MCZ33884
MCZ33884 is Switch Monitor Interface manufactured by Freescale Semiconductor.
Features
SWITCH MONITOR INTERFACE
DW SUFFIX EG (PB-FREE) SUFFIX 98ASB42344B 24-PIN SOICW
- Full Operation with 7.0 V < VPWR < 26 V, Limited Operation with ORDERING INFORMATION 5.5 V < VPWR < 7.0 V Temperature
- Input Voltage Range: -14 V to 40 V Device Package Range (TA)
- Interface Directly to Microprocessors Using SPI Protocol
- Wake Up on Change of Monitored Switch Status MC33884DW/R2 -40°C to 105°C 24 SOICW
- Programmable Wetting Current MCZ33884EG/R2
- Four Switch-to-Ground Switches
- Six (Fixed Function) Inputs Monitoring Six Switch-to-Ground Switches
- Two (Fixed Function) Inputs Monitoring Two Switch-to-Battery Switches
- Quiescent Current in Sleep Mode < 10 µA
- Reset Input Defaults the Device to Sleep Mode
- Pb-Free Packaging Designated by Suffix Code EG
VPWR
2 VPWR Sense Inputs SB1 SB2 SP1 SP2 SP3 SP4 SG1 SG2 SG3 SG4 SG5 SG6 VPWR VDD CS SI SO SCLK INT RESET GND VBG SYNC MASL
VDD MCU VDD CS MOSI MISO CLK INT RESET GND
4 GND / VPWR Sense Inputs
6 GND Sense Inputs
Figure 1. 33884 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2006. All rights reserved.
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
SP1 SP2 SP3 SP4
Switch-to-Ground and Switch-to-Battery Sense Inputs (x4)
Programmable Input Blocks (1-4)
Metallic or Non-metallic Enable or Disable Input Block (Tri-State)
SG1 SG2 SG3 SG4 SG5 SG6
Switch-to-Ground Sense Inputs (x6)
Fixed Input Blocks GND (1-6)
Switch-Ground, Metallic or Nonmetallic, Enable or Disable FIB (Tri-State)
SPI Decode
PIB Configure, FIB/PIB Tri-State FIB/PIB Metallic
SB1 SB2
Switch-to-Battery Sense Inputs (x2)
Fixed Input Blocks Battery (1-2)
Switch-Batt, Metallic or Non-Metallic, Enable or Disable FIB...