656K
代理商: ST72652C4T1/XXX
ST72651AR6
144/161
Doc ID 7215 Rev 4
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
Figure 89. SPI Slave Timing Diagram with CPHA=11)
Figure 90. SPI Master Timing Diagram 1)
Notes:
1. Measurement points are done at CMOS levels: 0.3xVDD and 0.7xVDD.
2. When no communication is on-going the data output line of the SPI (MOSI in master mode, MISO in slave mode) has
its alternate function capability released. In this case, the pin status depends of the I/O port configuration.
SS INPUT
SCK
INPUT
CPHA=1
MOSI INPUT
MISO OUTPUT
CPHA=1
tw(SCKH)
tw(SCKL)
tr(SCK)
tf(SCK)
ta(SO)
tsu(SI)
th(SI)
MSB OUT
BIT6 OUT
LSB OUT
see
CPOL=0
CPOL=1
tsu(SS)
th(SS)
tdis(SO)
th(SO)
see
note 2
tc(SCK)
HZ
tv(SO)
MSB IN
LSB IN
BIT1 IN
SS INPUT
SCK
IN
P
U
T
CPHA=0
MOSI OUTPUT
MISO INPUT
CPHA=0
CPHA=1
tc(SCK)
tw(SCKH)
tw(SCKL)
th(MI)
tsu(MI)
tv(MO)
th(MO)
MSB IN
MSB OUT
BIT6 IN
BIT6 OUT
LSB OUT
LSB IN
seenote2
CPOL=0
CPOL=1
CPOL=0
CPOL=1
tr(SCK)
tf(SCK)
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