AS3709 datasheet(59/74 Pages) AMSCO

59 / 74 page

ams Datasheet, Confidential: 2013-Aug [1-02]

AS3709 – 59

Reg i st er Description

Figure 78:

OvertemperatureControl Register (Address 37h)

Figure 79:

Reg_standby_mod1 Register (Address 39h)

Addr: 37h

OvertemperatureControl

Bit

Bit Name

Default

Access

Bit Description

7:4

'b0000

N/A

Do not use

rst_ov_temp_1

0RWP

If the over-temperature threshold 2 has been reached,

the flag ov_temp_140 is set and a reset cycle is started.

ov_temp_140

should be reset by writing 1 and afterward 0

to rst_ov_temp_140.

ov_temp_140

Flag that the over-temperature threshold 2 (T140) has

been reached - this flag is not reset by an

over-temperature caused reset and has to be reset by

rst_ov_temp_140.

ov_temp_110

Flag that the over-temperature threshold 1 (T110) has

been reached

temp_pmc_on

Switch on / off the temperature supervision; default:

on - all other bits are only valid if set to 1 leave at 1, do

not disable

Addr: 39h

Reg_standby_mod1

Bit

Bit Name

Default

Access

Bit Description

disable_regpd

This bit disables the pulldown of all regulators

0 : Normal operation approx. 1kΩ pulldown of all

regulators

1 : Pulldown disabled >100kΩ of all regulators

6ldo2_stby_on

Enable LDO2 in standby mode

5ldo1_stby_on

Enable LDO1 in standby mode

sd5_stby_on

Enable Step down 4 in standby mode

sd4_stby_on

Enable Step down 4 in standby mode

sd3_stby_on

Enable Step down 3 in standby mode

sd2_stby_on

Enable Step down 2 in standby mode

sd1_stby_on

Enable Step down 1 in standby mode

AS3709 Datasheet(PDF) 59 Page - ams AG

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