參數(shù)資料
型號(hào)： XR17C152CM-F
廠(chǎng)商： Exar Corporation
文件頁(yè)數(shù)： 60/62頁(yè)
文件大小： 0K
描述： IC UART PCI BUS DUAL 100TQFP
標(biāo)準(zhǔn)包裝： 90
特點(diǎn)： *
通道數(shù)： 2，DUART
FIFO's： 64 字節(jié)
規(guī)程： RS485
電源電壓： 5V
帶自動(dòng)流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 100-TQFP
供應(yīng)商設(shè)備封裝： 100-TQFP（14x14）
包裝： 托盤(pán)
á
XR17C152
REV. 1.2.0
5V PCI BUS DUAL UART
7
1.0
XR17C152 REGISTERS
The XR17C152 UART has three different sets of registers as shown in Figure 3. The PCI local bus
configuration space registers are for plug-and-play auto-configuration when connecting the device to the PCI
bus. This auto-configuration feature makes installation very easy into a PCI system and it is part of the PCI
local bus specification. The second register set is the device configuration registers that are accessible directly
from the PCI bus for programming general operating conditions of the device and monitoring the status of
various functions. These registers are mapped into 1K of the PCI bus memory address space. These functions
include both channel UART’s interrupt control and status, 16-bit general purpose timer control and status,
multipurpose inputs/outputs control and status, sleep mode, soft-reset, and device identification and revision.
And lastly, each UART channel has its own set of 5G internal UART configuration registers for its own
operation control and status reporting. Both sets of channel registers are embedded inside the device
configuration registers space, which provides faster access. The following paragraphs describe all 3 sets of
registers in detail.
FIGURE 3. THE XR17C152 REGISTER SETS
Channel 0
INT, MPIO,
TIMER, REG
Device Configuration and
UART[1:0] Configuration
Registers are mapped on
to the Base Address
Register (BAR) in a 1K-
byte of memory address
space
PCI Local Bus
Target
Interface
Channel 0
Channel 1
Device Configuration Registers
Global Source Interrupt,
Multipurpose I/Os,
16-bit Timer/Counter,
Sleep, Reset, DVID, DREV
UART[1:0] Configuration
Registers
16550 Compatible and EXAR
Enhanced Registers
PCI Local Bus
Configuration Space
Registers for Plug-
and-Play Auto
Configuration
152REGS
Vendor and Sub-vendor ID
and Product Model Number
in External EEPROM
0x0000
0x0200
0x0080
0x03FF
0x0100
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR17C152IM 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:5V PCI BUS DUAL UART
XR17C152IM-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
XR17C154 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:5V PCI BUS QUAD UART
XR17C154_05 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:5V PCI BUS QUAD UART
XR17C154CV 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
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