參數(shù)資料
型號(hào): XR17V352IB113-F
廠商: Exar Corporation
文件頁數(shù): 24/64頁
文件大?。?/td> 0K
描述: IC UART PCIE 256B DUAL 113FPBGA
產(chǎn)品培訓(xùn)模塊: PCIe UARTs
標(biāo)準(zhǔn)包裝: 260
特點(diǎn): *
通道數(shù): 2,DUART
FIFO's: 256 字節(jié)
規(guī)程: RS485
電源電壓: 3.3V
帶自動(dòng)流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 113-LFBGA
供應(yīng)商設(shè)備封裝: 113-FPBGA
包裝: 托盤
其它名稱: 1016-1471
XR17V352IB113-F-ND
PCI Bus
Data Bit-31
B7 B6 B5 B4 B3 B2 B1 B0
Transmit Data Byte n+3
Transmit Data Byte n+2
Transmit Data Byte n+1
Transmit Data Byte n+0
PCI Bus
Data Bit-0
Channel 0 to 1 Transmit Data in 32-bit alignment through the Configuration Register Address
0x0100 and 0x0500
XR17V352
30
HIGH PERFORMANCE DUAL PCI EXPRESS UART
REV. 1.0.3
2.2
FIFO DATA LOADING AND UNLOADING THROUGH THE UART CHANNEL REGISTERS, THR
AND RHR IN 8-BIT FORMAT
The THR and RHR register address for channel 0 to channel 1 is shown in Table 10 below. The THR and RHR
for each channel 0 to 1 are located sequentially at address 0x0000 and 0x0200. Transmit data byte is loaded to
the THR when writing to that address and receive data is unloaded from the RHR register when reading that
address. Both THR and RHR registers are 16C550 compatible in 8-bit format, so each bus operation can only
write or read in bytes.
TABLE 10: TRANSMIT AND RECEIVE DATA REGISTER IN BYTE FORMAT, 16C550 COMPATIBLE
THR and RHR Address Locations For CH0 to CH1 (16C550 Compatible)
CH0 0x0000 Read THR
CH0 0x0000 Write RHR
CH1 0x4000 Read THR
CH1 0x4000 Write RHR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
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