KIT34844AEPEVBE Freescale Semiconductor, KIT34844AEPEVBE Datasheet - Page 50

• Manufacturer Part Number: KIT34844AEPEVBE
• Description: LED Lighting Development Kits IC, 10 CHANNEL LED BACKLIGHT
• Manufacturer: Freescale Semiconductor

Specifications of KIT34844AEPEVBE

• Supply Voltage: 12 V
• Supply Current: 2 uA
• For Use With/related Products: 34844A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

reconfigured everytime the part part gets recoverd from a
POR or shutdown condition.
up should be as follows:
50
34844A
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Table 13. Write Registers
1. Take the PWM pin low
2. Power up the part
3. Configure all registers
4. Take the PWM pin High
All registers and POWER ON/OFF channels should be
The configuration sequence every time the part is power
reg / db
Table 14. Register Description
Register Name
FA
00
01
04
05
06
07
08
09
14
F0
F1
F2
F3
F4
F5
F6
F7
F8
F9
OVP[3:0]
SETI2C
CLRI2C
PINEN
NINEN
EN
OVP3
DPWM7
PWR_OFF
PWR_ON
ICH0_7
ICH1_7
ICH2_7
ICH3_7
ICH4_7
ICH5_7
ICH6_7
ICH7_7
ICH8_7
ICH9_7
ICHG_7
D7
Default Value
(Hex)
OVP2
DPWM6
CLRFAIL
ICH0_6
ICH1_6
ICH2_6
ICH3_6
ICH4_6
ICH5_6
ICH6_6
ICH7_6
ICH8_6
ICH9_6
ICHG_6
1
1
1
F
0
0
D6
LOGIC COMMANDS AND REGISTERS
Chip Enable by software.
PIN pin enable (0=off, 1 =on)
NIN pin enable (0=off, 1 =on)
OVP voltage
SET I
Clear set I
OVP1
FPWM5
FPWM11
FPWM17
DPWM5
ALL_OFF
ICH0_5
ICH1_5
ICH2_5
ICH3_5
ICH4_5
ICH5_5
ICH6_5
ICH7_5
ICH8_5
ICH9_5
ICHG_5
2
C communication (Disable SM Bus Mode)
D5
2
C
OVP0
FPWM4
FPWM10
FPWM16
DPWM4
CHEN4
CHEN9
ICH0_4
ICH1_4
ICH2_4
ICH3_4
ICH4_4
ICH5_4
ICH6_4
ICH7_4
ICH8_4
ICH9_4
ICHG_4
D4
recommended to follow this sequence:
POWER ON/OFF functions, please refer to the
and POWER ON LED CHANNELS
1. Take the PWM pin low
2. Configure the registers
3. Take the PWM pin High
For configuring the part once in operation it is
Special considerations should be taken for reconfiguring
FPWM3
FPWM9
FPWM15
DPWM3
CHEN3
CHEN8
ICH0_3
ICH1_3
ICH2_3
ICHG_3
ICH4_3
ICH5_3
ICH6_3
ICH7_3
ICH8_3
ICH9_3
ICHG_3
D3
Description
NINEN
FPWM2
FPWM8
FPWM14
DPWM2
CHEN2
CHEN7
ICH0_2
ICH1_2
ICH2_2
ICH3_2
ICH4_2
ICH5_2
ICH6_2
ICH7_2
ICH8_2
ICH9_2
ICHG_2
Analog Integrated Circuit Device Data
D2
PINEN
CLRI2C
FPWM1
FPWM7
FPWM13
DPWM1
CHEN1
CHEN6
BST1
ICH0_1
ICH1_1
ICH2_1
ICH3_1
ICH4_1
ICH5_1
ICH6_1
ICH7_1
ICH8_1
ICH9_1
ICHG_1
Freescale Semiconductor
section.
D1
POWER OFF
EN
SETI2C
FPWM0
FPWM6
FPWM12
DPWM0
CHEN0
CHEN5
BST0
ICH0_0
ICH1_0
ICH2_0
ICH3_0
ICH4_0
ICH5_0
ICH6_0
ICH7_0
ICH8_0
ICH9_0
ICHG_0
D0