DA6021 datasheet(26/225 Pages) RENESAS

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DA6021

HIGHLY INTEGRATED POWER MANAGEMENT IC FOR

INTEL® ATOM™ Z3000 PROCESSOR

Company Confidential

Data Sheet

Version 3.A - Final

31-Jan-14

26 of 224

www.dialog-semiconductor.com

9. Operating Conditions

System Control Signals

9.1

VDCIN_SENSE

9.1.1

Input voltage, limited to the maximum input voltage via resistor divider, of the AC/DC adaptor.

ACPRESENT

9.1.2

ACPRESENT is an active high dedicated output signal that indicates the AC/DC adapter or USB DCP/CDP/ACA

(CHGDET_B=0) is connected to a valid voltage.

VBUS_SENSE

9.1.3

USB input voltage detection

CHGDET_B

9.1.4

USB DCP detection from USBPHY to DA6021. (0=USB DCP/CDP/ACA)

VSYS1/2

9.1.5

Input power supplies and input voltage supervision

CHGSTAT

9.1.6

Input to DA6021 indicating the battery charger status and fault indicator from charger IC

ILIM[1:0]

9.1.7

Output signals providing information the external connected power sources like AC adaptor, USB

DCP/CDP/ACA and USB SDP)

I2C_CLK

9.1.8

I2C clock signal from SoC to DA6021

I2C_DATA

9.1.9

I2C data connection between SoC and DA6021

IRQ

9.1.10

IRQ is an active high dedicated output signal that generates interrupts to the SOC. It is asserted when at least

one unmasked interrupt bit is set in the 1st level interrupt register. It is valid when RSMRST_B=1 (de-asserted).

The maximum latency from the IRQ detection to the assertion of the IRQ line is 1ms.

I2CM_CLK

9.1.11

I2C clock signal from DA6021 to external I2C EEPROM

I2CM_DATA

9.1.12

I2C data line between DA6021 and external I2C EEPROM

PWRBTNIN_B

9.1.13

System power button input signal, internally connected to VSYS via a 20kΩ resistor and includes a 30ms de-

bouncer from proper function avoiding detection during bouncing contacts

PWRBTN_B

9.1.14

DA6021 passes the power button input information via the PWRBTN_B output signal to the SOC. PWRBTN_B is

a level shifted copy of PWRBTNIN_B after the 30ms de-bouncer. PWRBTN_B is valid when RSMRST_B=1 (de-

asserted).

DA6021 Datasheet(PDF) 26 Page - Renesas Technology Corp

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