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參數(shù)資料
| 型號(hào)： | XR16M698IQ-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 56/58頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR M698-A 100QFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | * |
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XR16M698
7
REV. 1.0.0
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO
1.0 DESCRIPTION
The XR16M698 (698) integrates the functions of 8 enhanced 16550 UARTs, a general purpose 16-bit timer/
counter and an on-chip oscillator. The device configuration registers include a set of four consecutive interrupt
source registers that provides interrupt-status for all 8 UARTs, timer/counter and a sleep wake up indicator.
Each UART channel has its own 16550 UART compatible configuration register set for individual channel
control, status, and data transfer. Additionally, each UART channel has 32-byte of transmit and receive FIFOs,
automatic RTS/CTS or DTR/DSR hardware flow control with hysteresis control, automatic Xon/Xoff and special
character software flow control, programmable transmit and receive FIFO trigger levels, infrared encoder and
decoder (IrDA ver. 1.0), programmable baud rate generator with a prescaler of divide by 1 or 4, and data rate
up to 15Mbps. The XR16M598 is a 1.62V-3.63V device.
TABLE 1: MAX DATA RATES
VOLTAGE
16X SAMPLING
RATE
8X SAMPLING
RATE
4X SAMPLING
RATE
3.3V
3.75 Mbps
7.5 Mbps
15 Mbps
2.5V
2.5 Mbps
5 Mbps
10 Mbps
1.8V
0.9375 Mbps
1.875 Mbps
3.75 Mbps
2.0 FUNCTIONAL DESCRIPTIONS
2.1
Device Reset
2.1.1
Hardware Reset
The RST# input resets the internal registers and the serial interface outputs in all 8 channels to their default
state (see Table 19). A LOW pulse of longer than 40 ns duration will be required to activate the reset function
in the device.
2.1.2
Software Reset
The internal registers of each UART can be reset by writing to the RESET register in the Device Configuration
Registers. For more details, see the RESET register description on page 30.
2.2
UART Channel Selection
A LOW on the chip select pin, CS#, allows the user to select one of the UART channels to configure, send
transmit data and/or unload receive data to/from the UART. When address line A7 = 0, address lines A6:A4
are used to select one of the eight channels. See Table 2 below for UART channel selection.
TABLE 2: UART CHANNEL SELECTION
FUNCTION
0
Channel 0 Selected
0
1
Channel 1 Selected
0
1
0
Channel 2 Selected
0
1
Channel 3 Selected
0
1
0
Channel 4 Selected
0
1
0
1
Channel 5 Selected
0
1
0
Channel 6 Selected
0
1
Channel 7 Selected
A7
A6
A5
A4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M698IQ-0B-EVB | 功能描述:界面開發(fā)工具 Eval Board for XR16M698IQ-0B RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| XR16M698IQ100 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO |
| XR16M698IQ100-F | 功能描述:UART 接口集成電路 8-ch 32-byte 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 |
| XR16M698IQ100TR-F | 制造商:Exar Corporation 功能描述:UART 8-CH 32Byte FIFO 1.8V/2.5V/3.3V 100-Pin PQFP T/R 制造商:Exar Corporation 功能描述:XR16M698IQ100TR-F |
| XR16M752 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
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