Rainbow-electronics DS2788 Bedienungsanleitung PDF herunterladen (Seite 18)

DS2788

All Control register bits are read and write accessible.

The Control register is recalled from parameter

EEPROM memory at power-up. Register bit values can

be modified in shadow RAM after power-up. Shadow

RAM values can be saved as the power-up default val-

ues by using the Copy Data command.

Stand-Alone Fuel-Gauge IC with

LED Display Drivers

18 ______________________________________________________________________________________

Control Register

ADDRESS 60h BIT DEFINITION

Field Bit Format Allowable V alues

NBEN 7 Read/Write

Negative Blanking Enable

0: Allows negative current readings to always be accumulated.

1: Enables blanking of negative current readings up to -25µV.

UVE N 6 Read/Write

Undervoltage SLEEP Enabl e

0: Disables transitio n to SLEEP mode based on V

voltage.

1: Enables transition to SLEEP mode if V

< V

SLEEP

and DQ are stable at either

logic level for t

SLEEP.

PMOD 5 Read/Write

Power Mode Enable

0: Disables transition to SLEEP mode based on DQ logic state.

1: Enables transition to SLEEP mode if DQ is at a logic-low for t

SLEEP.

RNAOP 4 Read/Write

Read Net Address Op Code

0: R ead net address command = 33h.

1: R ead net address command = 39h.

DC 3 Read/Write

Display Control

0: Enables LED5 fuel-gauge display.

1: Enables LED4 fuel-gauge display.

Reserved 0:2 Undefined

Figure 15. Control Register Format

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 29 30

LED Display Drivers 1

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