w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 66

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

Bit 5, 4:
Bit 3, 2:
Bit 2, 0:
4.3.4.5 Reg6 - Transmitter FIFO Depth (TXFDTH) (Read Only)
Advanced
Reset Value
UART
Mode
PR_DIV1~0 - Pre-Divisor 1~0.
These bits select pre-divisor for external input clock 24M Hz. The clock through the pre-
divisor then inputs to baud rate divisor of UART.
RX_FSZ1~0 - Receiver FIFO Size 1~0
These bits setup receiver FIFO size when FIFO is enabled.
TX_FSZ1~0 - Transmitter FIFO Size 1~0
These bits setup transmitter FIFO size when FIFO is enabled.
Bit 7
0
0
PR_DIV1~0
RX_FSZ1~0
TX_FSZ1~0
00
01
10
11
1X
1X
00
01
00
01
Bit 6
0
0
TXFD5
Bit 5
0
Pre-divisor
1.625
13.0
TXFD4
6.5
Bit 4
1
- 62 -
0
RX FIFO Size
TX FIFO Size
Reserved
Reserved
16-Byte
32-Byte
16-Byte
32-Byte
TXFD3
Bit 3
0
Max. Baud Rate
Publication Release Date: April 1998
115.2K bps
921.6K bps
230.4K bps
1.5M bps
TXFD2
Bit 2
0
W83877ATF
TXFD1
Bit 1
0
Version 0.51
TXFD1
Bit 0
0