XR16C850CJ EXAR [Exar Corporation], XR16C850CJ Datasheet - Page 21

• Manufacturer Part Number: XR16C850CJ
• Manufacturer: EXAR [Exar Corporation]

Table 4. BAUD RATE GENERATOR PROGRAMMING TABLE (7.3728 MHz CLOCK)
XTAL1
XTAL2
Baud Rate
BIT-7=1
Output
115.2k
19.2k
38.4k
57.6k
MCR
1200
2400
4800
7200
9600
150
300
600
50
75
Rev. 1.20
Baud Rate
Oscillator
Bit-7=0
Output
153.6k
230.4k
460.8k
19.2K
28.8K
38.4k
76.8k
MCR
1200
2400
4800
9600
Clock
200
300
600
Logic
16 x Clock
(Decimal)
Figure 11. Baud Rate Generator Circuitry
Divisor
2304
1536
User
768
384
192
96
48
24
16
12
6
3
2
1
1 logic
Divide
Divide
4 logic
16 x Clock
by
by
Divisor
(HEX)
User
300
900
600
180
C0
0C
60
30
18
10
06
03
02
01
21
Program
MCR
Bit-7=0
MCR
Bit-7=1
Value
(HEX)
DLM
09
06
03
01
00
00
00
00
00
00
00
00
00
00
Program
Generator
Baudrate
Value
(HEX)
DLL
C0
0C
Logic
00
01
00
00
80
60
30
18
10
06
03
02
XR16C850
-BAUDOUT