參數(shù)資料
型號(hào)： ST16C2550CQ48
廠商： EXAR CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
中文描述： 2 CHANNEL(S), 4M bps, SERIAL COMM CONTROLLER, PQFP48
封裝： 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁(yè)數(shù)： 21/34頁(yè)
文件大?。?/td> 443K
代理商： ST16C2550CQ48
ST16C2550
21
Rev. 3.20
Interrupt will be generated.
MSR BIT-1:
Logic 0 = No -DSR Change. (normal default condition)
Logic 1 = The -DSR input to the 2550 has changed
state since the last time it was read. A modem Status
Interrupt will be generated.
MSR BIT-2:
Logic 0 = No -RI Change. (normal default condition)
Logic 1 = The -RI input to the 2550 has changed from
a logic 0 to a logic 1. A modem Status Interrupt will be
generated.
MSR BIT-3:
Logic 0 = No -CD Change. (normal default condition)
Logic 1 = Indicates that the -CD input to the has
changed state since the last time it was read. A
modem Status Interrupt will be generated.
MSR BIT-4:
During normal operation, this bit is the compliment of
the -CTS input. During the loop-back mode this bit is
equivalent to MCR bit-1 (-RTS).
MSR BIT-5:
During normal operation, this bit is the compliment of
the -DSR input. During the loop-back mode, this bit is
equivalent to MCR bit-0 (-DTR).
MSR BIT-6:
During normal operation, this bit is the compliment of
the -RI input. Reading this bit in the loop-back mode
produces the state of MCR bit-2 (-OP1)
MSR BIT-7:
During normal operation, this bit is the compliment of
the -CD input. Reading this bit in the loop-back mode
produces the state of MCR bit-3 (-OP2).
Note: Whenever any MSR bit 0-3: is set to logic 1, a
MODEM Status Interrupt will be generated.
Scratchpad Register (SPR)
The ST16C2550 provides a temporary data register to
store 8 bits of user information.
ST16C2550 EXTERNAL RESET CONDITION
REGISTERS
RESET STATE
IER
ISR
LCR
MCR
LSR
IER BITS 0-7=0
ISR BIT-0=1, ISR BITS 1-7=0
LCR BITS 0-7=0
MCR BITS 0-7=0
LSR BITS 0-4=0,
LSR BITS 5-6=1 LSR, BIT 7=0
MSR BITS 0-3=0,
MSR BITS 4-7=input signals
FCR BITS 0-7=0
MSR
FCR
SIGNALS
RESET STATE
TX
-OP2
-RTS
-DTR
INT
High
High
High
High
Three state mode
相關(guān)PDF資料
PDF描述
ST16C2550IJ44 DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550IP40 DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550CJ44 DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
ST16C2550CP40 Power Supply IC; Supply Voltage Max:6V; Output Voltage:1.3V; Package/Case:20-TSSOP; Leaded Process Compatible:No; Output Voltage Max:1.3V; Peak Reflow Compatible (260 C):No; Supply Voltage Min:2.7V; Mounting Type:Surface Mount
ST16C2550IQ48 DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C2550CQ48-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
ST16C2550CQ48TR-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO 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
ST16C2550IJ44 制造商:Exar Corporation 功能描述:
ST16C2550IJ44-F 功能描述:UART 接口集成電路 DUAL UART W/16BYTE FIFO 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
ST16C2550IJ44TR-F 制造商:Exar Corporation 功能描述:UART 2-CH 16Byte FIFO 3.3V/5V 44-Pin PLCC T/R 制造商:Exar Corporation 功能描述:ST16C2550IJ44TR-F
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