w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 156
w83977atf
Manufacturer Part Number
w83977atf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATF.pdf
(207 pages)
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CRE6 (Default 0x00)
CRE7 (Default 0x00)
CRF0 (Default 0x00)
Bit 5-0: CIR Baud Rate Dividor. The clock base of CIR is 32KHz, so that the baud rate is 32KHZ
Bit 7: CHIPPME.
Bit 6: IRPME.
Bit 5 - 4: Reserved. Return zero when read.
Bit 3: PRTPME.
Bit 2: FDCPME.
Bit 1: URAPME.
Bit 0: URBPME.
Bit 7-6: Reserved.
Bit 7-3: Reserved.
Bit 2: Reset CIR Power-On function. After used CIR power-on, the software should be write
Bit 1: Invert RX Data, When set 1, invert received data.
Bit 0: Enable Demodulation. When set 1, enable received signal to demodulation. When set 0,
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
= 0
= 1
divided by (CIR Baud Rate Divisor+1).
logical 1 to restart CIR power-on function.
disable
disable the ACPI/Legacy and the auto power management functions
enable the ACPI/Legacy and the auto power management functions.
disable the auto power management function.
enable the auto power management function provided CRF0.bit7
disable the auto power management functions.
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
disable the auto power management functions.
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
disable the auto power management functions.
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
disable the auto power management functions.
enable the auto power management functions provided
CRF0.bit7 (CHIPPME) is also set to 1.
(CHIPPME) is also set to 1.
IR
Printer port
FDC
UART A
UART B
power management enable.
Chip
power management enable.
level power management enable.
power management enable.
power management enable.
power management enable.
- 156 -
Publication Release Date:April 1998
W83977ATF
PRELIMINARY
Revision 0.52
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