REV. 4.0.1 12 . 4.0 INTERNAL REGISTER DESCRIPTIONS 4.1 Receive Holding Register (RHR) - Read- Only See “Receiv" />
參數(shù)資料
型號: ST16C2450CJ-0A-EB
廠商: Exar Corporation
文件頁數(shù): 4/30頁
文件大小: 0K
描述: EVAL BOARD FOR ST16C2450 44PLCC
標(biāo)準(zhǔn)包裝: 1
系列: *
ST16C2450
xr
2.97V TO 5.5V DUART
REV. 4.0.1
12
.
4.0 INTERNAL REGISTER DESCRIPTIONS
4.1
Receive Holding Register (RHR) - Read- Only
4.2
Transmit Holding Register (THR) - Write-Only
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).
TABLE 5: INTERNAL REGISTERS DESCRIPTION
ADDRESS
A2-A0
REG
NAME
READ/
WRITE
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
COMMENT
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
Modem
Stat.
Int.
Enable
RX Line
Stat.
Int.
Enable
TX
Empty
Int
Enable
RX
Data
Int.
Enable
0 1 0
ISR
RD
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
Enable
Stop
Bits
Word
Length
Bit-1
Word
Length
Bit-0
1 0 0
MCR
RD/WR
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
2-6278298-0 CA,SM,MTRJ-ST
1SMA5915BT3 DIODE ZENER 3.9V 1.5W SMA
GCM25DRMN CONN EDGECARD 50POS .156 WW
ECM08DRSN-S664 CONN EDGECARD 16POS DIP .156 SLD
6278027-2 C/A ST/MT-RJ, MM 2M1
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C2450CJ44 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C2450CJ44-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
ST16C2450CJ44TR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
ST16C2450CJ44TR-F 制造商:Exar Corporation 功能描述:UART 2-CH 1Byte FIFO 3.3V/5V 44-Pin PLCC T/R 制造商:Exar Corporation 功能描述:ST16C2450CJ44TR-F
ST16C2450CP40 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
<var id="cqcs9"><delect id="cqcs9"><small id="cqcs9"></small></delect></var>