STM32F4xx_Clock_Configuration_时钟配置工具

OSC_IN OSC_OUT

Configuration Mode : PLL_P PLL_Q PLL_N PLL_M PLLI2S_R PLLI2S_N Data cache:

Instruction cache:

Prefetch Buffer:

Flash wait state: PLL I2S TIM2,3,4,5,6,7,12,13,14

PCLK2 TIM1,8,9,10,11 USB OTG FS, SDIO and RNG

I2SCLK(MHz) Enter HSE

frequency in MHz AHBx Prescaler SYSCLK System Clock Mux PLL Source Clock Modify the "HSE_VALUE" in stm32f4xx.h ?COPYRIGHT 2011 STMicroelectronics MCD Application Team

Generate View Run Reset

I2S Source 48 MHz max Frame wide MCKO F.Sampling(KHz) Error % !!! This program works only if "macros" are enabled in "EXCEL"

2003 version :To enable "macros": >>> TOOLS >> MACRO >> SECURITY >> we recommend to set it to "medium" (you will be asked for macros to be executed)

2007 version :To enable "macros": >>> Developer >> Macro Security >> MacroSettings>>Choose "Enable all macros

V DD Voltage (V): Main PLL USBCLK Error (%) Main regulator output voltage: APB1 Prescaler APB2 Prescaler PCLK1 Cortex Timer(Systick) Clock Source

HSI

RC HSE

OSC 8165418124

254115427546.7523621622192192.000054HCLK/8

2Enable I2S Clock:STM32F4xx Rev A System Clock Configuration

V1.0.116-bit OFF 320.26600

3.3

1

OFF ON ON Expert Scale1 mode

42 MHz max 84 MHz max

F WAit M P Q R N

0ON16-bit2242192

1OFF32-bit3453193

24664194

35875195

4686196

5797197

6810198

7911199

1012200

1113201

1214202

1315203

14204

15205

16206

17207

18208

19209

20210

21211

22212

23213

24214

25215

26216

27217

28218

29219

30220

31221

32222

33223

34224

36226 37227 38228 39229 40230 41231 42232 43233 44234 45235 46236 47237 48238 49239 50240 51241 52242 53243 54244 55245 56246 57247 58248 59249 60250 61251 62252 63253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324

328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374

378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425

428 429 430 431 432

16-bit ON192Scale1 mode 32-bit OFF96Scale2 mode

48

44.1

32

22.05

16

11.025

8