STM32L151VB STMicroelectronics, STM32L151VB Datasheet - Page 81

• Manufacturer Part Number: STM32L151VB
• Description: Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, LCD, USB
• Manufacturer: STMicroelectronics

Specifications of STM32L151VB

• Operating Power Supply Range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)
• Temperature Range: –40 to 85 °C
• 4 Modes: Sleep, Low-power run (9 μA at 32 kHz), Low-power sleep (4.4 μA),Stop with RTC (1.45 μA), Stop (570 nA), Standby (300 nA)
• Ultralow Leakage Per I/o: 50 nA
• Fast Wakeup From Stop: 8 μs
• Core: ARM 32-bit Cortex™-M3 CPU
• Dma: 7-channel DMA controller, supporting timers, ADC, SPIs, I2Cs and USARTs

STM32L151xx, STM32L152xx
Figure 21. SPI timing diagram - slave mode and CPHA = 0
Figure 22. SPI timing diagram - slave mode and CPHA = 1
1. Measurement points are done at CMOS levels: 0.3V
OUT P UT
OUT P UT
NSS input
NSS input
CPHA= 0
CPOL=0
CPHA= 0
CPOL=1
CPHA=1
CPOL=0
CPHA=1
CPOL=1
I NPUT
I NPUT
MISO
MISO
MOSI
MOSI
t a(SO)
t SU(NSS)
t a(SO)
t su(SI)
t w(SCKH)
t w(SCKL)
t w(SCKH)
t w(SCKL)
t su(SI)
t SU(NSS)
MS B O UT
t v(SO)
M SB IN
M SB IN
t h(SI)
MS B O UT
t c(SCK)
t v(SO)
t h(SI)
Doc ID 17659 Rev 6
DD
t c(SCK)
and 0.7V
BI T6 OUT
B I T1 IN
t h(SO)
DD
.
B I T1 IN
BI T6 OUT
(1)
t h(SO)
LSB IN
t r(SCK)
t f(SCK)
LSB OUT
t r(SCK)
t f(SCK)
t h(NSS)
LSB IN
Electrical characteristics
t h(NSS)
LSB OUT
t dis(SO)
t dis(SO)
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