參數資料
型號： XR17V358IB-E8-EVB
廠商： Exar Corporation
文件頁數： 1/68頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR17V358-E8
產品培訓模塊： PCIe UARTs
UART Product Overview
標準包裝： 1
主要目的： 接口，UART
嵌入式： 否
已用 IC / 零件： XR17V358
已供物品： 板
相關產品： 1016-1294-ND - IC UART PCIE OCTAL 176FPBGA
其它名稱： 1016-1296
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
XR17V358
HIGH PERFORMANCE OCTAL PCI EXPRESS UART
APRIL 2012
REV. 1.0.4
GENERAL DESCRIPTION
The XR17V3581 (V358) is a single chip 8-channel
PCI Express (PCIe) UART (Universal Asynchronous
Receiver and Transmitter), optimized for higher
performance and lower power. The V358 serves as a
single lane PCIe bridge to 8 indepedent enhanced
16550 compatible UARTs. The V358 is compliant to
PCIe 2.0 Gen 1 (2.5GT/s).
In addition to the UART channels, the V358 has 16
multi-purpose I/Os (MPIOs), a 16-bit general purpose
counter/timer and a global interrupt status register to
optimize interrupt servicing.
Each UART of the V358 has many enhanced
features such as the 256-bytes TX and RX FIFOs,
programmable Fractional Baud Rate Generator,
Automatic Hardware or Software Flow Control, Auto
RS-485 Half-Duplex Direction Control, programmable
TX and RX FIFO Trigger Levels, TX and RX FIFO
Level Counters, infrared mode, and data rates up to
25Mbps. The V358 is available in a 176-pin FPBGA
package (13 x 13 mm).
NOTE 1: Covered by U.S. Patents #5,649,122, #6,754,839,
#6,865,626 and #6,947,999
APPLICATIONS
Next generation Point-of-Sale Systems
Remote Access Servers
Storage Network Management
Factory Automation and Process Control
Multi-port RS-232/RS-422/RS-485 Cards
FEATURES
Single 3.3V power supply
Internal buck regulator for 1.2V core
PCIe 2.0 Gen 1 compliant
x1 Link, dual simplex, 2.5Gbps in each direction
Expansion bus interface
EEPROM interface for configuration
Global interrupt status register for all eight UARTs
Up to 25 Mbps serial data rate
16 multi-purpose inputs/outputs (MPIOs)
16-bit general purpose timer/counter
Sleep mode with wake-up Indicator
Eight independent UART channels controlled with
■
16550 compatible register Set
■
256-byte TX and RX FIFOs
■
Programmable TX and RX Trigger Levels
■
TX/RX FIFO Level Counters
■
Fractional baud rate generator
■
Automatic RTS/CTS or DTR/DSR hardware
flow control with programmable hysteresis
■
Automatic Xon/Xoff software flow control
■
RS-485 half duplex direction control output
with programmable turn-around delay
■
Multi-drop with Auto Address Detection
■
Infrared (IrDA 1.1) data encoder/decoder
Software compatible to XR17C15x, XR17D15x,
XR17V25x PCI UARTs
FIGURE 1. BLOCK DIAGRAM OF THE XR17V358
G loba l
C onfigur a tion
R eg ister s
C r ystal O s c/B u ffer
P C I L o cal
Bu s
In te r fa c e
C o nfigur a tion
Sp a c e
R eg ister s
M ulti- pur pos e
In puts /O utputs
16 - b it
Tim e r/C ounte r
UA RT Ch a n n e l 0
6 4 - b y te TX FIFO
6 4 - by te R X F IFO
BR G
IR
E NDE C
T X & RX
U ART
Re g s
TX +
RX +
EE C K
EE D O
EE C S
UA RT Ch a n n e l 1
UA RT Ch a n n e l 2
UA RT Ch a n n e l 3
UA RT Ch a n n e l 4
UA RT Ch a n n e l 5
UA RT Ch a n n e l 6
UA RT Ch a n n e l 7
TM R C K
RX[7 :0 ]
T X [7 :0 ]
RT S # [7 :0 ]
DT R# [7 :0 ]
C T S # [7 :0 ]
D S R # [7 :0 ]
D C D #[7 :0]
M P IO [7 :0 ]
R I#[7 :0]
EE PRO M
In ter face
G loba l
C onfigur a tion
R eg ister s
G loba l
C onfigur a tion
R eg ister s
PCIe
In ter face
C o nfigur a tion
Sp a c e
R eg ister s
M ulti- pur pos e
In puts /O utputs
M ulti-pur pos e
In puts /O utputs
16 - b it
Tim e r/C ounte r
16 - b it
Tim e r/C ounte r
UA RT Ch a n n e l 0
6 4 - b y te TX FIFO
64-
BR G
IR
E NDE C
T X & RX
U ART
Re g s
UA RT Ch a n n e l 0
256-b yte T X F IF O
BR G
IR
E NDE C
TX & R X
U ART
Re g s
EE D I
UA RT Ch a n n e l 1
UA RT Ch a n n e l 2
UA RT Ch a n n e l 3
UA RT Ch a n n e l 4
UA RT Ch a n n e l 5
UA RT Ch a n n e l 6
UA RT Ch a n n e l 7
TM R C K
R X [7 :0 ]
T X [7 :0 ]
RT S # [7 :0 ]
DT R # [7 :0 ]
C T S # [7 :0 ]
D S R # [7 :0 ]
D C D #[7 :0]
M P IO [7 :0 ]
MP IO [1 5 :0 ]
R I#[7 :0]
EN IR #
EE PRO M
In ter face
EE PRO M
In ter face
256-b y te R X F IF O
TX -
RX -
CL K+
CL K-
CL KRE Q #
PE R S T #
E N 485#
E x pa ns ion
In te rfa c e
D[7 :0 ]
SE L
IN T
MO D E
CL K
B uc k R e gula tor
125 M H z C lo ck
PR E S
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