Memotec CX900e, Hardware Reference Manual, Page: 42 / 200

CX900e Hardware Reference Manual
3-2
3006M100-002
3.1 Motherboard Layout
Components of the CX900e’s motherboard are organized in three general
functional areas:
• processing section (including CPU and memory)
• input/output section (including expansion slots)
• power section (including transformers and fuse)
3.1.1 Processing Section
CPU The Motorola QUICC 68EN360, at U9, is the CX900e’s central processing unit.
This 32-bit CPU can handle 5.9 MIPS at 33 MHz. A built-in System Integration
Module, including an interrupt controller, memory controller and various clocking
mechanisms, aids the CPU in its housekeeping activities.
Also integrated in the 68EN360 is a Communications Processor Module that
includes:
• a serial management controller
Figure 3-1 Motherboard Layout