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SB16C1054PCI_Data Sheet_EN

ManualsBrandsSystemBase ManualsElectronic ComponentsPCI to Quad UART with 256 Byte FIFO Bridge Controller - 60pcs Bundle
31323334353637383940
SB16C1054PCI
PCI Target Interface Controller
with Quad-UART
JULY 2013 REV 1.04
40
these characters are all treated as data and stored in RX FIFO.
If characters are arrived continuously like Xon1, Xon2 or Xoff1, Xoff2, descriptions are as
follows.
■
■
■
■
■
■
■
■
If Xon1, Xon2 characters and Xoff1, Xoff2 characters are same with each other, all
characters are treated as normal XON and XOFF characters.
If Xon1, Xoff1 characters and Xon2, Xoff2 characters are same with each other,
these are treated as normal XON characters.
If Xon1, Xon2, Xoff1 characters are same and Xoff2 is different, these are treated as
normal XON, XOFF characters.
If Xon1, Xon2, Xoff2 characters are same and Xoff1 is different, these are treated as
normal XON, XOFF characters.
If Xon2, Xoff1, Xoff2 characters are same and Xon1 is different, these are treated as
normal XON, XOFF characters.
If Xon1, Xoff1, Xoff2 characters are same and Xon2 is different, these are treated as
normal XON, XOFF characters.
If Xon2, Xoff1 characters are same and Xon1, Xoff2 are different, these are treated
as normal XON, XOFF characters.
If Xon1, Xon2, Xoff1, Xoff2 are all same, these are treated only as normal XON
characters.
In all these cases no XON/XOFF characters are treated as data.
Refer to Table 12–2 below.
Table 12–2: Xon/Xoff Character Recognition Logic Table
Xon1 Char.
Xon2 Char.
Xoff1 Char.
Xoff2 Char.
Recognition of
Xon Char.
Recognition of
Xoff Char.
11h
11h
13h
13h
Yes
Yes
11h
13h
11h
13h
Yes
No
11h
11h
11h
13h
Yes
Yes
11h
11h
13h
11h
Yes
Yes
11h
13h
13h
13h
Yes
Yes
11h
13h
11h
11h
Yes
Yes
11h
13h
13h
14h
Yes
Yes
11h
11h
11h
11h
Yes
No
When XON/XOFF software flow control function and Xon Any function is enabled,
descriptions are as follows.
If Xon, Xoff characters are used as one character,
■
■
■
If Xoff character arrives during XON status, status changes to XOFF.
If Xon character arrives during XOFF status, status changes to XON.
If Xoff character arrives during XOFF status, status changes to XON but Xoff
character is not treated as data.