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参数资料
| 型号： | XR16V598IQ-0A-EVB |
| 厂商： | Exar Corporation |
| 文件页数： | 22/58页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16V598-A 100QFP |
| 标准包装： | 1 |
| 系列： | * |
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XR16V598
29
REV. 1.0.3
2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
3.1.5
RESET [7:0] (default 0x00)
The 8-bit RESET register provides the software with the ability to reset the UART(s) when there is a need.
Each bit is self-resetting after it is written a logic 1 to perform a reset to that channel. All registers in that
channel will be reset to the default condition, see Table 18 for details. As an example, bit-0 =1 resets UART
channel 0 with bit-7=1 resets channel 7.
3.1.6
SLEEP [7:0] (default 0x00)
The 8-bit Sleep register enables each UART separately to enter Sleep mode. Sleep mode reduces power
consumption when the system needs to put the UART(s) to idle. The UART enters sleep mode when there is
no interrupt pending. When all 8 UARTs are put to sleep, the on-chip oscillator shuts off to further conserve
power. In this case, the octal UART is awaken by any of the UART channels from a receive data byte or a
change on any of the modem inputs (CTS#, DSR#, CD#, RI#). The UART is ready after 32 crystal clocks to
ensure full functionality. Also, a special interrupt is generated with an indication of no pending interrupt. Logic 0
(default) and logic 1 disable and enable sleep mode respectively.
3.1.7
Device Identification and Revision
There are 2 internal registers that provide device identification and revision, DVID and DREV registers. The 8-
bit content in the DVID register provides device identification. A return value of 0x58 from this register indicates
the device is a XR16V598. The DREV register returns a 8-bit value of 0x01 for revision A, 0x02 for revision B
and so on. This information is very useful to the software driver for identifying which device it is communicating
with and to keep up with revision changes.
3.1.7.1
DVID [7:0] (default 0x44)
Device identification for the type of UART. The Device ID for the V598 is 0x58.
3.1.7.2
DREV [7:0] (default (0x01)
Revision number of the XR16V598. A 0x01 represents "revision-A" with 0x02 for rev-B and so forth.
3.1.8
REGB [7:0] (default 0x00)
REGB[0]: Simultaneous write to all 8 UARTs
Logic 0 = Write to each UART configuration register individually (default).
Logic 1 = Enable simultaneous write to all 8 UART configuration registers. This can be very useful during
device initialization in the power-up and reset routines.
REGB[7:1]: Reserved.
Ch-6
Ch-7
Ch-5 Ch-4 Ch-3 Ch-2 Ch-1 Ch-0
RESET Register
Individual UART Channel Reset Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
Ch-6
Ch-7
Ch-5 Ch-4 Ch-3 Ch-2 Ch-1 Ch-0
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
SLEEP Register
Individual UART Channel Sleep Enable
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16V598IQ-0B-EVB | 功能描述:界面开发工具 Supports V598 100 LD QFP, PCI Interface RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| XR16V598IQ100 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO |
| XR16V598IQ100-F | 功能描述:UART 接口集成电路 UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16V654 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO |
| XR16V654_0709 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO |
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