Silicon Laboratories C8051F300 Manual page 5

13.4.Using the SMBus............................................................................................ 115
13.4.1.SMBus Configuration Register............................................................... 116
13.4.2.SMB0CN Control Register ..................................................................... 119
13.4.3.Data Register ......................................................................................... 122
13.5.SMBus Transfer Modes.................................................................................. 123
13.5.1.Master Transmitter Mode ....................................................................... 123
13.5.2.Master Receiver Mode ........................................................................... 124
13.5.3.Slave Receiver Mode ............................................................................. 125
13.5.4.Slave Transmitter Mode ......................................................................... 126
13.6.SMBus Status Decoding................................................................................. 127
14. UART0.................................................................................................................... 131
14.1.Enhanced Baud Rate Generation................................................................... 132
14.2.Operational Modes ......................................................................................... 133
14.2.1.8-Bit UART ............................................................................................. 133
14.2.2.9-Bit UART ............................................................................................. 134
14.3.Multiprocessor Communications .................................................................... 135
15. Timers.................................................................................................................... 143
15.1.Timer 0 and Timer 1 ....................................................................................... 143
15.1.1.Mode 0: 13-bit Counter/Timer ................................................................ 143
15.1.2.Mode 1: 16-bit Counter/Timer ................................................................ 145
15.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload...................................... 145
15.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................. 146
15.2.Timer 2 .......................................................................................................... 151
15.2.1.16-bit Timer with Auto-Reload................................................................ 151
15.2.2.8-bit Timers with Auto-Reload................................................................ 152
16. Programmable Counter Array ............................................................................. 155
16.1.PCA Counter/Timer ........................................................................................ 156
16.2.Capture/Compare Modules ............................................................................ 157
16.2.1.Edge-triggered Capture Mode................................................................ 158
16.2.2.Software Timer (Compare) Mode........................................................... 159
16.2.3.High Speed Output Mode....................................................................... 160
16.2.4.Frequency Output Mode ........................................................................ 161
16.2.5.8-Bit Pulse Width Modulator Mode......................................................... 162
16.2.6.16-Bit Pulse Width Modulator Mode....................................................... 163
16.3.Watchdog Timer Mode ................................................................................... 164
16.3.1.Watchdog Timer Operation .................................................................... 164
16.3.2.Watchdog Timer Usage ......................................................................... 165
16.4.Register Descriptions for PCA........................................................................ 167
17. C2 Interface ........................................................................................................... 173
17.1.C2 Interface Registers.................................................................................... 173
17.2.C2 Pin Sharing ............................................................................................... 175
Document Change List............................................................................................. 176
Contact Information.................................................................................................. 178
C8051F300/1/2/3/4/5
Rev. 2.9 5