CONTENTS
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Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
16.1 T16P Module Overview .................................................................................................16-1
16.2 T16P Input/Output Pins .................................................................................................16-2
16.3 Setting T16P Operating Conditions ...............................................................................16-2
16.3.1 Count Clock ....................................................................................................16-2
16.3.2 PCM Data Configuration .................................................................................16-3
16.3.3 Operating Mode Selection ..............................................................................16-3
16.3.4 PWM Output Condition Settings .....................................................................16-4
16.4.1 Resetting T16P ...............................................................................................16-5
16.4.2 Run/Stop Control ............................................................................................16-5
16.4.3 Setting Compare Data ....................................................................................16-5
16.4.4 Volume Control ................................................................................................16-6
16.4.5 Counter Value .................................................................................................16-7
16.4.6 Timing Charts..................................................................................................16-7
16.5.1 Interrupts .........................................................................................................16-9
16.5.2 DMA Transfer .................................................................................................16-10
T16P Compare A Buffer Register (T16P_A) ........................................................................... 16-10
T16P Compare B Buffer Register (T16P_B) ........................................................................... 16-11
T16P Counter Data Register (T16P_CNT_DATA) ................................................................... 16-11
T16P Volume Control Register (T16P_VOL_CTL) .................................................................. 16-11
T16P Control Register (T16P_CTL) ........................................................................................ 16-12
T16P Running Control Register (T16P_RUN) ......................................................................... 16-14
T16P Internal Clock Control Register (T16P_CLK) ................................................................. 16-15
T16P Interrupt Control Register (T16P_INT) ........................................................................... 16-15
17.1 WDT Module Overview .................................................................................................17-1
17.2 WDT Input/Output Pins .................................................................................................17-1
17.3 WDT Operating Clock ..................................................................................................17-2
17.4 Control of the Watchdog Timer ......................................................................................17-2
17.4.1 Setting Up the Watchdog Timer ......................................................................17-2
17.4.2 Starting/Stopping the Watchdog Timer ..........................................................17-3
17.4.3 Resetting the Watchdog Timer .......................................................................17-3
17.4.4 Operation in Standby Mode ............................................................................17-3
17.4.5 Clock Output of the Watchdog Timer .............................................................17-3
17.4.6 External NMI Output .......................................................................................17-4
WDT Write Protect Register (WD_PROTECT) ......................................................................... 17-4
WDT Enable and Setup Register (WD_EN) ............................................................................. 17-5
WDT Comparison Data L/H Registers (WD_CMP_L, WD_CMP_H) ........................................ 17-6
WDT Count Data L/H Registers (WD_CNT_L, WD_CNT_H) ................................................... 17-6
WDT Control Register (WD_CTL) ............................................................................................ 17-6
18.1 USI Module Overview ..................................................................................................18-1
18.2 USI Pins ........................................................................................................................18-2
18.3 USI Clock Sources ........................................................................................................18-2
18.4 USI Module Settings ....................................................................................................18-4