FEATURES:

• Replaces 6800 CPU Board in 170E controller
• Uses 68HC11F1 MPU clock frequency of 8Mhz
• Provides 64K EPROM and 32K ZRAM
• Uses four ACIA’s currently supported by CALTRANS
• 412C-Feature and Location switches are provided
• LED to indicate correct operation
• All power supplies are Transorb protected on the board
• Optional battery backed – clock timing chip available
• PDF Data Sheet

The Model HC-11 CPU Board is designed to replace the 6800 CPU board used in the current 170E controllers. The HC-11 easily replaces the 6800 CPU by simply removing the 6800 CPU board and sliding the new Model HC-11 CPU board in the same slot.