W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 75

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

Bit 3, 2:
Bit 1, 0:
TABLE: SIR Baud Rate
** The percentage error for all baud rates, except where indicated otherwise, is 0.16%.
1.8461M Hz
Pre-Div: 13
115200
19200
38400
57600
134.5
1200
1800
2000
2400
3600
4800
7200
9600
110
150
300
600
50
75
RX_FSZ1~0 - Receiver FIFO Size 1~0
These bits setup receiver FIFO size when FIFO is enable.
TX_FSZ1~0 - Transmitter FIFO Size 1~0
These bits setup transmitter FIFO size when FIFO is enable.
Pre-Div:1.625
14.769M Hz
RX_FSZ1~0
TX_FSZ1~0
153600
307200
460800
921600
14400
16000
19200
28800
38400
57600
76800
1076
1200
2400
4800
9600
400
600
880
1X
1X
00
01
00
01
BAUD RATE FROM DIFFERENT PRE-DIVIDER
1497600
Pre-Div:
24M Hz
124800
249600
499200
748800
1478.5
15600
23400
26000
31200
46800
62400
93600
1430
1950
3900
7800
650
975
1.0
- 63 -
to generate 16X clock
Decimal divisor used
RX FIFO Size
TX FIFO Size
Reserved
Reserved
16-Byte
32-Byte
16-Byte
32-Byte
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
W83977F/ W83977AF
6
3
2
1
Publication Release Date: March 1998
Error Percentage between
desired and actual
PRELIMINARY
0.099%
0.18%
0.53%
Revision 0.58
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