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4.6Trip-ZoneSubmoduleControlandStatusRegisters
Trip-ZoneSubmoduleControlandStatusRegisters
Table4-16.PWM-ChopperControlRegister(PCCTL)BitDescriptions(continued)
BitsNameValueDescription
10-8CHPDUTYChoppingClockDutyCycle
000Duty=1/8(12.5%)
001Duty=2/8(25.0%)
010Duty=3/8(37.5%)
011Duty=4/8(50.0%)
100Duty=5/8(62.5%)
101Duty=6/8(75.0%)
110Duty=7/8(87.5%)
111Reserved
7:5CHPFREQChoppingClockFrequency
000Divideby1(noprescale,=12.5MHzat100MHzSYSCLKOUT)
001Divideby2(6.25MHzat100MHzSYSCLKOUT)
010Divideby3(4.16MHzat100MHzSYSCLKOUT)
011Divideby4(3.12MHzat100MHzSYSCLKOUT)
100Divideby5(2.50MHzat100MHzSYSCLKOUT)
101Divideby6(2.08MHzat100MHzSYSCLKOUT)
110Divideby7(1.78MHzat100MHzSYSCLKOUT)
111Divideby8(1.56MHzat100MHzSYSCLKOUT)
4:1OSHTWTHOne-ShotPulseWidth
00001xSYSCLKOUT/8wide(=80nSat100MHzSYSCLKOUT)
00012xSYSCLKOUT/8wide(=160nSat100MHzSYSCLKOUT)
00103xSYSCLKOUT/8wide(=240nSat100MHzSYSCLKOUT)
00114xSYSCLKOUT/8wide(=320nSat100MHzSYSCLKOUT)
01005xSYSCLKOUT/8wide(=400nSat100MHzSYSCLKOUT)
01016xSYSCLKOUT/8wide(=480nSat100MHzSYSCLKOUT)
01107xSYSCLKOUT/8wide(=560nSat100MHzSYSCLKOUT)
01118xSYSCLKOUT/8wide(=640nSat100MHzSYSCLKOUT)
10009xSYSCLKOUT/8wide(=720nSat100MHzSYSCLKOUT)
100110xSYSCLKOUT/8wide(=800nSat100MHzSYSCLKOUT)
101011xSYSCLKOUT/8wide(=880nSat100MHzSYSCLKOUT)
101112xSYSCLKOUT/8wide(=960nSat100MHzSYSCLKOUT)
110013xSYSCLKOUT/8wide(=1040nSat100MHzSYSCLKOUT)
110114xSYSCLKOUT/8wide(=1120nSat100MHzSYSCLKOUT)
111015xSYSCLKOUT/8wide(=1200nSat100MHzSYSCLKOUT)
111116xSYSCLKOUT/8wide(=1280nSat100MHzSYSCLKOUT)
0CHPENPWM-choppingEnable
0Disable(bypass)PWMchoppingfunction
1Enablechoppingfunction
Figure4-17andTable4-17providethetrip-zonecontrolandstatusregisterdefinitions.
106RegistersSPRU791D–November2004–RevisedOctober2007
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