w83977f Winbond Electronics Corp America, w83977f Datasheet - Page 76

• Manufacturer Part Number: w83977f
• Description: Plug & Play 1.0a Compliant
• Manufacturer: Winbond Electronics Corp America

4.4.5 Reg6 - Transmitter FIFO Depth (TXFDTH) (Read Only)
Bit 7~6:
Bit 5~0:
4.4.6 Reg7 - Receiver FIFO Depth (RXFDTH) (Read Only)
Bit 7~6:
Bit 5~0:
4.5 Set3 - Version ID and Mapped Control Registers
4.5.1 Reg0 - Advanced IR ID (AUID)
This register is read only. It stores advanced IR version ID. Reading it returns 1XH.
4.5.2 Reg1 - Mapped IR Control Register (MP_UCR)
This register is read only. Reading this register returns IR Control Register value of Set 0.
Default Value
Default Value
Advanced IR
Advanced IR
Address Offset Register Name
Reset Value
Reset Value
Reg.
Reg.
SSR
SSR
Mode
Mode
0
1
2
3
4
5
6
7
Reserved, Read 0.
Reading these bits returns the current transmitter FIFO depth, that is, the number of
bytes left in the transmitter FIFO.
Reserved, Read 0.
Reading these bits returns the current receiver FIFO depth, that is, the number of bytes
left in the receiver FIFO.
SSR7
SSR7
Bit 7
Bit 7
0
0
Bit 7
Bit 7
0
0
0
0
Reversed
Reserved
Reserved
Reserved
MP_UCR
MP_UFR
AUID
SSR
SSR6
SSR6
Bit 6
Bit 6
0
0
Bit 6
Bit 6
0
0
0
0
Advanced IR ID
Mapped IR Control Register
Mapped IR FIFO Control Register
Sets Select Register
SSR5
SSR5
Bit 5
Bit 5
RXFD5
TXFD5
0
0
Bit 5
Bit 5
0
0
- 64 -
SSR4
SSR4
Bit 4
Bit 4
RXFD4
TXFD4
Bit 4
Bit 4
1
0
0
0
Register Description
W83977F/ W83977AF
SSR3
SSR3
Bit 3
Bit 3
TXFD3
RXFD3
Bit 3
Bit 3
X
0
Publication Release Date: March 1998
0
0
-
-
-
-
SSR2
SSR2
RXFD2
TXFD2
Bit 2
Bit 2
Bit 2
Bit 2
X
0
0
0
PRELIMINARY
RXFD1
SRR1
SRR1
TXFD1
Bit 1
Bit 1
Bit 1
Bit 1
X
0
0
0
Revision 0.58
RXFD1
TXFD1
SRR0
SRR0
Bit 0
Bit 0
Bit 0
Bit 0
X
0
0
0