33884 Ver la hoja de datos (PDF) - Freescale Semiconductor

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componentes Descripción

Fabricante

33884

Switch Monitor Interface

Freescale Semiconductor 

INTERNAL BLOCK DIAGRAM

INTERNAL BLOCK DIAGRAM

SP1

SP2

SP3

SP4

SG1

SG2

SG3

SG4

SG5

SG6

SB1

SB2

VDD

VPWR

VSS

VBG

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)

Switch-to-Ground

Sense Inputs

(x6)

Switch-to-Battery

Sense Inputs

(x2)

Fixed Input Blocks

GND (1-6)

Switch-Ground, Metallic or Non-

metallic,

Enable or Disable FIB (Tri-State)

Fixed Input Blocks

Battery (1-2)

Switch-Batt, Metallic or Non-Metallic,

Enable or Disable FIB (Tri-State)

SPI Decode

PIB Configure, FIB/PIB Tri-State

FIB/PIB Metallic

SPI Interface

VDD, V+

Distribution

(To all input blocks)

SPI Encode

Mode Switch Status

Quiescent

Current

Control

Mode Control

Normal, Polling, Sleep

Polling Mode

Oscillator

Wake Up

Slave Sync

Master/Slave Select

CS

SI

SO

SCLK

INT

RST

SYNC

MASL

Figure 2. 33884 Simplified Block Diagram

33884

2

Analog Integrated Circuit Device Data

Freescale Semiconductor

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