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參數(shù)資料
| 型號： | XR17C152CM-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 34/62頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XR17C152 100TQFP |
| 標準包裝： | 1 |
| 系列： | * |
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XR17C152
á
5V PCI BUS DUAL UART
REV. 1.2.0
4
RI0#
70
I
UART channel 0 Ring Indicator or general purpose input (active low). This
input should be connected to VCC when not used.
TX1
62
O
UART channel 1 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
RX1
55
I
UART channel 1 Receive Data or infrared receive data. Normal RXD input
idles HIGH while infrared RXD input idles LOW. In the infrared mode, the
polarity of the incoming RXD signal can be selected via FCTR bit-4. If this bit
is a logic 0, a LOW on the RXD input is considered a mark and if this bit is a
logic 1, a HIGH on the RXD input is considered a space.
RTS1#
60
O
UART channel 1 Request to Send or general purpose output (active low). If
this output is not used, leave it unconnected.
CTS1#
56
I
UART channel 1 Clear to Send or general purpose input (active low). This
input should be connected to VCC when not used.
DTR1#
61
O
UART channel 1 Data Terminal Ready or general purpose output (active low).
If this output is not used, leave it unconnected.
DSR1#
57
I
UART channel 1 Data Set Ready or general purpose input (active low). This
input should be connected to VCC when not used.
CD1#
58
I
UART channel 1 Carrier Detect or general purpose input (active low). This
input should be connected to VCC when not used.
RI1#
59
I
UART channel 1 Ring Indicator or general purpose input (active low). This
input should be connected to VCC when not used.
ANCILLARY SIGNALS
MPIO0-MPIO7
52-45
I/O
Multi-purpose inputs/outputs 0-7. The function of these pin are defined thru
the Configuration Register MPIOSEL, MPIOLVL, MPIOINV, MPIO3T and
MPIOINT
EECK
84
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
83
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
82
O
Write data to EEPROM device. It is manually accessible thru the Configura-
tion Register REGB. The 152 auto-configuration register interface logic uses
the 16-bit format.
EEDO
81
I
Read data from EEPROM device. It is manually accessible thru the Configu-
ration Register REGB.
XTAL1
77
I
Crystal or external clock input of up to 50MHz for data rate of 3.125Mbps at
5V. See AC Characterization table.
XTAL2
76
O
Crystal or buffered clock output.
TMRCK
75
I
16-bit timer/counter external clock input.
ENIR
74
I
Global Infrared mode enable (active high). This pin is sampled during power
up, following a hardware reset (RST#) or soft-reset (register RESET). It can
be used to start up both UARTs in the infrared mode. The sampled logic state
is transferred to MCR bit-6 in the UART. Software can override this pin there-
after and enable or disable it.
EN485#
65
I
Global AutoRS485 half-duplex direction control enable (active low). During
power up or reset, this pin is sampled and if it is a logic high, both UARTs are
set for Auto RS485 Mode. Also, the Auto RS485 bit, FCTR[5], is set in both
channels. Software can override this pin thereafter and enable or disable it.
Pin Description
NAME
PIN #TYPE
DESCRIPTION
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XR17C152CM-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 |
| XR17C152IM | 制造商:EXAR 制造商全稱: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:EXAR 功能描述:5V PCI BUS QUAD UART |
| XR17C154_05 | 制造商:EXAR 制造商全稱:EXAR 功能描述:5V PCI BUS QUAD UART |
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