w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 86

• Manufacturer Part Number: w83977atf
• Description: Winbond I/o
• 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:
This register is read only. It stores advanced IR version ID. Reading it returns 1XH.
4.5.1 Reg0 - Advanced IR ID (AUID)
4.5 Set3 - Version ID and Mapped Control Registers
Default Value
Address Offset Register Name
Advanced IR
Advanced IR
Reset Value
Reset Value
Reg.
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
Bit 7
0
Bit 7
Bit 7
0
0
0
0
Reversed
Reserved
Reserved
Reserved
MP_UCR
MP_UFR
AUID
SSR
SSR6
Bit 6
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
Bit 5
RXFD5
TXFD5
0
Bit 5
Bit 5
0
0
SSR4
Bit 4
RXFD4
TXFD4
Bit 4
Bit 4
1
- 67 -
0
0
Register Description
SSR3
Bit 3
RXFD3
TXFD3
Bit 3
Bit 3
X
0
0
Publication Release Date:April 1998
-
-
-
-
SSR2
RXFD2
TXFD2
Bit 2
Bit 2
Bit 2
X
0
0
W83977ATF
PRELIMINARY
RXFD1
SRR1
TXFD1
Bit 1
Bit 1
Bit 1
X
0
0
Revision 0.52
RXFD1
TXFD1
SRR0
Bit 0
Bit 0
Bit 0
X
0
0