參數(shù)資料
型號(hào): ST16C2451
廠商: Exar Corporation
英文描述: 2.97V TO 5.5V DUART
中文描述: 2.97V至5.5V杜阿爾特
文件頁數(shù): 13/29頁
文件大小: 315K
代理商: ST16C2451
á
REV. 4.0.0
ST16C2450
2.97V TO 5.5V DUART
13
.
4.0
INTERNAL REGISTER DESCRIPTIONS
4.1
See “Receiver” on page 10.
4.2
Transmit Holding Register (THR) - Write-Only
See “Transmitter” on page 9.
4.3
Interrupt Enable Register (IER) - Read/Write
The Interrupt Enable Register (IER) masks the interrupts from receive data ready, transmit empty, line status
and modem status registers. These interrupts are reported in the Interrupt Status Register (ISR).
Receive Holding Register (RHR) - Read- Only
T
ABLE
5: INTERNAL REGISTERS DESCRIPTION
A
DDRESS
A2-A0
R
EG
N
AME
R
EAD
/
W
RITE
B
IT
-7
B
IT
-6
B
IT
-5
B
IT
-4
B
IT
-3
B
IT
-2
B
IT
-1
B
IT
-0
C
OMMENT
16C450 Compatible Registers
0 0 0
RHR
RD
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
LCR[7] = 0
0 0 0
THR
WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
0 0 1
IER
RD/WR
0
0
0
0
Modem
Stat.
Int.
Enable
RX Line
Stat.
Int.
Enable
TX
Empty
Int
Enable
RX
Data
Int.
Enable
0 1 0
ISR
RD
0
0
0
0
INT
Source
Bit-3
INT
Source
Bit-2
INT
Source
Bit-1
INT
Source
Bit-0
0 1 1
LCR
RD/WR
Divisor
Enable
Set TX
Break
Set Par-
ity
Even
Parity
Parity
Enable
Stop
Bits
Word
Length
Bit-1
Word
Length
Bit-0
1 0 0
MCR
RD/WR
0
0
0
Internal
Loop-
back
Enable
OP2#/
INT
Output
Enable
Rsrvd
(OP1#)
RTS#
Output
Control
DTR#
Output
Control
1 0 1
LSR
RD
0
THR &
TSR
Empty
THR
Empty
RX
Break
RX
Fram-
ing
Error
RX
Parity
Error
RX
Over-
run
Error
RX
Data
Ready
1 1 0
MSR
RD
CD#
Input
RI#
Input
DSR#
Input
CTS#
Input
Delta
CD#
Delta
RI#
Delta
DSR#
Delta
CTS#
1 1 1
SPR
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
Baud Rate Generator Divisor
0 0 0
DLL
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
LCR[7] = 1
0 0 1
DLM
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
相關(guān)PDF資料
PDF描述
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
ST16C2552IJ 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
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
ST16C2550CJ-0A-EB 功能描述:界面開發(fā)工具 Supports C2550 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
ST16C2550CJ44 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ44-F 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp 0C to 70C; 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