STM32F302VB 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F302VB

ARM Cortex-M4F 32b MCU+FPU, up to 256KB Flash+48KB SRAM 4 ADCs, 2 DAC ch., 7 comp, 4 PGA, timers, 2.0-3.6 V operation

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Electrical characteristics

Figure 28. SPI timing diagram - master mode(1)

(IGH

.33INPUT

#0(! 

#0/,

#0(! 

#0/,

TC3#+

STM32F302xx/STM32F303xx

#0(!

#0/,

#0(!

#0/,

-)3/

).0 54

TSU-)

-/3)

/5405 4

TW3#+(

TW3#+,

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- 3"/54

TV-/

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TR3#+

TF3#+

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AI6

1. Measurement points are done at 0.5VDD and with external CL = 30 pF.

Table 62. I2S characteristics

Symbol

Parameter

Conditions

Min

Max Unit

fCK

1/tc(CK)(1)

tr(CK)

tf(CK)(1)

tw(CKH) (1)

tw(CKL) (1)

tv(WS) (1)

th(WS) (1)

tsu(WS) (1)

th(WS) (1)

Duty Cycle(1)

I2S clock frequency

I2S clock rise and fall

time

I2S clock high time

I2S clock low time

WS valid time

WS hold time

WS setup time

WS hold time

I2S slave input clock

duty cycle

Master data: 16 bits,

audio freq=48 kHz

Slave

Capacitive load

CL = 30 pF

Master fPCLK= 36 MHz,

audio frequency =

48 kHz

Master mode

Master mode

Slave mode

Slave mode

Slave mode

1.496

0

-

331

332

4

4

4

0

30

1.503

12.288

MHz

8

-

-

ns

-

-

-

-

70

%

100/133

Doc ID 023353 Rev 5

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