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13-5
13
MSM66591/ML66592 User's Manual
Chapter 13 PWM Functions
[3]
PWM Registers (PWR0–PWR11)
PWR0–PWR11 are 16-bit registers that store the duty values to output. If PWC0–
PWC11 underflow, the contents of the 16-bit PWM buffer register are loaded to PWR0–
PWR11.
PWR0–PWR11 can be read, but cannot be written, by the program. However, if the
corresponding PWnRUN bit is "0" (stop status), and PW0BF–PW11BF are written to,
the contents of 16 bits are written to PWR0–PWR11 as well.
At reset (when the
RES
signal is input, the BRK instruction is executed, the watchdog
timer is overflown, or an operation code trap is generated), PWR0–PWR11 become
0000H.
[4]
PWM Buffer Registers (PW0BF–PW11BF)
PW0BF–PW11BF are 16-bit registers. If PWC0–PWC11 underflow, the contents of the
PWM buffer register are loaded to the PWM register. PW0BF–PW11BF can be written,
but cannot be read, by the program. If the corresponding PWnRUN bit is "0" (stop
status), and PW0BF–PW11BF are written to, the contents of 16-bits are written to
PWR0–PWR11 as well.
At reset (when the
RES
signal is input, the BRK instruction is executed, the watchdog
timer is overflown, or an operation code trap is generated), PW0BF–PW11BF become
0000H.
[5]
Comparison Circuit
The comparison circuit constantly compares the content of PWC0–PWC11 and that of
PWR0–PWR11 when the corresponding PWnRUN bit is "1". It generates an interrupt
request (PWM0 and PWM1, PWM2 and PWM3, PWM4 and PWM5, PWM6 and PWM7,
PWM8 and PWM9, PWM10 and PWM11 are common) and resets the output F/F if
contents of PWC0–PWC11 and PWR0–PWR11 match.
[6]
Output F/F
The output F/F is set to "1" when the corresponding PWnRUN bit is set to "1", and
when PWC0–PWC11 underflow. The output F/F is set to "0" when the contents of
PWC0–PWC11 and PWR0–PWR11 match.
[7]
PWM Control Registers (PWCON0–PWCON5)
PWCON0–PWCON5 are 8-bit registers that specify the count clock of PWC0–PWC11,
and specify the output logic for PWM0–PWM11. PWCON0 specifies for PWM0 and
PWM1, PWCON1 specifies for PWM2 and PWM3, PWCON2 specifies for PWM4 and
PWM5, PWCON3 for specifies for PWM6 and PWM7, PWCON4 specifies for PWM8
and PWM9, and PWCON5 specifies for PWM10 and PWM11.
Figure 13-2 shows the configuration of PWCON0; Figure 13-3 shows the configuration
of PWCON1; Figure 13-4 shows the configuration of PWCON2; Figure 13-5 shows the
configuration of PWCON3; Figure 13-6 shows the configuration of PWCON4; Figure
13-7 shows the configuration of PWCON5.
At reset (when the
RES
signal is input, the BRK instruction is executed, the watchdog
timer is overflown, or an operation code trap is generated), PWCON0–PWCON5
become 00H, and PWC0–PWC11 select the master clock as the count clock and
PWM0–PWM11 select high active.
Содержание MSM66591
Страница 1: ...MSM66591 ML66592 User s Manual CMOS 16 bit microcontroller FEUL66591 66592 01 Issue Date Mar 4 2002...
Страница 15: ...Contents 12...
Страница 17: ......
Страница 18: ...Overview Chapter 1 1...
Страница 19: ......
Страница 30: ...Description of Pins Chapter 2 2...
Страница 31: ......
Страница 44: ...CPU Architecture Chapter 3 3...
Страница 45: ......
Страница 101: ...3 56 MSM66591 ML66592User sManual Chapter 3 CPU Architecture...
Страница 102: ...CPU Control Functions Chapter 4 4...
Страница 103: ......
Страница 111: ...4 8 MSM66591 ML66592User sManual Chapter 4 CPU Control Functions...
Страница 112: ...Memory Control Functions Chapter 5 5...
Страница 113: ......
Страница 117: ...5 4 MSM66591 ML66592User sManual Chapter 5 Memory Control Functions...
Страница 118: ...Port Functions Chapter 6 6...
Страница 119: ......
Страница 152: ...Output Pin Control Pin OE Chapter 7 7...
Страница 153: ......
Страница 155: ...7 2 MSM66591 ML66592User sManual Chapter 7 Output Pin Control Pin OE...
Страница 156: ...Clock Generation Circuit Chapter 8 8...
Страница 157: ......
Страница 160: ...Time Base Counter TBC Chapter 9 9...
Страница 161: ......
Страница 164: ...Watchdog Timer WDT Chapter 10 10...
Страница 165: ......
Страница 170: ...Flexible Timer FTM Chapter 11 11 11...
Страница 171: ......
Страница 213: ...11 42 MSM66591 ML66592User sManual Chapter 11 Flexible Timer FTM...
Страница 214: ...General Purpose 8 Bit Timer Function Chapter 12 12...
Страница 215: ......
Страница 223: ...12 8 MSM66591 ML66592User sManual Chapter 12 General Purpose 8 Bit Timer Function...
Страница 224: ...PWM Functions Chapter 13 13...
Страница 225: ......
Страница 244: ...Baud Rate Generator Functions Chapter 14 14...
Страница 245: ......
Страница 263: ...14 18 MSM66591 ML66592User sManual Chapter 14 Baud Rate Generator Functions...
Страница 264: ...Serial Port Functions Chapter 15 15...
Страница 265: ......
Страница 348: ...A D Converter Functions Chapter 16 16...
Страница 349: ......
Страница 381: ...16 32 MSM66591 ML66592User sManual Chapter 16 A D Converter Functions...
Страница 382: ...Transition Detector Functions Chapter 17 17...
Страница 383: ......
Страница 387: ...17 4 MSM66591 ML66592User sManual Chapter 17 Transition Detector Functions...
Страница 388: ...Peripheral Functions Chapter 18 18...
Страница 389: ......
Страница 392: ...External Interrupt Request Function Chapter 19 19...
Страница 393: ......
Страница 396: ...Interrupt Request Processing Function Chapter 20 20...
Страница 397: ......
Страница 407: ...20 10 MSM66591 ML66592User sManual Chapter 20 Interrupt Request Processing Function...
Страница 408: ...Bus Port Functions Chapter 21 21...
Страница 409: ......
Страница 413: ...21 4 MSM66591 ML66592User sManual Chapter 21 Bus Port Functions...
Страница 414: ...Expansion Port Chapter 22 22...
Страница 415: ......
Страница 420: ...Serial Port with FIFO SCI5 Chapter 23 23...
Страница 421: ......
Страница 431: ...23 10 MSM66591 ML66592User sManual Chapter 23 Serial Port with FIFO SCI5...
Страница 432: ...RAM Monitor Function Chapter 24 24...
Страница 433: ......
Страница 441: ...24 8 MSM66591 ML66592User sManual Chapter 24 RAM Monitor Function...
Страница 442: ...25 Electrical Characteristics Chapter 25...
Страница 443: ......
Страница 458: ...Package Dimensions Chapter 26 26...
Страница 459: ......
Страница 461: ...26 2 MSM66591 ML66592User sManual Chapter 26 Package Dimensions...
Страница 462: ...Revision History Chapter 27 27...
Страница 463: ......
Страница 465: ...27 2 MSM66591 ML66592User sManual Chapter 27 Revision History...