W83977EG Datasheet, PDF (109/142 Pages) Winbond – WINBOND ISA I/O

W83977EF-AW/W83977EG-AW
these data length should be written to this register.
CRE6 (Default 0x00)
Bit 7 - 0: Reserved.
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.
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Publication Release Date: Apr. 2006
Revision 1.2