W83977EF Datasheet, PDF (118/150 Pages) Winbond – WINBOND I/O

CRE7 (Default 0x00)
Bit 7 - 3: Reserved.
Bit 2: Reserved
Bit 1: Invert RX Data.
= 1 Inverting RX Data.
= 0 Not inverting RX Data.
Bit 0: Enable Demodulation.
= 1 Enable received signal to demodulate.
= 0 Disable received signal to demodulate.
CRF0 (Default 0x00)
Bit 7: CHIPPME. Chip level auto power management enable.
= 0 disable the auto power management functions
= 1 enable the auto power management functions.
Bit 6: URCPME. UART C auto power management enable.
= 0 disable the auto power management functions.
= 1 enable the auto power management functions.
Bit 5 - 4: Reserved. Return zero when read.
Bit 3: PRTPME. Printer port auto power management enable.
= 0 disable the auto power management functions.
= 1 enable the auto power management functions.
Bit 2: FDCPME. FDC auto power management enable.
= 0 disable the auto power management functions.
= 1 enable the auto power management functions.
Bit 1: URAPME. UART A auto power management enable.
= 0 disable the auto power management functions.
= 1 enable the auto power management functions.
Bit 0: URBPME. UART B auto power management enable.
= 0 disable the auto power management functions.
= 1 enable the auto power management functions.
W83977EF
-112 -
Publication Release Date: April 2003
Revision 1.1