Rev. 3.00, 03/04, page xv of xl
Section 9 8-Bit PWM Timer (PWM).................................................................251
9.1
Features.............................................................................................................................251
9.2
Input/Output Pins..............................................................................................................252
9.3
Register Descriptions........................................................................................................252
9.3.1
PWM Register Select (PWSL).............................................................................253
9.3.2
PWM Data Registers 15 to 0 (PWDR15 to PWDR0)..........................................255
9.3.3
PWM Data Polarity Registers A and B (PWDPRA and PWDPRB)....................255
9.3.4
PWM Output Enable Registers A and B (PWOERA and PWOERB).................256
9.3.5
Peripheral Clock Select Register (PCSR)............................................................257
9.4
Operation ..........................................................................................................................258
9.4.1
PWM Setting Example ........................................................................................260
9.4.2
Diagram of PWM Used as D/A Converter ..........................................................260
Section 10 14-Bit PWM Timer (PWMX)..........................................................261
10.1
Features.............................................................................................................................261
10.2
Input/Output Pins..............................................................................................................262
10.3
Register Descriptions........................................................................................................262
10.3.1
PWMX (D/A) Counter (DACNT).......................................................................263
10.3.2
PWMX (D/A) Data Registers A and B (DADRA and DADRB).........................264
10.3.3
PWMX (D/A) Control Register (DACR) ............................................................266
10.3.4
Peripheral Clock Select Register (PCSR)............................................................267
10.4
Bus Master Interface.........................................................................................................268
10.5
Operation ..........................................................................................................................269
Section 11 16-Bit Free-Running Timer (FRT)..................................................277
11.1
Features.............................................................................................................................277
11.2
Input/Output Pins..............................................................................................................279
11.3
Register Descriptions........................................................................................................279
11.3.1
Free-Running Counter (FRC)..............................................................................280
11.3.2
Output Compare Registers A and B (OCRA and OCRB) ...................................280
11.3.3
Input Capture Registers A to D (ICRA to ICRD)................................................280
11.3.4
Output Compare Registers AR and AF (OCRAR and OCRAF) .........................281
11.3.5
Output Compare Register DM (OCRDM)...........................................................281
11.3.6
Timer Interrupt Enable Register (TIER)..............................................................282
11.3.7
Timer Control/Status Register (TCSR)................................................................283
11.3.8
Timer Control Register (TCR).............................................................................286
11.3.9
Timer Output Compare Control Register (TOCR) ..............................................287
11.4
Operation ..........................................................................................................................289
11.4.1
Pulse Output.........................................................................................................289
11.5
Operation Timing..............................................................................................................290
11.5.1
FRC Increment Timing........................................................................................290
11.5.2
Output Compare Output Timing..........................................................................291
11.5.3
FRC Clear Timing ...............................................................................................291