ADC built-in self-test

AN4371

8/29

DocID025337 Rev 1

1.4.1

Flash content

Flash memory Test sector contains calibration and other chip-specific data. This information

is summarized in Table 1 below.

Table 1. Test Flash Content

Address

Word name

Function

0x0000

TSENS_0_CAL W2/W4

TSENS_0 Calibration data W2 (P2/PTAT) and W4

(C2/CTAT) at cold temperature

0x0004

TSENS_1_CAL W2/W4

TSENS_1 Calibration data W2 (P2/PTAT) and W4

(C2/CTAT) at cold temperature

0x0008

TSENS_0_CAL W1/W3

TSENS_0 Calibration data W1 (P1/PTAT) and W3

(C1/CTAT) at hot temperature

0x000C

TSENS_1_CAL W1/W3

TSENS_1 Calibration data W1 (P1/PTAT) and W3

(C1/CTAT) at hot temperature

0x0010

ADC0_CAL W1

ADC0 Self-Test calibration - RC algo

0x0014

ADC0_CAL W2

ADC0 Self-Test calibration - C algo S0 step

0x0018

ADC0_CAL W3

ADC0 Self-Test calibration - C algo Sn step

0x001C

ADC0_CAL W4

ADC0 Self-Test calibration - S algo S0 step - 3.3 V

0x0020

ADC0_CAL W5

ADC0 Self-Test calibration - S algo S0 step - 5.0 V

0x0024

ADC0_CAL W6

ADC0 Self-Test calibration - S algo S1 step - integer

0x0028

ADC0_CAL W7

ADC0 Self-Test calibration - S algo S1 step - float

0x002C

ADC0_CAL W8

ADC0 Self-Test calibration - S algo S2 step

0x0030

ADC0 Reserved

ADC0 reserved

0x0034

ADC1_CAL W1

ADC1 Self-Test calibration - RC algo

0x0038

ADC1_CAL W2

ADC1 Self-Test calibration - C algo S0 step

0x003C

ADC1_CAL W3

ADC1 Self-Test calibration - C algo Sn step

0x0040

ADC1_CAL W4

ADC1 Self-Test calibration - S algo S0 step - 3.3 V

0x0044

ADC1_CAL W5

ADC1 Self-Test calibration - S algo S0 step - 5.0 V

0x0048

ADC1_CAL W6

ADC1 Self-Test calibration - S algo S1 step - integer

0x004C

ADC1_CAL W7

ADC1 Self-Test calibration - S algo S1 step - float

0x0050

ADC1_CAL W8

ADC1 Self-Test calibration - S algo S2 step

0x0054

ADC1 Reserved

ADC1 Reserved

Table 2. Typical values stored in Test sector of Flash memory

Word

Flash

location

offset

Value in flash

Loads to

STAWxR

Step

THRH

THRL

W1

10h

0xFE20F1E0

STAW3R

RC

0xE20h

0x1E0h

W2

14h

0xF856F732

STAW4R

C0

0x856h

0x732h