Ds 2 7 8 8, Stand-alone fuel-gauge ic with led display drivers, Control register – Rainbow Electronics DS2788 User Manual
Page 18
D
S
2
7
8
8
All Control register bits are read and write accessible.
T h e C o n t r o l r e g i s t e r i s r e c a l l e d f r o m p a r a m e t e r
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 Values
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.
UVEN
6
Read/Write
Undervoltage SLEEP Enable
0: Disables transition to SLEEP mode based on V
IN
voltage.
1: Enables transition to SLEEP mode if V
IN
< 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: Read net address command = 33h.
1: Read 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