C8051F040-GQR Ver la hoja de datos (PDF) - Unspecified
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C8051F040-GQR Datasheet PDF : 321 Pages
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C8051F040/1/2/3/4/5/6/7
21.3.Configuration of a Masked Address ............................................................... 271
21.4.Broadcast Addressing .................................................................................... 271
21.5.Frame and Transmission Error Detection....................................................... 272
22. UART1.................................................................................................................... 277
22.1.Enhanced Baud Rate Generation................................................................... 278
22.2.Operational Modes ......................................................................................... 279
22.2.1.8-Bit UART ............................................................................................. 279
22.2.2.9-Bit UART ............................................................................................. 280
22.3.Multiprocessor Communications .................................................................... 281
23. Timers.................................................................................................................... 289
23.1.Timer 0 and Timer 1 ....................................................................................... 289
23.1.1.Mode 0: 13-bit Counter/Timer ................................................................ 289
23.1.2.Mode 1: 16-bit Counter/Timer ................................................................ 290
23.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload...................................... 291
23.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................. 292
23.2.Timer 2, Timer 3, and Timer 4 ........................................................................ 297
23.2.1.Configuring Timer 2, 3, and 4 to Count Down........................................ 297
23.2.2.Capture Mode ........................................................................................ 298
23.2.3.Auto-Reload Mode ................................................................................. 299
23.2.4.Toggle Output Mode .............................................................................. 300
24. Programmable Counter Array ............................................................................. 305
24.1.PCA Counter/Timer ........................................................................................ 306
24.2.Capture/Compare Modules ............................................................................ 307
24.2.1.Edge-triggered Capture Mode................................................................ 308
24.2.2.Software Timer (Compare) Mode........................................................... 309
24.2.3.High-Speed Output Mode ...................................................................... 310
24.2.4.Frequency Output Mode ........................................................................ 311
24.2.5.8-Bit Pulse Width Modulator Mode......................................................... 312
24.2.6.16-Bit Pulse Width Modulator Mode....................................................... 313
24.3.Register Descriptions for PCA0...................................................................... 314
25. JTAG (IEEE 1149.1) .............................................................................................. 319
25.1.Boundary Scan ............................................................................................... 320
25.1.1.EXTEST Instruction................................................................................ 321
25.1.2.SAMPLE Instruction ............................................................................... 321
25.1.3.BYPASS Instruction ............................................................................... 321
25.1.4.IDCODE Instruction................................................................................ 321
25.2.Flash Programming Commands..................................................................... 323
25.3.Debug Support ............................................................................................... 326
Document Change List............................................................................................. 327
Contact Information.................................................................................................. 328
Rev. 1.6
7
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