| ??? 02/18/06 22:51 Read: times |
#110283 - cd4021_cd4094 shift registers Responding to: ???'s previous message |
Hello Peter,
Why not use CMOS shift registers? Uses only three pins on your 89C2051. Extremely low power. Here is a schematic and software. http://members.aol.com/cpu8052/cd4021_cd4094.gif Regards, Charles Bannister ![]() |




