參數(shù)資料
型號(hào): SC16C2552
廠商: NXP Semiconductors N.V.
英文描述: Dual UART with 16-byte transmit and receive FIFOs
中文描述: 雙UART具有16字節(jié)的傳輸和接收FIFO
文件頁(yè)數(shù): 9/38頁(yè)
文件大?。?/td> 579K
代理商: SC16C2552
Philips Semiconductors
SC16C2552
Dual UART with 16-byte transmit and receive FIFOs
Product data
Rev. 03 — 20 June 2003
9 of 38
9397 750 11636
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
design. The rate table is configured via the DLL and DLM internal register functions.
Customized Baud Rates can be achieved by selecting the proper divisor values for
the MSB and LSB sections of baud rate generator.
Programming the Baud Rate Generator Registers DLM (MSB) and DLL (LSB)
provides a user capability for selecting the desired final baud rate. The example in
Table 5
shows the selectable baud rate table available when using a 1.8432 MHz
external clock input.
Fig 3.
Crystal oscillator connection.
Table 5:
Output
baud rate
Baud rate generator programming table using a 1.8432 MHz clock
Output
16
×
clock divisor
(decimal)
(HEX)
2304
900
1536
600
768
300
384
180
192
C0
96
60
48
30
24
18
16
10
12
0C
6
06
3
03
2
02
1
01
User
16
×
clock divisor
DLM
program value
(HEX)
09
06
03
01
00
00
00
00
00
00
00
00
00
00
DLL
program value
(HEX)
00
00
00
80
C0
60
30
18
10
0C
06
03
02
01
50
75
150
300
600
1200
2400
4800
7200
9600
19.2 k
38.4 k
57.6 k
115.2 k
002aaa169
X1
1.8432 MHz
C1
22 pF
C2
47 pF
X
X
X1
1.8432 MHz
C1
47 pF
C2
100 pF
X
X
1.5 k
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