W83877F View Datasheet(PDF) - Winbond

Part Name

Description

MFG CO.

W83877F

WINBOND I/O

Winbond 

W83877F

8.2.33 Configuration Register 28 (CR28)

When the device is in Extended Function mode and EFIR is 28, the CR28 register can be accessed

through EFDR. Default = 43H if CR6 bit 2 = 1; default = 00H if CR16 bit 2 = 0. The bit definitions are

as follows:

765

43

21

0

URBIQS0

URBIQS1

URBIQS2

URBIQS3

URAIQS0

URAIQS1

URAIQS2

URAIQS3

URAIQS3-URAIQS0 (bit 7-bit 4): Allocate interrupt resource for UART A.

URBIQS3-URBIQS0 (bit 3-bit 0): Allocate interrupt resource for UART B.

8.2.34 Configuration Register 29 (CR29)

When the device is in Extended Function mode and EFIR is 29, the CR29 register can be accessed

through EFDR. Default = 62H if CR6 bit 2 = 1; default = 00H if CR16 bit 2 = 0. The bit definitions are

as follows:

765

43

21

0

IQNIQS0

IQNIQS1

IQNIQS2

IQNIQS3

FDCIQS0

FDCIQS1

FDCIQS2

FDCIQS3

FDCIQS3-FDCIQS0 (bit 7-bit 4): Allocate interrupt resource for FDC.

IQNIQS3-IQNIQS0 (bit 3-bit 0): Allocate interrupt resource for IRQIN.

- 101 -

Publication Release Date: January 1996

Revision A2

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