STM32F051K4U6 STMicroelectronics, STM32F051K4U6 Datasheet - Page 90

• Manufacturer Part Number: STM32F051K4U6
• Description: ARM Microcontrollers - MCU Entry-Level ARM M0 16kB 2.0V to 3.6V
• Manufacturer: STMicroelectronics

Specifications of STM32F051K4U6

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M0
• Processor Series: STM32F051xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 8 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: UFQFN-48
• Mounting Style: SMD/SMT

STM32F051x
Figure 29. I2S slave timing diagram (Philips protocol)
1. Measurement points are done at CMOS levels: 0.3 × V
2. LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first
Figure 30. I2S master timing diagram (Philips protocol)
1. Data based on characterization results, not tested in production.
2. LSB transmit/receive of the previously transmitted byte. No LSB transmit/receive is sent before the first
byte.
byte.
SD transmit
SD receive
SD transmit
SD receive
WS output
CPOL = 0
CPOL = 1
WS input
CPOL = 0
CPOL = 1
t v(WS)
t su(WS)
t w(CKH)
t w(CKH)
LSB receive
Doc ID 022265 Rev 3
LSB transmit
LSB transmit
LSB receive
t su(SD_MR)
t su(SD_SR)
t c(CK)
(2)
t c(CK)
(2)
(2)
(2)
MSB receive
MSB transmit
MSB receive
DD
MSB transmit
and 0.7 × V
t w(CKL)
t w(CKL)
t f(CK)
DD
t h(SD_MR)
.
t v(SD_MT)
Bitn receive
t v(SD_ST)
t h(SD_SR)
Bitn transmit
Bitn transmit
Bitn receive
Electrical characteristics
t r(CK)
LSB receive
t h(WS)
t h(WS)
t h(SD_ST)
LSB transmit
t h(SD_MT)
LSB transmit
LSB receive
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