Microchip Technology dsPIC30F - Page 316

dsPIC30F Family Reference Manual
DS70062C-page 15-6 © 2004 Microchip Technology Inc.
Register 15-2: PTMR: PWM Time Base Register
Register 15-3: PTPER: PWM Time Base Period Register
Upper Byte:
R-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PTDIR PTMR <14:8>
bit 15 bit 8
Lower Byte:
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PTMR <7:0>
bit 7 bit 0
bit 15 PTDIR: PWM Time Base Count Direction Status bit (Read Only)
1 = PWM time base is counting down
0 = PWM time base is counting up
bit 14-0 PTMR <14:0>: PWM Timebase Register Count Value
Legend:
R = Readable bit W = Writable bit U = Unimplemented, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
Upper Byte:
U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— PTPER <14:8>
bit 15 bit 8
Lower Byte:
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
PTPER <7:0>
bit 7 bit 0
bit 15 Unimplemented: Read as ‘0’
bit 14-0 PTPER<14:0>: PWM Time Base Period Value bits
Legend:
R = Readable bit W = Writable bit U = Unimplemented, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown