Manual

CP390
ID 19976, Rev. 0200
Hotswap
Page 4 - 1® PEP Modular Computers GmbH
Hotswap
4.1 Technical Background of CompactPCI Hotswap ................. 4 - 2
4.1.1 Hotswap System ......................................................... 4 - 2
4.1.1.1 The Hotswap Backplane ......................................... 4 - 3
4.1.1.2 The System Host (System Controller) .................... 4 - 3
4.1.1.3 The Hotswap Board ................................................ 4 - 4
4.1.1.4 Software and Operating System ............................. 4 - 4
4.2 Design Implementation on the CP390 ................................. 4 - 4
4.2.1 Power Ramping .......................................................... 4 - 4
4.2.2 Precharge ................................................................... 4 - 4
4.2.3 Handle Switch ............................................................. 4 - 4
4.2.4 ENUM# Interrupt ......................................................... 4 - 5
4.2.5 Hotswap Control and Status Register / Statemachine 4 - 5
4.2.6 Programming the GPIO’s ............................................ 4 - 7
4.1.1.1 GPIO: Output Enable Control Register - Offset 66h 4 - 7
4.1.1.2 GPIO Input Data Register - Offset 67h ................... 4 - 7
4.1.1.3 GPIO Output Data Register - Offset 65h ................ 4 - 8
Chapter
4