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BD6062GU
● Pin assignment table
Technical Note
No.
A1
A2
A3
A4
A5
B1
B3
B4
B5
C1
C2
C4
C5
D1
D2
D3
D4
D5
E1
E2
E3
E4
E5
Pin Name
TEST
RSTB/FLASH
FFB
GNDSENS
N.C
RFLASH
IFMODE
SW1
SW2
VFB
TFB
CSDI
VIO
RTORCH
CS/TORCH
OVP
PGND1
PGND2
N.C
GND
VBAT
CLK
N.C
In/
Out
In
In
In
In
-
Out
In
In
In
In
In
In
-
Out
In
In
-
-
-
-
-
In
-
Functions
Digital test select pin
Reset (“L”:Reset) (IFMODE=’0’)
FLASH enable (“H”) (IFMODE=’1’)
Flash current driver feedback pin
Sense GND pin for current driver
open
Flash current adjustment resistor pin
Interface mode select
Switching terminal 1
Switching terminal 2
Voltage feedback pin
Torch current driver feedback pin
Data input
I/O power supply pin
Torch current adjustment resistor pin
Chip select (IFMODE=’0’)
TORCH enable (IFMODE=’1’)
Boost voltage feedback input pin
Power GND pin 1
Power GND pin 2
Open
GND pin
Battery power supply pin
Clock
Open
Total : 23 Pin
● Description of function
1) CPU I/F
The Control Serial I/F provides access to Flash LED driver control registers.
Write timing show following timing chart.
CLK
CS
t sFS t hFS
t sDI
t hDI
Duty
Tcyc
CSDI
A7
A6
A0
D7
D6
D0
Fig.28 Control Serial Port Timing
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
6/15
2011.05 - Rev.B
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