w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 129

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

CRE5 (Default 0x00)
CRE6 (Default 0x00)
CRE7 (Default 0x00)
CRF0 (Default 0x00)
Bit 1 - 0: Reserved.
Bit 7: CHIPPME. Chip level auto power management enable.
Bit 5 - 4: Reserved. Return zero when read.
Bit 3: PRTPME. Printer port auto power management enable.
Bit 7: Reserved.
Bit 6 - 0: Compared Code Length. When the compared codes are stored in the data register,
these data lengths should be written to this register.
Bit 7 - 6: Reserved.
Bit 5 - 0: CIR Baud Rate Divisor. The clock base of CIR is 32khz, so that the baud rate is 32khz
divided by ( CIR Baud Rate Divisor + 1).
Bit 7 - 3: Reserved.
Bit 2: Reset CIR Power-On function. After using CIR power-on, the software should write logical
1 to restart CIR power-on function.
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.
Bit 6: URCPME. UART C auto power management enable.
0 = Disable.
1 = Enable.
Bit 2: Enable all wake-up event set in CRE0 can wake-up the system from S1/S2 state.
This bit is cleared when wake-up event occurs.
= 0
= 1
= 0
= 1
= 0
= 1
disable the auto power management functions
enable the auto power management functions.
disable the auto power management functions.
enable the auto power management functions.
disable the auto power management functions.
enable the auto power management functions.
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Publication Release Date: March 1999
W83977EF/ CTF
PRELIMINARY
Revision A1