 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
XR16C2850IP Datasheet(PDF) 6 Page - Exar Corporation |
|
||||||||||||||||||||||||||||||
XR16C2850IP Datasheet(HTML) 6 Page - Exar Corporation |
|
|
6 / 44 page  XR16C2850 6 Rev. 1.00P SYMBOL DESCRIPTION Symbol Pin Signal Pin Description 40 44 48 type XTAL1 16 18 13 I Crystal or External Clock Input - Functions as a crystal input or as an external clock input. A crystal can be connected between this pin and XTAL2 to form an internal oscillator circuit. This configuration requires an external 1 MW resis- tor between the XTAL1 and XTAL2 pins. Alternatively, an external clock can be connected to this pin to provide custom data rates (see Baud Rate Generator Program- ming). XTAL2 17 19 14 O Output of the Crystal Oscillator or Buffered Clock - (see also XTAL1). Crystal oscillator output or buffered clock output. Should be left open if an external clock is connected to XTAL1. -CD A-B 38,19 42,21 40,16 I Carrier Detect (active low) - These inputs are associated with individual UART channels A through B. A logic 0 on this pin indicates that a carrier has been detected by the modem for that channel. -CTS A-B 36,25 40,28 38,23 I Clear to Send (active low) - These inputs are associated with individual UART channels, A through B. A logic 0 on the - CTS pin indicates the modem or data set is ready to accept transmit data from the 2850. Status can be tested by reading MSR bit-4. This pin has no effect on the UARTs transmit or receive operation. -DSR A-B 37,22 41,25 39,20 I Data Set Ready (active low) - These inputs are associated with individual UART channels, A through B. A logic 0 on this pin indicates the modem or data set is powered-on and is ready for data exchange with the UART. This pin has no effect on the UARTs transmit or receive operation. -DTR A-B 33,34 37,38 34,35 O Data Terminal Ready (active low) - These outputs are associated with individual UART channels, A through B. A logic 0 on this pin indicates that the 2850 is powered-on and ready. This pin can be controlled via the modem control register. Writing a logic 1 to MCR bit-0 will set the -DTR output to logic 0, enabling the modem. This pin will be a logic 1 after writing a logic 0 to MCR bit-0, or after a reset. This |
Similar Part No. - XR16C2850IP |
|
Similar Description - XR16C2850IP |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
