參數(shù)資料
型號(hào)： XR17D152IM
廠商： EXAR CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
中文描述： 2 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP100
封裝： 14 X 14 MM, 1 MM HEIGHT, TQFP-100
文件頁(yè)數(shù)： 24/68頁(yè)
文件大小： 772K
代理商： XR17D152IM
XR17D152
UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
á
REV. 1.2.0
24
4.1.2
The XR17D152 also provides the same RX FIFO data along with the LSR status information of each byte side-
by-side, at locations 0x180 (channel 0) and 0x380 (channel 1). The entire RX data along with the status can be
downloaded in a single PCI Burst Read operation of 32 DWORD reads. The Status and Data bytes must be
read in 16 or 32 bits format to maintain data integrity. The following tables show this clearly.
Special Rx FIFO
Data Unloading at locations 0x180 (channel 0) and 0x380 (channel 1)
4.1.3
The TX FIFO data (up to the maximum 64 bytes) can be loaded in a single burst 32-bit write operation
(maximum 16 DWORD writes) at memory locations 0x100 (channel 0) and 0x300 (channel 1).
Tx FIFO
Data Loading at locations 0x100 (channel 0) and 0x300 (channel 1)
R
EAD
RX FIFO,
WITH
LSR
E
RRORS
B
YTE
3
B
YTE
2
B
YTE
1
B
YTE
0
Read n+0 to n+1
FIFO Data n+1
LSR n+1
FIFO Data n+0
LSR n+0
Read n+2 to n+3
FIFO Data n+3
LSR n+3
FIFO Data n+2
LSR n+2
Etc
W
RITE
TX FIFO
B
YTE
3
B
YTE
2
B
YTE
1
B
YTE
0
Write n+0 to n+3
FIFO Data n+3
FIFO Data n+2
FIFO Data n+1
FIFO Data n+0
Write n+4 to n+7
FIFO Data n+7
FIFO Data n+6
FIFO Data n+5
FIFO Data n+4
Etc.
PCI Bus
Data Bit-31
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
Receive Data Byte n+3
Receive Data Byte n+2
Receive Data Byte n+1
Receive Data Byte n+0
PCI Bus
Data Bit-0
Channel 0 to 1 ReceiveData in 32-bit alignment through the Configuration Register Address
0x0100 and 0x0300
PCI Bus
Data Bit-31
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
B7
B6
B5
B4
B3
B2
B1
B0
Receive Data Byte n+1
Line Status Register n+1
Receive Data Byte n+0
Line Status Register n+0
PCI Bus
Data Bit-0
Channel 0 to 1 Receive Data with Line Status Register in a 32-bit alignment through
the Configuration Register Address 0x0180 and 0x0380
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR17D152IM-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
XR17D154 制造商:EXAR 制造商全稱:EXAR 功能描述:UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
XR17D154CV 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
XR17D154CV-0A-EVB 功能描述:界面開(kāi)發(fā)工具 Supports D154 144 ld TQFP, PCI Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
XR17D154CV-F 功能描述:UART 接口集成電路 3.3V-5V 64B 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
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