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參數資料
| 型號： | XR16V554IV-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/43頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16V554 64LQFP |
| 標準包裝： | 1 |
| 系列： | * |
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Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR16V554/554D
2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO
JULY 2010
REV. 1.0.3
GENERAL DESCRIPTION
The XR16V554 (V554) is a quad Universal
Asynchronous Receiver and Transmitter (UART) with
16 bytes of transmit and receive FIFOs, selectable
receive FIFO trigger levels and data rates of up to 4
Mbps at 3.3 V. Each UART has a set of registers that
provide the user with operating status and control,
receiver error indications, and modem serial interface
controls. An internal loopback capability allows
onboard diagnostics. The V554 is available in a 48-
pin QFN, 64-pin LQFP, 68-pin PLCC and 80-pin
LQFP packages. The 64-pin and 80-pin packages
only offer the 16 mode interface, but the 48- and 68-
pin packages offer an additional 68 mode interface
which
allows
easy
integration
with
Motorola
processors. The XR16V554IV (64-pin) offers three
state interrupt output while the XR16V554DIV
provides continuous interrupt output. The XR16V554
is compatible with the industry standard ST16C554.
FEATURES
Pin-to-pin compatible with ST16C454, ST16C554,
TI’s TL16C554A and Philip’s SC16C554B
Intel or Motorola Data Bus Interface select
Four independent UART channels
■ Register Set Compatible to 16C550
■ Data rates of up to 4 Mbps at 3.3 V and 3.125
Mbps at 2.5 V
■ 16 byte Transmit FIFO
■ 16 byte Receive FIFO with error tags
■ 4 Selectable RX FIFO Trigger Levels
■ Full modem interface
2.25V to 3.6V supply operation
Crystal oscillator or external clock input
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
FIGURE 1. XR16V554 BLOCK DIAGRAM
XTAL1
XTAL2
Crystal Osc / Buffer
Data Bus
Interface
UART Channel A
16 Byte TX FIFO
16 Byte RX FIFO
BRG
TX & RX
UART
Regs
2.25V to 3.6 V VCC
GND
554BLK
TXB, RXB, DTRB#,
DSRB#, RTSB#, CTSB#,
CDB#, RIB#
UART Channel B
(same as Channel A)
A2:A0
D7:D0
CSA#
16/68#
CSB#
INTA
INTB
IOW#
IOR#
Reset
INTSEL
TXRDY#A-D
RXRDY#A-D
UART Channel C
(same as Channel A)
TXA, RXA, DTRA#,
DSRA#, RTSA#, CTSA#,
CDA#, RIA#
TXC, RXC, DTRC#,
DSRC#, RTSC#, CTSC#,
CDC#, RIC#
UART Channel D
(same as Channel A)
TXD, RXD, DTRD#,
DSRD#, RTSD#, CTSD#,
CDD#, RID#
CSC#
CSD#
INTC
INTD
* 5 Volt Tolerant Inputs
( Except XTAL1input)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XR16V554IV80 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO |
| XR16V554IV80-0A-EB | 功能描述:界面開發工具 Supports V554 80 ld LQFP,ISA Interface RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR16V554IV80-F | 功能描述:UART 接口集成電路 2.25V-3.6V 16B FIFO temp -45 to 85C;UART RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| XR16V554IV80TR-F | 功能描述:UART 接口集成電路 XR16V554IV80TR-F RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| XR16V554IV-F | 功能描述:通用總線函數 UART RoHS:否 制造商:Texas Instruments 邏輯類型:CMOS 邏輯系列:74VMEH 電路數量:1 開啟電阻（最大值）: 傳播延遲時間:10.1 ns 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大工作溫度:+ 85 C 最小工作溫度:0 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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