Silicon Laboratories C8051F120 Manual page 7

21.5.Serial Clock Timing ......................................................................................................254
21.6. SPI Special Function Registers .....................................................................................256
22. UART0 ..................................................................................................................................263
22.1.UART0 Operational Modes ..........................................................................................264
22.1.1. Mode 0: Synchronous Mode................................................................................264
22.1.2. Mode 1: 8-Bit UART, Variable Baud Rate .........................................................265
22.1.3. Mode 2: 9-Bit UART, Fixed Baud Rate ..............................................................266
22.1.4. Mode 3: 9-Bit UART, Variable Baud Rate .........................................................267
22.2.Multiprocessor Communications...................................................................................268
22.2.1. Configuration of a Masked Address ....................................................................268
22.2.2. Broadcast Addressing ..........................................................................................268
22.3. Frame and Transmission Error Detection......................................................................269
23. UART1 ..................................................................................................................................275
23.1. Enhanced Baud Rate Generation...................................................................................276
23.2.Operational Modes ........................................................................................................277
23.2.1. 8-Bit UART .........................................................................................................277
23.2.2. 9-Bit UART .........................................................................................................278
23.3.Multiprocessor Communications...................................................................................279
24. TIMERS................................................................................................................................285
24.1. Timer 0 and Timer 1......................................................................................................285
24.1.1. Mode 0: 13-bit Counter/Timer.............................................................................285
24.1.2. Mode 1: 16-bit Counter/Timer.............................................................................286
24.1.3. Mode 2: 8-bit Counter/Timer with Auto-Reload .................................................287
24.1.4. Mode 3: Two 8-bit Counter/Timers (Timer 0 Only) ...........................................288
24.2. Timer 2, Timer 3, and Timer 4 ......................................................................................293
24.2.1. Configuring Timer 2, 3, and 4 to Count Down....................................................293
24.2.2. Capture Mode ......................................................................................................294
24.2.3. Auto-Reload Mode ..............................................................................................295
24.2.4. Toggle Output Mode (Timer 2 and Timer 4 Only)..............................................295
25. PROGRAMMABLE COUNTER ARRAY .......................................................................301
25.1.PCA Counter/Timer.......................................................................................................302
25.2.Capture/Compare Modules............................................................................................303
25.2.1. Edge-triggered Capture Mode .............................................................................304
25.2.2. Software Timer (Compare) Mode........................................................................305
25.2.3. High Speed Output Mode ....................................................................................306
25.2.4. Frequency Output Mode ......................................................................................307
25.2.5. 8-Bit Pulse Width Modulator Mode ....................................................................308
25.2.6. 16-Bit Pulse Width Modulator Mode ..................................................................309
25.3. Register Descriptions for PCA0 ....................................................................................310
26. JTAG (IEEE 1149.1)............................................................................................................315
26.1.Boundary Scan...............................................................................................................316
26.1.1. EXTEST Instruction ............................................................................................317
26.1.2. SAMPLE Instruction ...........................................................................................317
26.1.3. BYPASS Instruction ............................................................................................317
26.1.4. IDCODE Instruction ............................................................................................317
C8051F120/1/2/3/4/5/6/7
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