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NCP5680
$00 ? SDN Shut Down command
$01 ? CONFIG0
$02 ? CONFIG1 register
$03 ? FILED1 : set up the Power Flash LED1
$04 ? FILED2 : set up the Power Flash LED2
$06 ? TILED : set up the Video/Torch LED current
$07 ? FLDLY1: set up the time delay Start to LED1
$08 ? FLDLY2 : set up the time delay Start to LED2
$0A ? FLWID1: set up the Power Flash pulse width LED1
$0B ? FLWID2: set up the Power Flash pulse width LED2
$0D ? PHSEN: set up the Photo sense range
$0E ? PHGAIN : set up the input amplifier gain
$0F ? VOUTREG: set up the Vout voltage
$10 ? INMDE: set up the Indicator mode (ICON )
$11 ? NTCREG : set up the NTC low limit
$12 ? NTCBIAS : set up the DC bias current to NTC
$13 ? ICHG: set up the superCAP re ? charge current
$14 ? TOUT : set up the Power flash time out
$17 ? STATUS
Shutdown
RESET
Set Pre Charge
Set Charge Pump
Set Vout
FUNCTIONS PROGRAMMING REGISTERS
X
X
X
X
X
COMMENTS
send %0000 0000
send % 1xxx xxxx
send %xxxx xx1x
send %xxxx x1xx
send %0000 0000 to %0000 0111
SetUp ICHG superCAP
Set up the NTC bias current
Set up the NTC reference voltage
Enable/Disable the NTC function
Select Flash mode
Select Torch/Video mode
Select Indicator/Icon mode
SetUp ILED indicator
SetUp IFLASH#1
SetUp IFLASH#2
Enable LED#1
Enable LED#2
Set Time Out
Set Pulse Width LED#1
Set Pulse Width LED#2
Set Delay Flash LED#1
Set Delay Flash LED#2
Set Flash Trigger :I2C/External
SetUp ITORCH
Activate/Deactivate Photo Sense
SetUp Photo Sense Refrence
SetUp Check Sequence
Read STATUS register
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
send %0000 0000 to %0000 0111
send %0000 0000 to %0011 1111
send %0000 0000 to %0001 1111
send % xx1x xxxx
send % xx1x xxx0
send % xx0x xxx0
send % xx0x xxx1
send %0000 0000 to %0011 1111
send %0000 0000 to %0011 1111
send %0000 0000 to %0011 1111
send % xxxx xxx1
send % xxxx xx1x
send %0000 0000 to %0111 1111
send %0000 0000 to %1111 1111
send %0000 0000 to %1111 1111
send %0000 0000 to %1111 1111
send %0000 0000 to %1111 1111
Send % xxx1 xxxx
send %0000 0000 to %0011 1111
Send% xxx1 xxxx
send %0000 0000 to %1111 1111
Table 1. Functions Programming Table
INTERNAL REGISTERS DESCRIPTION
SDN[7..0] Shut Down command $00
B7
B6
B5
B4
B3
B2
B1
B0
RESET
0
0
0
0
0
0
0
0
SDN[7:0] = 3 NCP5680 is in Shut Down mode, all the
LED are switched to the OFF state, the previously
programmed parameters are stored into their respective
registers. The Vout voltage is no longer controlled by the
chip and the SuperCap is disconnected from the Vbat. The
SuperCap voltage bias is maintained until the Vout voltage
is below 2 V.
CONFIG0[7..0] Configuration register $01
Although the third byte could carry any data when an
SDN command is transmitted, it is preferred to force all the
8 bits to zero. Consequently, a typical shut down command
shall be: $I2C Address ? $00 ? $00.
Note: there is no internal structure to rapidly discharge the
SuperCap: it is up to the external circuit to take whatever
action is necessary to cope with the end application.
B7
TPLGT
B6
ENTC
B5
ICHG
B4
ENPH
B3
CKPLS
B2
CKPRC
B1
BKL2
B0
BKL1
RESET
0
0
0
0
0
0
0
0
TPLGT: activate the 200 ms time out associated to the
Picture Light function.
TPLGT = 0 3 the 200 ms is de ? activated
TPLGT = 1 3 the 200 ms time out is activated and apply
to the Picture Light only.
Note: the 200 ms time out is automatically asserted when
the TILED current is higher than 100 mA.
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