IRCC SMSC Corporation, IRCC Datasheet - Page 49

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IRCC

Manufacturer Part Number
IRCC
Description
INFRARED COMMUNICATIONS CONTROLLER
Manufacturer
SMSC Corporation
Datasheet
and XMITTER status via the LSR. LSR definitions
for the FIFO Polled Mode are as follows:
-
-
*NOTE: The percentage error for all baud rates, except where indicated otherwise, is 0.2%.
BAUD RATE
Bit 0=1 as long as there is one byte in the
Bits 1 to 4 specify which error(s) have
RCVR FIFO.
occurred. Character error status is handled
the
interruptmode, the IIR is not affected since EIR
bit 2=0.
DESIRED
115200
230400
460800
19200
38400
57600
134.5
1200
1800
2000
2400
3600
4800
7200
9600
110
150
300
600
50
75
same
way
GENERATE 16X CLOCK
Table 29 - Baud Rates Using 1.8462 MHz Clock (24 MHz/13)
DIVISOR USED TO
as
32770
32769
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
6
3
2
1
when
in
the
BETWEEN DESIRED AND ACTUAL*
49
PERCENT ERROR DIFFERENCE
-
-
There is no trigger level reached or timeout
condition indicated in the FIFO Polled Mode,
however, the RCVR and XMIT FIFOs are still fully
capable of holding characters.
Bit 6 indicates that both the XMIT FIFO and
Bit 7 indicates whether there are any errors in
shift register are empty.
the RCVR FIFO.
0.001
0.004
0.005
0.030
0.16
0.16
0.16
0.16
-
-
-
-
-
-
-
-
-
-
-
-
-
BIT 7 OR 6
CRC:
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1

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