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參數(shù)資料
| 型號(hào)： | XR16C854IV |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | APH97-3108A20-29S |
| 中文描述： | 4 CHANNEL(S), 2M bps, SERIAL COMM CONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, TQFP-64 |
| 文件頁(yè)數(shù)： | 35/51頁(yè) |
| 文件大?。?/td> | 476K |
| 代理商： | XR16C854IV |
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XR16C854
35
Rev. 1.00P
FCTR BIT-7:
Programmable trigger register select.
0 = Receiver programmable trigger level register is
selected.
1 = Transmitter programmable trigger level register is
selected.
TRIGGER LEVEL / FIFO DATA COUNT REGISTER
User programmable transmit / receive trigger level
register.
TRG BIT 0-7: Write only.
these bits are used to programmed desire trigger
levels that are not available in standard tables.
TRG BIT 0-7: Read only.
Transmit / receive FIFO count. Number of characters
in transmit or receive FIFO can be read via this
register.
ENHANCED MODE SELECT REGISTER
This register is accessible only when FCTR Bit-6 is set
to 1.
EMSR BIT-0: Write only
0 = Receive FIFO count register. The scratch pad
register is used to provide the receive FIFO count
when it is read.
1 = Transmit FIFO count register. The scratch pad
register is used to provide the transmit FIFO count
when it is read.
EMSR BIT-1: Write only
0 = Normal.
1 = Alternate receive - transmit FIFO count. When
EMSR Bit-0=1 and EMSR Bit=1, scratch pad register
is used to provide the receive - transmit FIFO count
when it is read every alternate read cycle. The TRG
Bit-7 will provide the FIFO count mode information,
TRG Bit-7=0 receive mode, TRG Bit-7=1 transmit
mode.
EMSR BIT 4-7:
Reserved for future use.
XR16C854 EXTERNAL RESET CONDITIONS
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
EFR BITS 0-7=0
FCTR BITS 0-7=0
EMSR BITS 0-7=0
TRG BITS 0-7=0
MSR
FCR
EFR
FCTR
EMSR
TRG
SIGNALS
RESET STATE
TX A-D
-RTS A-D
-DTR A-D
-RXRDY A-D
-TXRDY A-D
High
High
High
High
Low
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XR16C854D | 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO |
| XR16C864 | Quad UART with RX/TX FIFO Counters and 128-byte FIFO(四通用異步接收器/發(fā)送器（帶RX/TX 先進(jìn)先出計(jì)數(shù)器和128字節(jié)先進(jìn)先出）) |
| XR16C872 | Dual UART with 1284 Parallel Port and Plug-and-Play（PnP） Controller(雙通用異步接收器/發(fā)送器（帶1284雙向并行端口和即插即用控制器）) |
| XR16L2450 | 2.25V TO 5.5V DUART |
| XR16L2450IJ | 97-3108A20-29S-KIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16C854IV-F | 功能描述:UART 接口集成電路 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 |
| XR16C854IV-F | 制造商:Exar Corporation 功能描述:IC QUAD UART 2MBPS 5.5V 64-LQFP |
| XR16C854IVTR-F | 功能描述:UART 接口集成電路 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 |
| XR16C864 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO |
| XR16C864CQ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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