參數(shù)資料
型號： ST16C2450IQ48
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： 2.97V TO 5.5V DUART
中文描述： 2 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQFP48
封裝： 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁數(shù)： 9/29頁
文件大?。?/td> 315K
代理商： ST16C2450IQ48
á
REV. 4.0.0
ST16C2450
2.97V TO 5.5V DUART
9
2.8
The transmitter section comprises of an 8-bit Transmit Shift Register (TSR) and 1 byte FIFO or Transmit
Holding Register (THR). TSR shifts out every data bit with the 16X internal clock. A bit time is 16 clock periods.
The transmitter sends the start-bit followed by the number of data bits, inserts the proper parity-bit if enabled,
and adds the stop-bit(s). The status of the FIFO and TSR are reported in the Line Status Register (LSR bit-5
and bit-6).
2.8.1
Transmit Holding Register (THR) - Write Only
The host loads transmit data to THR one character at a time. The THR empty flag (LSR bit-5) is set when the
data byte is transferred to TSR. THR flag can generate a transmit empty interrupt (ISR bit-1) when it is enabled
by IER bit-1. The TSR flag (LSR bit-6) is set when TSR becomes completely empty.
Transmitter
T
ABLE
3: T
YPICAL
DATA
RATES
WITH
A
14.7456 MH
Z
CRYSTAL
OR
EXTERNAL
CLOCK
O
UTPUT
Data Rate
MCR Bit-7=0
D
IVISOR
FOR
16x
Clock (Decimal)
D
IVISOR
FOR
16x
Clock (HEX)
DLM P
ROGRAM
V
ALUE
(HEX)
DLL P
ROGRAM
V
ALUE
(HEX)
D
ATA
R
ATE
E
RROR
(%)
400
2304
900
09
00
0
2400
384
180
01
80
0
4800
192
C0
00
C0
0
9600
96
60
00
60
0
19.2k
48
30
00
30
0
38.4k
24
18
00
18
0
76.8k
12
0C
00
0C
0
153.6k
6
06
00
06
0
230.4k
4
04
00
04
0
460.8k
2
02
00
02
0
921.6k
1
01
00
01
0
F
IGURE
5. T
RANSMITTER
O
PERATION
Transmit
Holding
Register
(THR)
Transmit Shift Register (TSR)
Data
Byte
L
S
B
M
S
B
THR Interrupt (ISR bit-1)
Enabled by IER bit-1
TXNOFIFO1
16X Clock
相關(guān)PDF資料
PDF描述
ST16C2451 2.97V TO 5.5V DUART
ST16C2552CJ44 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST16C2552IJ44 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST162552 DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST16C2552CJ 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C2450IQ48-F 功能描述:UART 接口集成電路 DUAL UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
ST16C2450IQ48TR-F 制造商:Exar Corporation 功能描述:UART 2-CH 1Byte FIFO 3.3V/5V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:ST16C2450IQ48TR-F
ST16C2451 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART
ST16C2550 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550_04 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
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