AIS1120SX Datasheet, PDF (24/58 Pages) STMicroelectronics – Embedded self-test

Customer accessible data arrays (registers)
AIS1120SX / AIS2120SX
Name
A2D_SAT_CHY
A2D_SAT_CHX
Not used
CHARGE_PUMP_ERR
VREG_LOW_VOLT_DET
VREG_HIGH_VOLT_DET
VDD_LOW_VOLT_DET
VDD_HIGH_VOLT_DET
Table 8. REG_STATUS_2
REG_STATUS_2 (address: 0x05)
Bit#
R/W
Reset
state
Description
7
R
0
if = "1" then CHY ADC saturation detected (wrong
behavior).
6
R
0
if = "1" then CHY ADC saturation detected (wrong
behavior).
5
R
0
Charge pump error:
4
R
if = "0" then charge pump error is not detected
0
(correct behavior);
if = "1" charge pump error is detected (wrong
behavior).
VREG low-voltage detection:
if = "0" then regulated voltage VREG is over the
minimum supply voltage (correct behavior);
3
R
0
= "1" then regulated voltage VREG is under the
minimum supply voltage (wrong behavior).
This also creates hardware failure (not latched).
VREG high-voltage detection:
if = "0" then regulated voltage VREG is under the
maximum supply voltage (correct behavior);
2
R
0
if = "1" then regulated voltage VREG is over the
maximum supply voltage (wrong behavior).
This also creates hardware failure (not latched).
VDD low-voltage detection:
if = "0" then supply voltage VDD is over the
minimum supply voltage (correct behavior);
1
R
0
if = "1" then supply voltage VDD is under the
minimum supply voltage (wrong behavior).
This also creates hardware failure (not latched).
VDD high-voltage detection:
if = "0" then supply voltage VDD is under the
maximum supply voltage (correct behavior);
0
R
0
if = "1" then supply voltage VDD is over the
maximum supply voltage (wrong behavior).
This also creates hardware failure (not latched).
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