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ST7L19 Datasheet(PDF) 121 Page - STMicroelectronics

No. de pieza ST7L19
Descripción Electrónicos  8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
PDF  138 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7L19 Datasheet(HTML) 121 Page - STMicroelectronics

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ST7L15, ST7L19
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COMMUNICATION INTERFACE CHARACTERISTICS (cont’d)
Figure 97. SPI Slave Timing Diagram with CPHA = 11)
Figure 98. SPI Master Timing Diagram1)
Notes:
1. Measurement points are done at CMOS levels: 0.3 x VDD and 0.7 x VDD.
2. When no communication is on-going, the alternate function capability of the SPI’s data output line (MOSI in master
mode, MISO in slave mode) is released. In this case, the pin status depends on the I/O port configuration.
SS 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
note 2
tc(SCK)
HZ
tv(SO)
MSB IN
LSB IN
BIT1 IN
SS INPUT
CPHA = 0
MOSI OUTPUT
MISO INPUT
CPHA = 0
CPHA = 1
CPHA = 1
tc(SCK)
tw(SCKH)
tw(SCKL)
th(MI)
tsu(MI)
MSB IN
MSB OUT
BIT6 IN
BIT6 OUT
LSB OUT
LSB IN
Seenote2
Seenote2
CPOL = 0
CPOL = 1
CPOL = 0
CPOL = 1
tr(SCK)
tf(SCK)
th(MO)
tv(MO)



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