SB16C1054_Data Sheet_EN

SB16C1054
QUAD UART WITH 256-BYTE FIFO
FEBRUARY 2009 REV 1.0
5
21
Table 5: Baud Rates
Desired Baud Rate 16X Digit Divisor for Prescaler with Divide by 1
1.8432MHz 3.6864MHz 7.3728MHz 14.7456MHz
50 0900h 1200h 2400h 4800h
75 0600h 0C00h 1800h 3000h
150 0300h 0600h 0C00h 1800h
300 0180h 0300h 0600h 0C00h
600 00C0h 0180h 0300h 0600h
1200 0060h 00C0h 0180h 0300h
1800 0040h 0080h 0100h 0200h
2000 003Ah 0074h 00E8h 01D0h
2400 0030h 0060h 00C0h 0180h
3600 0020h 0040h 0080h 0100h
4800 0018h 0030h 0060h 00C0h
7200 0010h 0020h 0040h 0080h
9600 000Ch 0018h 0030h 0060h
19.2K 0006h 000Ch 0018h 0030h
38.4K 0003h 0006h 000Ch 0018h
57.6K 0002h 0004h 0008h 0010h
115.2K 0001h 0002h 0004h 0008h
230.4K ― 0001h 0002h 0004h
460.8K ― ― 0001h 0002h
921.6K ― ― ― 0001h
Figure 8: Crystal Clock Circuit Diagram
Table 6: Component Values
Frequency Range (MHz) C1 (pF) C2 (pF) R1 (Ω
ΩΩ
Ω) R2(Ω
ΩΩ
Ω)
1.8~8 22 68 220K 470 ~ 1.5K
8~16 33~68 33 ~ 68 220K ~ 2.2M 470 ~ 1.5K
Output
SB16C1054
Clock
XTAL1
Clock
C2
Optional
XTAL2
SB16C1054
R2
CRYSTAL
C1
R1
External
XTAL1
XTAL2