w83l950d Winbond Electronics Corp America, w83l950d Datasheet - Page 45

• Manufacturer Part Number: w83l950d
• Description: Peripheral Personal Computer Keyboard Controller
• Manufacturer: Winbond Electronics Corp America

10.2 Data Bus Buffer Register 0(DBB0)
10.3 Data Bus Buffer Status Register 0(DBBSTS0)
10.4 Data Bus Buffer Register 1(DBB1)
10.5 Data Bus Buffer Status Register 1(DBBSTS1)
SFR address
Default value
SFR address.
Default value.
Bit 7–4: User definable flag
Bit 3: A00 flag,
Bit 2: User definable flag
Bit 1: Input buffer full flag 0 (IBF0)
Bit 0: Output buffer full flag 0 (OBF0)
SFR address
Default value
SFR address.
Default value.
Bit 7–4: User definable flag
Bit 3: A01 flag
Bit 2: User definable flag
Bit 1: Input buffer full flag 1 (IBF1)
Bit 0: Output buffer full flag 1 (OBF1)
This flag indicates the condition of A00 status when the IBF0 flag is set.
This flag indicates the condition of A00 status when the IBF0 flag is set.
= 0: buffer empty
= 1: buffer full
= 0: buffer empty
= 1: buffer full
= 0: buffer empty
= 0: buffer empty
= 1: buffer full
= 1: buffer full
0xD8
0xxx
0xD9
0x00
0xDB
xxxxxxxxb
0xDC
0x00
- 36 -
W83L950D