CD00161566 Datasheet, PDF (74/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

Electrical characteristics
High
NSS input
CPHA= 0
CPOL=0
CPHA= 0
CPOL=1
STM32F103x8, STM32F103xB
Figure 35. SPI timing diagram - master mode⁽¹⁾
tc(_SCK)
CPHA=1
CPOL=0
CPHA=1
CPOL=1
MISO
INP UT
t_su(MI)
MOSI
OUTU T
tw(_SCKH)
tw(_SCKL)
MS BIN
th(MI)
M SB OUT
tv(MO)
BI T6 IN
B I T1 OUT
th(MO)
1. Measurement points are done at CMOS levels: 0.3V_DD and 0.7V_DD.
USB characteristics
The USB interface is USB-IF certified (Full Speed).
Table 43. USB startup time
Symbol
Parameter
t_STARTUP(1)
USB transceiver startup time
1. Guaranteed by design, not tested in production.
tr(_SCK)
tf(_SCK)
LSB IN
LSB OUT
ai14136
Max
Unit
1
µs
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DocID13587 Rev 16