C8051F336 Datasheet, PDF (6/234 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family

C8051F336/7/8/9
22.2.1.8-Bit UART ............................................................................................. 168
22.2.2.9-Bit UART ............................................................................................. 169
22.3.Multiprocessor Communications .................................................................... 169
23. Enhanced Serial Peripheral Interface (SPI0)...................................................... 174
23.1.Signal Descriptions......................................................................................... 175
23.1.1.Master Out, Slave In (MOSI).................................................................. 175
23.1.2.Master In, Slave Out (MISO).................................................................. 175
23.1.3.Serial Clock (SCK) ................................................................................. 175
23.1.4.Slave Select (NSS) ................................................................................ 175
23.2.SPI0 Master Mode Operation ......................................................................... 176
23.3.SPI0 Slave Mode Operation ........................................................................... 178
23.4.SPI0 Interrupt Sources ................................................................................... 178
23.5.Serial Clock Phase and Polarity ..................................................................... 179
23.6.SPI Special Function Registers ...................................................................... 180
24. Timers.................................................................................................................... 187
24.1.Timer 0 and Timer 1 ....................................................................................... 189
24.1.1.Mode 0: 13-bit Counter/Timer ................................................................ 189
24.1.2.Mode 1: 16-bit Counter/Timer ................................................................ 190
24.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload...................................... 191
24.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................. 192
24.2.Timer 2 .......................................................................................................... 197
24.2.1.16-bit Timer with Auto-Reload................................................................ 197
24.2.2.8-bit Timers with Auto-Reload................................................................ 198
24.2.3.Low-Frequency Oscillator (LFO) Capture Mode .................................... 199
24.3.Timer 3 .......................................................................................................... 203
24.3.1.16-bit Timer with Auto-Reload................................................................ 203
24.3.2.8-bit Timers with Auto-Reload................................................................ 204
24.3.3.Low-Frequency Oscillator (LFO) Capture Mode .................................... 205
25. Programmable Counter Array ............................................................................. 209
25.1.PCA Counter/Timer ........................................................................................ 210
25.2.PCA0 Interrupt Sources.................................................................................. 211
25.3.Capture/Compare Modules ............................................................................ 212
25.3.1.Edge-triggered Capture Mode................................................................ 213
25.3.2.Software Timer (Compare) Mode........................................................... 214
25.3.3.High-Speed Output Mode ...................................................................... 215
25.3.4.Frequency Output Mode ........................................................................ 216
25.3.5. 8-bit, 9-bit, 10-bit and 11-bit Pulse Width Modulator Modes ................ 217
25.3.5.1. 8-bit Pulse Width Modulator Mode............................................... 217
25.3.5.2. 9/10/11-bit Pulse Width Modulator Mode..................................... 219
25.3.6. 16-Bit Pulse Width Modulator Mode..................................................... 220
25.4.Watchdog Timer Mode ................................................................................... 221
25.4.1.Watchdog Timer Operation .................................................................... 221
25.4.2.Watchdog Timer Usage ......................................................................... 222
25.5.Register Descriptions for PCA0...................................................................... 223
6
Rev. 0.2