W83977F Datasheet, PDF (145/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

W83977F/ W83977AF
CR74 (Default 0x04)
PRELIMINARY
Bit 7-3 : Reserved.
Bit 2-0 : These bits select DRQ resource for RX of UART C.
= 0x00 DMA0
= 0x01 DMA1
= 0x02 DMA2
= 0x03 DMA3
= 0x04-0x07 No DMA active
CR75 (Default 0x04)
Bit 7-3 : Reserved.
Bit 2-0 : These bits select DRQ resource for TX of UART C.
= 0x00 DMA0
= 0x01 DMA1
= 0x02 DMA2
= 0x03 DMA3
= 0x04-0x07 No DMA active
CRF0 (Default 0x00)
Bit 7-4 : Reserved.
Bit 3 : RXW4C
= 0 No reception delay when SIR is changed from TX mode to RX mode.
= 1 Reception delays 4 characters-time(40 bit-time) when SIR is changed from TX mode
to RX mode.
Bit 2 : TXW4C
= 0 No transmission delay when SIR is changed from RX mode to TX mode.
= 1 Transmission delays 4 characters-time(40 bit-time) when SIR is changed from RX
mode
to TX mode.
Bit 1 : APEDCRC
= 0 No append hardware CRC value as data in FIR/MIR mode.
= 1 Append hardware CRC value as data in FIR/MIR mode.
Bit 0 : ENBNKSEL; Bank select enable
= 0 Disable IR Bank selection.
= 1 Enable IR Bank selection.
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Publication Release Date: March 1998
Revision 0.58