ZSC31014 datasheet(39/59 Pages) RENESAS

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ZSC31014 Datasheet

January 20, 2016

EEPROM

Word

Bit

Range

IC Default

Description

Note

01HEX

ZMDI_Config_1

Bits in the ZMDI_Config_1 EEPROM word control the

following settings. Important: IC must be power-cycled

after changes to this word.

2:0

001 BIN

IDT Reserved

Must preserve factory settings.

1BIN

ClkSpeed

Digital Core Clock Frequency

0 = 4MHz

1 = 1MHz

0BIN

Comm_Type

Serial Communication Type

0 = I

2C™

1 = SPI

0BIN

Sleep_Mode

Normal Operation Mode

0 = Update Mode

1 = Sleep Mode

7:6

01BIN

Update_Rate

The following time values are typical; for worst case

values, multiply by 1.15 (nominal frequency ±15%).

1MHz Clock

4MHz Clock

00 = 1.6ms

00 = 0.5ms

01 = 5.0ms

01 = 1.5ms

10 = 25.0ms

10 = 6.5ms

11 = 125.0ms

11 = 32.0ms

0BIN

IDT Reserved

Must preserve factory settings.

0BIN

SOT_curve

Type of second-order curve correction on bridge. If set

to 0, the bridge SOT will correct for a parabolic curve. If

set to 1, the bridge SOT will correct for an S-shaped

curve.

11:10

00BIN

TC_Sign

TC_Sign[0] = 1, Tco is a negative number.

TC_Sign[1] = 1, Tcg is a negative number.

15:12

s000BIN

SOT_Sign

SOT_Sign[0] =1, SOT_bridge is negative.

SOT_Sign[1] =1, SOT_tco is negative.

SOT_Sign[2] =1, SOT_tcg is negative.

SOT_Sign[3] =1, SOT_T is negative.

‡‡

For this register, s = IDT factory calibration data required for on-chip temperature-sensor data accuracy of

≤ ±2.5K; if the user is re-

calibrating over temperature, including the on-chip temperature sensor, set bit 15 in 01HEX (SOT_Sign[3]) to the default value 0BIN (default

data: register 01HEX = 0049HEX).

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