SCH3112I-NE SMSC [SMSC Corporation], SCH3112I-NE Datasheet - Page 103
SCH3112I-NE
Manufacturer Part Number
SCH3112I-NE
Description
LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.SCH3112I-NE.pdf
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LPC IO with 8042 KBC, Reset Generation, HWM and Multiple Serial Ports
Datasheet
SMSC SCH311X
DESIRED
BAUD RATE
50
75
110
134.5
150
300
600
1200
1800
2000
2400
3600
4800
7200
9600
19200
38400
57600
115200
230400
460800
921600
1500000
31250
(Note
8.1)
Note 8.1
Note 8.2
DIVISOR USED TO
GENERATE 16X
CLOCK
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
6
3
2
1
2
1
1
1
4
31250 Khz is the MIDI frequency. It is possible to program other baud rates when the MIDI
bit is set by changing the divisor register, but the device will not be midi compliant.
The percentage error for all baud rates, except where indicated otherwise, is 0.2%.
Table 8.4 Baud Rates
PERCENT
ERROR
DIFFERENCE
BETWEEN
DESIRED AND
ACTUAL
Note 8.2
0.001
-
-
0.004
-
-
-
-
-
0.005
-
-
-
-
-
-
0.030
0.16
0.16
0.16
0.16
0.16
0.16
0.16
DATASHEET
87
MIDI MODE
BIT[0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
HIGH
SPEED BIT
BIT[1]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
ENHANCED
FREQUENCY
SELECT
BIT[3:2]
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
01
1X
00
Rev 0.2 (09-28-04)
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