- 您现在的位置：买卖IC网 > PDF目录16556 > XR16M581IL32-0C-EB (Exar Corporation)EVAL BOARD FOR XR16M581-C 32QFN PDF资料下载
参数资料
| 型号： | XR16M581IL32-0C-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 14/51页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16M581-C 32QFN |
| 标准包装： | 1 |
| 系列： | * |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页当前第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页
XR16M581
21
REV. 1.0.1
1.62V TO 3.63V UART WITH 16-BYTE FIFO AND VLIO INTERFACE
an interrupt is pending from any channel. The M581 will stay in the sleep mode of operation until it is disabled
by setting IER bit-4 to a logic 0.
A word of caution: owing to the starting up delay of the crystal oscillator after waking up from sleep mode, the
first few receive characters may be lost. Also, make sure the RX pin is idling HIGH or “marking” condition
during sleep mode. This may not occur when the external interface transceivers (RS-232, RS-485 or another
type) are also put to sleep mode and cannot maintain the “marking” condition. To avoid this, the system design
engineer can use a 47k ohm pull-up resistor on each of the RX input.
2.17.2
Power-Save Feature
If the address lines, data bus lines, IOW#, IOR#, CS# and modem input lines remain steady when the M581 is
in sleep mode, the maximum current will be in the microamp range as specified in the DC Electrical
Characteristics on page 42. If the input lines are floating or are toggling while the M581 is in sleep mode, the
current can be up to 100 times more. If not using the Power-Save feature, an external buffer would be required
to keep the address and data bus lines from toggling or floating to achieve the low current. But if the Power-
Save feature is enabled (PwrSave pin connected to VCC), this will eliminate the need for an external buffer by
internally isolating the address, data and control signals (see Figure 1 on page 1) from other bus activities that
could cause wasteful power drain. The M581 enters Power-Save mode when this pin is connected to VCC and
the M581 is in sleep mode (see Sleep Mode section above).
Since Power-Save mode isolates the address, data and control signals, the device will wake-up only by:
■ a receive data start bit transition (HIGH to LOW) at the RX input or
■ a change of logic state on the modem or general purpose serial input CTS#, DSR#, CD#, RI#
The M581 will return to the Power-Save mode automatically after a read to the MSR (to reset the modem input
CTS#) and all interrupting conditions have been serviced and cleared. The M581 will stay in the Power-Save
mode of operation until it is disabled by setting IER bit-4 to a logic 0 and/or the Power-Save pin is connected to
GND.
2.17.3
Wake-up Interrupt
The M581 has the wake up interrupt. By setting the FCR bit-3, wake up interrupt is enabled or disabled. The
default status of wake up interrupt is disabled. Please See ”Section 4.5, FIFO Control Register (FCR) -
相关PDF资料 |
PDF描述 |
|---|---|
| ILC0603ERR10K | INDUCTOR CER 100NH 0603 |
| V48C8C100BF2 | CONVERTER MOD DC/DC 8V 100W |
| GSC10DRXI-S734 | CONN EDGECARD 20POS DIP .100 SLD |
| XR16M580IB25-0C-EB | EVAL BOARD FOR XR16M580-C 25BGA |
| H3AKH-1636G | IDC CABLE - HSC16H/AE16G/HPK16H |
相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16M581IL32-F | 功能描述:UART 接口集成电路 1.62-3.63V; 16-Byte FIFO & VLIO; 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 |
| XR16M598 | 制造商:EXAR 制造商全称:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO |
| XR16M598IQ100 | 制造商:EXAR 制造商全称:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO |
| XR16M598IQ100-F | 功能描述:UART 接口集成电路 8-ch 16-byte 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 |
| XR16M654 | 制造商:EXAR 制造商全称:EXAR 功能描述:1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO |
发布紧急采购，3分钟左右您将得到回复。