Hitachi HUS157373EL3600 1 LED Driver, +5V 5V C4-11 150 ohm 5V C3-22 150 ohm LED C4-8 LED C3-21

Table 11.7 Pin assignment of Option Jumper Connector C3 (SCA-2 LVD drive)

Pin No.	Signal Name	Pin No.	Signal Name	Note
1	-ID3	2	GND
3	-ID2	4	GND
5	-ID1	6	GND
7	-ID0	8	GND
9	-Disable Auto Start	10	GND
11	-Force Single-Ended mode	12	GND
13	-Enable Delayed Start	14	GND
15	-Write Protect	16	GND
17	Reserved	18	GND
19	Reserved	20	GND
21	LED(with 0 ohm)	22	5V(with 150 ohm)	See Figure 12.1
23	Reserved	24	Reserved

+5V

5V (C4-11)

150 ohm 5V (C3-22)

150 ohm LED (C4-8) LED (C3-21)

+5V

150 ohm

5V (C3-22)

0 ohm

LED (C1-77)

LED (C3-21)

NW drive

NC drive

Figure 11.1 LED Driver

Drawing No. Sheet No. Revision 5
K6602906	38/46	2003/6/12