REV. 1.3.2 5V PCI BUS QUAD UART 5 NOTE: Pin type: I=Input, O=Outp" />
參數(shù)資料
型號(hào): XR17C154CV
廠商: Exar Corporation
文件頁數(shù): 45/62頁
文件大?。?/td> 0K
描述: IC UART PCI BUS QUAD 144LQFP
產(chǎn)品變化通告: Leaded UART, V&I Obsolescence 11/Apr/2011
標(biāo)準(zhǔn)包裝: 60
特點(diǎn): *
通道數(shù): 4,QUART
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:
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: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
xr
XR17C154
REV. 1.3.2
5V PCI BUS QUAD UART
5
NOTE: Pin type: I=Input, O=Output, IO= Input/output, OD=Output Open Drain.
EECK
116
O
Serial clock to EEPROM. An internal clock of CLK divide by 256 is used for
reading the vendor and sub-vendor ID during power up or reset. However, it
can be manually clocked thru the Configuration Register REGB.
EECS
115
O
Chip select to a EEPROM device like 93C46. It is manually selectable thru the
Configuration Register REGB. Requires a pull-up 4.7K ohm resister for exter-
nal sensing of EEPROM during power up. See DAN112 for further details.
EEDI
114
O
Write data to EEPROM device. It is manually accessible thru the Configura-
tion Register REGB. The 154 auto-configuration register interface logic uses
the 16-bit format.
EEDO
113
I
Read data from EEPROM device. It is manually accessible thru the Configu-
ration Register REGB.
XTAL1
110
I
Crystal or external clock input of up to 50MHz for data rate of 3.125Mbps at
5V.
XTAL2
109
O
Crystal or buffered clock output.
TMRCK
69
I
16-bit timer/counter external clock input.
ENIR
70
I
Infrared mode enable (active high). This pin is sampled during power up, fol-
lowing a hardware reset (RST#) or soft-reset (register RESET). It can be used
to start up all 4 UARTs in the infrared mode. The sampled logic state is trans-
ferred to MCR bit-6 in the UART. Software can override this pin thereafter and
enable or disable it.
TEST#
111
I
Factory Test. Connect to VCC for normal operation.
VCC
4,19,34,45,64,
90,112,137
PWR +5V (PCI Compliance). For 3.3V operation, see the XR17D154.
GND
5,20,35,46,63,
89,136
PWR Power supply common, ground.
NC
47-54,
71,72,75-80,
91-98,
117-124
No Connection. These pins are reserved and used by the octal PCI UART
XR17C158.
Pin Description
NAME
PIN #TYPE
DESCRIPTION
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XR17C154CV-0A-EVB 功能描述:UART 接口集成電路 Supports C154 144 ld TQFP, PCI Interface 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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XR17C154CVTR-F 制造商:Exar Corporation 功能描述:UART 4-CH 64Byte FIFO 5V 144-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XR17C154CVTR-F
XR17C154IV 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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