MC33884 - Motorola

MC33884 SWITCH MONITOR INTERFACE

Pin 1 2 3 4 5 6 7 8 9 10 11 12 Name VDD SO SI SP1 SG1 SG2 SG3 SB1 SP2 MASL VPWR VSS RSTB SYNC INTB SP3 SB2 SG4 SG5 SG6 SP4 VBG CSB SCLK Freescale Semiconductor, Inc. Description 5.0 V Logic Supply SPI Data Out Pin SPI Data In Pin Programmable – Switch–to–Battery or Switch–to–Ground Input 1 (Source or Sink Output) Switch–to–Ground Input 1 (Source Output) Swi.

Features

• Full Operation with 7.0 V ≤ VPWR ≤ 26 V, Limited Operation with 5.5 V ≤ VPWR ≤ 7.0 V
• Input Voltage Range:
  –14 V to 40 V
• Interfaces Directly to Microprocessors Using SPI Protocol
• 24
  –Lead Wide Body SOIC Package
• Wake
  –up on Change of Monitored Switch Status
• Programmable Wetting Current
• 4 Programmable Inputs to Monitor 4 Switch
  –to
  –Battery or 4 Switch
  –to
  –Ground Switches
• 6 (fixed function) Inputs to Monitor 6 Switch
  –to
  –Ground Switches
• 2 (fixed function) Inputs to Monitor 2 Switch
  –to
  –Battery Switches
• Standby Current During Normal Mode = 100 m A
• Quiescent Current in Sleep Mode < .