ZSSC3123AI2R datasheet(48/62 Pages) RENESAS

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ZSSC3123 Datasheet

Nov 19, 2021

Page 48

12.4 Customer Configuration Register (Cust_Config, EEPROM Word 1CHEX)

This register is loaded at power-on reset and upon exiting Command Mode after receiving a Start_NOM command.

Table 32. Cust_Config Bit Assignments

Bit Range

IC Default

Name

Description and Notes

6:0

0101000BIN

Device_ID

I2C slave address

8:7

00BIN

Alarm_Low_Cfg

Configure the Alarm_Low output pin:

Bits

Description

Alarm Polarity:

0 = Active High

1 = Active Low

Output Configuration:

0 = Full push-pull

1 = Open-drain

10:9

00BIN

Alarm_High_Cfg

Configure the Alarm_High output pin:

Bits

Description

Alarm Polarity:

0 = Active High

1 = Active Low

Output Configuration:

0 = Full push-pull

1 = Open drain

0BIN

SPI_Phase

The edge of SCLK that the master samples MISO on:

0 = positive edge

1 = negative edge

0BIN

Ready_Open_Drain

Ready pin is

0 = Full push-pull

1 = Open-drain

0BIN

Fast_Startup

Sets the Command Window length:

0 = 10ms Command Window

1 = 3ms Command Window

15:14

00BIN

Not Available

Do Not Change – must leave at factory settings

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