C8051F50x-F51x
25.1.3. Serial Clock (SCK) ................................................................................ 253
25.1.4. Slave Select (NSS) ............................................................................... 253
25.2. SPI0 Master Mode Operation........................................................................ 254
25.3. SPI0 Slave Mode Operation.......................................................................... 256
25.4. SPI0 Interrupt Sources .................................................................................. 256
25.5. Serial Clock Phase and Polarity .................................................................... 257
25.6. SPI Special Function Registers..................................................................... 258
26. Timers ................................................................................................................... 265
26.1. Timer 0 and Timer 1 ...................................................................................... 267
26.1.1. Mode 0: 13-bit Counter/Timer ............................................................... 267
26.1.2. Mode 1: 16-bit Counter/Timer ............................................................... 268
26.1.3. Mode 2: 8-bit Counter/Timer with Auto-Reload..................................... 268
26.1.4. Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................ 269
26.2. Timer 2 .......................................................................................................... 275
26.2.1. 16-bit Timer with Auto-Reload............................................................... 275
26.2.2. 8-bit Timers with Auto-Reload............................................................... 275
26.2.3. External Oscillator Capture Mode ......................................................... 276
26.3. Timer 3 .......................................................................................................... 281
26.3.1. 16-bit Timer with Auto-Reload............................................................... 281
26.3.2. 8-bit Timers with Auto-Reload............................................................... 281
26.3.3. External Oscillator Capture Mode ......................................................... 282
27. Programmable Counter Array............................................................................. 287
27.1. PCA Counter/Timer ....................................................................................... 288
27.2. PCA0 Interrupt Sources................................................................................. 289
27.3. Capture/Compare Modules ........................................................................... 289
27.3.1. Edge-triggered Capture Mode............................................................... 290
27.3.2. Software Timer (Compare) Mode.......................................................... 291
27.3.3. High-Speed Output Mode ..................................................................... 292
27.3.4. Frequency Output Mode ....................................................................... 293
27.3.5. 8-bit, 9-bit, 10-bit and 11-bit Pulse Width Modulator Modes ................. 294
27.3.5.1. 8-bit Pulse Width Modulator Mode................................................ 294
27.3.5.2. 9/10/11-bit Pulse Width Modulator Mode...................................... 295
27.3.6. 16-Bit Pulse Width Modulator Mode...................................................... 296
27.4. Watchdog Timer Mode .................................................................................. 297
27.4.1. Watchdog Timer Operation................................................................... 297
27.4.2. Watchdog Timer Usage ........................................................................ 298
27.5. Register Descriptions for PCA0..................................................................... 300
28. C2 Interface .......................................................................................................... 306
28.1. C2 Interface Registers................................................................................... 306
28.2. C2 Pin Sharing .............................................................................................. 309
29. Document Change List........................................................................................ 310
Contact Information................................................................................................... 312
Rev. 1.1
7
SILICON [ SILICON ]
