# MEZ-456 Power Supply Nets and ByPass Capacitor Nets # ---------------------------------------------------------- # # # Original Rev. 29-July-2011 # Most Recent Rev. 11-NOV-2011 # # This net_list file defines the pins on both regulator chips, # all the tantalum and ceramic bypass capacitors, and the resistors # and the LED that is in the Mez-456 power supply circuits. # Mez-456 +1.5 Volt Regulator NET 'VCC' C1-1 C13-1 U3-1 # Input power to the +1.5V regulator. NET 'GROUND' C1-2 C13-2 # Ground the input filter capacitors NET 'GROUND' U3-3 # Ground the regulator gnd pin NET 'VCCINT' U3-2 U3-4 C2-1 # +1.5V Regulator output and filter capacitor NET 'GROUND' C2-2 # Ground the output filter capacitor NET 'VCC' D1-3 # Protection Diode across the +1.5V Regulator NET 'VCCINT' D1-1 D1-2 # Protection Diode across the +1.5V Regulator NET 'VCCINT' R13-2 R14-1 # +1.5V Regulator output load resistors NET 'GROUND' R13-1 R14-2 # Ground the +1.5V load resistors # Mez-456 +3.3 Volt Regulator NET 'VCC' C3-1 C14-1 U4-1 # Input power to the +3.3V regulator. NET 'GROUND' C3-2 C14-2 # Ground the input filter capacitors NET 'GROUND' U4-3 # Ground the regulator gnd pin NET 'VDD' U4-2 U4-4 C4-1 # +3.3V Regulator output and filter capacitor NET 'GROUND' C4-2 # Ground the output filter capacitor NET 'VCC' D2-3 # Protection Diode across the +3.3V Regulator NET 'VDD' D2-1 D2-2 # Protection Diode across the +3.3V Regulator NET 'VDD' R15-1 # +3.3V Regulator output LED resistor NET 'RES_LED1' R15-2 LED1-2 # LED resistor to LED1 NET 'GROUND' LED1-1 # +3.3V Indicator LED1 to ground NET 'VDD' R27-2 # +3.3V Regulator output load resistors NET 'GROUND' R27-1 # Ground the +3.3V load resistors # Tantalum "B" Case bypass capacitors on the VCCINT bus NET 'VCCINT' C5-1, C6-1 # VCCINT Tant_B caps NET 'GROUND' C5-2, C6-2 # ground side # Tantalum "B" Case bypass capacitors on the VDD bus NET 'VDD' C7-1, C8-1 # VDD Tant_B caps NET 'GROUND' C7-2, C8-2 # ground side # 100 nFd Ceramic bypass capacitors on the VCCINT bus NET 'VCCINT' C23-2, C24-1, C31-2, C44-1 # VCCINT 100 nFd caps NET 'GROUND' C23-1, C24-2, C31-1, C44-2 # ground side # 47 nFd Ceramic bypass capacitors on the VCCINT bus NET 'VCCINT' C21-2, C26-1, C33-2, C42-1 # VCCINT 47 nFd caps NET 'GROUND' C21-1, C26-2, C33-1, C42-2 # ground side # 4.7 nFd Ceramic bypass capacitors on the VCCINT bus NET 'VCCINT' C18-2, C29-1, C36-2, C39-1 # VCCINT 4.7 nFd caps NET 'GROUND' C18-1, C29-2, C36-1, C39-2 # ground side # 100 nFd Ceramic bypass capacitors on the VDD bus NET 'VDD' C17-2, C30-1, C37-2, C38-1 # VDD 100 nFd caps NET 'GROUND' C17-1, C30-2, C37-1, C38-2 # ground side NET 'VDD' C20-1, C27-2, C34-1, C41-2 # VDD 100 nFd caps NET 'GROUND' C20-2, C27-1, C34-2, C41-1 # ground side # 47 nFd Ceramic bypass capacitors on the VDD bus NET 'VDD' C19-2, C28-1, C35-2, C40-1 # VDD 47 nFd caps NET 'GROUND' C19-1, C28-2, C35-1, C40-2 # ground side # 4.7 nFd Ceramic bypass capacitors on the VDD bus NET 'VDD' C22-2, C25-1, C32-2, C43-1 # VDD 4.7 nFd caps NET 'GROUND' C22-1, C25-2, C32-1, C43-2 # ground side # 100 nfd and 47 nfd bypass caps on the Config PROM NET 'VDD' C15-1, C16-1 # VDD bypass caps Config PROM NET 'GROUND' C15-2, C16-2 # ground side # Additional 100 nFd Ceramic bypass capacitors on the VDD bus NET 'VDD' C9-2, C10-1, C11-2, C12-1 # VDD 100 nFd caps NET 'GROUND' C9-1, C10-2, C11-1, C12-2 # ground side # Additional 100 nFd Ceramic bypass capacitors on the VCCINT bus NET 'VCCINT' C45-2, C46-1, C47-2, C48-1 # VCCINT 100 nFd caps NET 'GROUND' C45-1, C46-2, C47-1, C48-2 # ground side # More Additional 100 nFd Ceramic bypass capacitors on the VDD bus NET 'VDD' C49-2, C51-1 # VDD 100 nFd caps NET 'GROUND' C49-1, C51-2 # ground side # More Additional 100 nFd Ceramic bypass capacitors on the VCCINT bus NET 'VCCINT' C50-2, C52-1 # VCCINT 100 nFd caps NET 'GROUND' C50-1, C52-2 # ground side