Central Control Unit. MOS 8 MHz clock, 32 kByte internal ROM, 1344 internal Bytes RAM with stand-by option, 26 I/O lines, 1I²C/IM bus and Multimaster IM bus interface, IR-input for software-decoded IR-systems, PLCC-68 package, . Cross Reference: CCU3000i CC73000 CPU Lowe Panasonic Schneider., GOTO: IX1411BM,