# \#parallel **URL:** https://forums.digi.com/tag/parallel/1182.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [Can i config port A as Input and Output? RCM6710](https://forums.digi.com/t/can-i-config-port-a-as-input-and-output-rcm6710/21464)
**Author:** [@Ctjpham](https://forums.digi.com/u/Ctjpham)\ **Replies:** 1\ **Last updated:** [June 16, 2020, 2:01pm UTC](https://forums.digi.com/t/can-i-config-port-a-as-input-and-output-rcm6710/21464 "2020-06-16T14:01:33Z")
Hi, Can I config PortA as parallel and PA0 as an output and PA1 as an input? According document “Rabbit® 6000 Microprocessor. User’s Manual 90001108\_”, Port a can be all output or Input but not mix. Parallel Port A us… --- ## [can I use the Parallel port A as input on a Rabbit 4300 prototype board?](https://forums.digi.com/t/can-i-use-the-parallel-port-a-as-input-on-a-rabbit-4300-prototype-board/14979)
**Author:** [@kenvoss](https://forums.digi.com/u/kenvoss)\ **Replies:** 0\ **Last updated:** [June 14, 2015, 1:54am UTC](https://forums.digi.com/t/can-i-use-the-parallel-port-a-as-input-on-a-rabbit-4300-prototype-board/14979 "2015-06-14T01:54:15Z")
I am trying to use the Parallel port A on a Rabbit 4300 with the prototype board as in input (in particular want to use PA0 and PA2…) Is this possible? What do I need to do to set up the board correctly. I tried sendin… --- ## [on RCM6700 can't control parallel port B( bit 1).](https://forums.digi.com/t/on-rcm6700-cant-control-parallel-port-b-bit-1/14057)
**Author:** [@gitomjk](https://forums.digi.com/u/gitomjk)\ **Replies:** 7\ **Last updated:** [March 12, 2015, 2:44pm UTC](https://forums.digi.com/t/on-rcm6700-cant-control-parallel-port-b-bit-1/14057 "2015-03-12T14:44:51Z")
Hi, I try to write to all parallel ports of Rabbit 6000 with WrPortI(PADR, NULL, 1); However, there is a bit 1 in port B, that refuses to work. It’s always null( I check it by BitRdPortI( PBDR, 1 )). I tried to chang… --- ## [Problems on running the sample programs of slaveport in RCM4000.](https://forums.digi.com/t/problems-on-running-the-sample-programs-of-slaveport-in-rcm4000/13401)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [September 4, 2014, 5:23pm UTC](https://forums.digi.com/t/problems-on-running-the-sample-programs-of-slaveport-in-rcm4000/13401 "2014-09-04T17:23:52Z")
Programs being run on both the slave and master are: Slave side-SLAVE\_DEMO Master side-MASTER\_DEMO While running the sample programs of slave port in RCM4000, I get the following output on the master: “Got Read Error… --- ## [Can we transfer data continously from one RCM4000 to another RCM4000 ?](https://forums.digi.com/t/can-we-transfer-data-continously-from-one-rcm4000-to-another-rcm4000/13321)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [August 8, 2014, 1:58am UTC](https://forums.digi.com/t/can-we-transfer-data-continously-from-one-rcm4000-to-another-rcm4000/13321 "2014-08-08T01:58:45Z")
Kindly reply at the earliest. --- ## [How can I check the slave port data in RCM4000?](https://forums.digi.com/t/how-can-i-check-the-slave-port-data-in-rcm4000/13289)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 0\ **Last updated:** [July 8, 2014, 11:35pm UTC](https://forums.digi.com/t/how-can-i-check-the-slave-port-data-in-rcm4000/13289 "2014-07-08T23:35:00Z")
Initially for testing the slave port data register,I have moved some data from a location in my slave processor to its SPD2R. When I read the data from the same register-SPD2R,I am not getting the same data.Why is it so?… --- ## [Sir ,I have gone through samples\\slaveport\\\*.c](https://forums.digi.com/t/sir-i-have-gone-through-samples-slaveport-c/13281)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [July 8, 2014, 1:25pm UTC](https://forums.digi.com/t/sir-i-have-gone-through-samples-slaveport-c/13281 "2014-07-08T13:25:38Z")
But it is used for data transmission via serial port.But I want to transfer data through parallel port.So is there any change in the procedures to be implemented?Kindly provide details. --- ## [Sir/Madam Please guide me to interface two RCM4000 modules,so that I can send data from one RCM4000 to another.](https://forums.digi.com/t/sir-madam-please-guide-me-to-interface-two-rcm4000-modules-so-that-i-can-send-data-from-one-rcm4000-to-another/13236)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [July 7, 2014, 5:17pm UTC](https://forums.digi.com/t/sir-madam-please-guide-me-to-interface-two-rcm4000-modules-so-that-i-can-send-data-from-one-rcm4000-to-another/13236 "2014-07-07T17:17:43Z")
Is it ok to activate one RCM4000 as a master and the other RCM4000 as the slave? If so,please guide me how to provide the commands to program both the master and slave RCM modules.I am confused about the code.I hope to r… --- ## [Can we use master.serial.lib functions in my code for using parallel port of the slave in RCM4000?](https://forums.digi.com/t/can-we-use-master-serial-lib-functions-in-my-code-for-using-parallel-port-of-the-slave-in-rcm4000/13265)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [July 7, 2014, 5:06pm UTC](https://forums.digi.com/t/can-we-use-master-serial-lib-functions-in-my-code-for-using-parallel-port-of-the-slave-in-rcm4000/13265 "2014-07-07T17:06:54Z")
--- ## [Can we use parallel port on the slave in RCM4000?](https://forums.digi.com/t/can-we-use-parallel-port-on-the-slave-in-rcm4000/13266)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [July 7, 2014, 4:52pm UTC](https://forums.digi.com/t/can-we-use-parallel-port-on-the-slave-in-rcm4000/13266 "2014-07-07T16:52:21Z")
--- ## [Please check the code below in RCM4000](https://forums.digi.com/t/please-check-the-code-below-in-rcm4000/13268)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [July 7, 2014, 4:41pm UTC](https://forums.digi.com/t/please-check-the-code-below-in-rcm4000/13268 "2014-07-07T16:41:21Z")
I have some data in “REG”. If I copy some of my data to SPD0R(SLAVE Port Data Register) by using the following command WrPortI(SPD0R,&SPD0RShadow,REG); I get the error: line 61 : WARNING PARALLEL 1.C : Wrong type… --- ## [Writing data to parallel ports in RCM4000?](https://forums.digi.com/t/writing-data-to-parallel-ports-in-rcm4000/12635)
**Author:** [@AISWARYA\_RAJ](https://forums.digi.com/u/AISWARYA_RAJ)\ **Replies:** 1\ **Last updated:** [March 20, 2014, 1:52am UTC](https://forums.digi.com/t/writing-data-to-parallel-ports-in-rcm4000/12635 "2014-03-20T01:52:19Z")
Is it possible to write/move data from a memory location to a parallel port.If so,what is the required command for it other than WrPortI(xxxx,xxxxshadow,value)