33884 datasheet(2/21 Pages) FREESCALE

No. de pieza	33884

Descripción Electrónicos	Switch Monitor Interface

PDF	21 Pages

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Fabricante Electrónico	FREESCALE [Freescale Semiconductor, Inc]

Página de inicio	http://www.freescale.com

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33884

INTERNAL BLOCK DIAGRAM

Figure 2. 33884 Simplified Block Diagram

Programmable Input Blocks (1-4)

Switch-to-Ground

and

Switch-to-Battery

Sense Inputs

(x4)

Switch-to-Ground

Sense Inputs

(x6)

Switch-to-Battery

Sense Inputs

(x2)

VDD, V+

Distribution

Fixed Input Blocks

GND (1-6)

Fixed Input Blocks

Battery (1-2)

Mode Control

SPI Encode

SPI Interface

SPI Decode

Oscillator

Metallic or Non-metallic

Enable or Disable Input Block (Tri-State)

Switch-Ground, Metallic or Non-

metallic,

Enable or Disable FIB (Tri-State)

Switch-Batt, Metallic or Non-Metallic,

Enable or Disable FIB (Tri-State)

PIB Configure, FIB/PIB Tri-State

FIB/PIB Metallic

Mode Switch Status

Normal, Polling, Sleep

Slave Sync

SP1

RST

Quiescent

Current

Control

Polling Mode

(To all input blocks)

SP2

SP3

SP4

SG1

SG2

SG3

SG4

SG5

SG6

SB1

SB2

VDD

VPWR

VSS

VBG

SYNC

MASL

INT

Wake Up

Master/Slave Select

SCLK

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