ISPPAC-POWR604

www.DataSheet4U.com ispPAC-POWR604 In-System Programmable Power Supply Sequencing Controller and Monitor January 2004 Data Sheet Features ■ Monitor and Control Multiple Power Supplies Simultaneously monitors and sequences up to six power supplies Sequence controller for power-up conditions Provides four output control signals Programmable digital and analog circuitry Application Block Diagram Voltage Monitor 6 Voltage Monitor 5 2.5-5V Supply 6 Analog Inputs 1.0uF 0.1uF ■ Embedded PLD for Sequence Control Implements state machine and input conditional events In-System Programmable (ISP™) through JTAG and on-chip E2CMOS® VMON1 VMON2 VMON3 VMON4 VMON5 VMON6 VDD VDD VDDINP OUT5 OUT6 OUT7 OUT8 CPU_RESETN BROWNOUT_INT LOAD_ENABLE POWER_OK Digital Logic CPU/ASIC Card etc. ispPAC-POWR604 CLK RESET Power Sequence Controller Comp1 Comp2 Comp3 Comp4 Comp5 Comp6 POR CREF 0.1uF ■ Embedded Programmable Timers CARD_RESETN WDT_IN INT_ACK DONE Two Programmable 8-bit timers (32µs to 524ms) Programmable time delay for pulse stretching or other power supply management IN1 IN2 IN3 IN4 ■ 2.25V to 5.5V Supply Range Six analog comparators for monitoring The Lattice ispPAC®-POWR604 incorporates both in 192 precise programmable threshold levels DataSheet4U.com system programmable logic and in-system programmaspanning 1.03V to 5.72V ble analog circuits to perform special functions for Each comparator can be independently configpower supply sequencing a...