w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 67

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

Bit 7~6:
Bit 5~0:
4.3.4.6 Reg7 - Receiver FIFO Depth (RXFDTH) (Read Only)
Bit 7~6:
Bit 5~0:
4.3.5 Set3 - Version ID and Mapped Control Registers
4.3.5.1 Reg0 - Advanced UART ID (AUID)
This register is read only. Indicates advanced UART version ID. Read it and return 1X
4.3.5.2 Reg1 - Mapped UART Control Register (MP_UCR)
Read only. Reading this register that returns UART Control Register value of Set 0.
Advanced
Reset Value
Address
UART
Mode
Offset
0
1
2
3
4
5
6
7
Reserved, Read 0.
Reading these bits will return the current transmitter FIFO depth, that is, how many bytes
there are in the transmitter FIFO.
Reserved, Read 0.
Read these bits will return the current receiver FIFO depth, that is, how many bytes there
are in the receiver FIFO.
Register Name
Bit 7
Reversed
Reserved
Reserved
Reserved
0
0
MP_UCR
MP_UFR
AUID
SSR
Bit 6
0
0
Advanced UART ID
Mapped UART Control Register
Mapped UART FIFO Control Register
Sets Select Register
RXFD5
Bit 5
0
RXFD4
Bit 4
- 63 -
0
Register Description
RXFD3
Bit 3
0
-
-
-
-
Publication Release Date: April 1998
RXFD2
Bit 2
0
W83877ATF
RXFD1
Bit 1
0
16
.
Version 0.51
RXFD1
Bit 0
0