Table 46. Usb Startup Time; Figure 23. Spi Timing Diagram - Master Mode - STMicroelectronics STM32L151CB Manual

Electrical characteristics

Figure 23. SPI timing diagram - master mode

NSS input
CPHA= 0
CPOL=0
CPHA= 0
CPOL=1
CPHA=1
CPOL=0
CPHA=1
CPOL=1
MISO
INP UT
MOSI
OUTPUT
1. Measurement points are done at CMOS levels: 0.3V
USB characteristics
The USB interface is USB-IF certified (full speed).
Table 46.
Symbol
t
STARTUP
1. Guaranteed by design, not tested in production.
82/109
High
t w(SCKH)
t su(MI)
t w(SCKL)
MS BIN
M SB OUT
USB startup time
(1)
USB transceiver startup time
(1)
t c(SCK)
BI T6 IN
t h(MI)
B I T1 OUT
t v(MO) t h(MO)
and 0.7V
DD
Parameter
Doc ID 17659 Rev 6
STM32L151xx, STM32L152xx
t r(SCK)
t f(SCK)
LSB IN
LSB OUT
.
DD
Max
1
ai14136
Unit
µs