Datasheet > 33993

33993

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		开关
页数	文件大小	规格书
28页	765K
描述
Multiple Switch Detection Interface

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数据手册

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33993 数据手册

PIN CONNECTIONS

GND

SCLK

VDD

AMUX

INT

SP7

SP6

SP0

SP1

SP2

SP3

SG0

SG1

SG2

SG3

SG4

SG5

SG6

VPWR

SP5

SP4

SG7

SG8

SG9

SG10

SG11

SG12

SG13

WAKE

Figure 3. 33993 Pin Connections

Table 1. 33993 Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 9.

Pin Number Pin Name

Formal Name

Definition

GND

Ground

Ground for logic, analog, and switch to battery inputs.

SPI control data input pin from MCU to the 33993.

SPI control clock input pin.

SPI Slave In

Serial Clock

Chip Select

SCLK

SPI control chip select input pin from MCU to the 33993. Logic 0 allows data to be

transferred in.

5–8

25–28

SP0–3

SP4–7

Programmable Switches Programmable switch-to-battery or switch-to-ground input pins.

0–7

9–15,

18–24

SG0–6,

SG13–7

Switch-to-Ground Inputs Switch-to-ground input pins.

0–13

Battery Input

Wake-Up

Interrupt

Battery supply input pin. Pin requires external reverse battery protection.

Open drain wake-up output. Designed to control a power supply enable pin.

Open-drain output to the MCU. Used to indicate an input switch change of state.

PWR

WAKE

INT

AMUX

Analog Multiplex Output Analog multiplex output.

Voltage Drain Supply

SPI Slave Out

3.3/5.0 V supply. Sets SPI communication level for the SO driver.

Provides digital data from 33993 to the MCU.

33993

Analog Integrated Circuit Device Data

Freescale Semiconductor

1 234 5 6 7...28

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