8 fifo control register (fcr04), Figure 4-8 configuration of fifo control registe – FUJITSU MB91460 SERIES FR60 User Manual
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634
Chapter 32 USART (LIN / FIFO)
4.USART Registers
4.8 FIFO Control Register (FCR04)
Figure 4-8 Configuration of FIFO control registe
7
6
5
4
3
2
1
0
Initial value
0 0 0 0 0 0 0 0
B
R/W R/W R/W R/W
R/W
R
R/W R/W
bit 0
SVD
select Fifo read valid date status for RX / TX
0
Select reading status from RX FIFO
1
Select reading status from TX FIFO
bit 1
ETX
control TX FIFO (on / off)
0
Disables TX FIFO
1
Enables TX FIFO
bit 2
ERX
control RX FIFO (on / off)
0
Disables RX FIFO
1
Enables RX FIFO
bit 3
not used / always read 0
bit 4
RXL0
RX Triggerlevel
0
RX Triggerlevel Bit 0
bit 5
RXL1
RX Triggerlevel
0
RX Triggerlevel Bit 1
bit 6
RXL2
RX Triggerlevel
0
RX Triggerlevel Bit 2
bit 7
RXL3
RX Triggerleve
0
RX Triggerlevel Bit 3
R/W
:
Readable and writable
R
:
Flag is read only, writing to it
has no effect
:
Initial value
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