59
HCD-BC150/BC250
• DMB09 BOARD IC201 CXD9781R (DVD SYSTEM PROCESSOR, DVD DECODER, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name I/O Description
1IREF I Current reference input
2 PLLVSS — Terminal Ground
3 LPIOP O Positive output of the low pass filter
4 LOION O Nagative output of the low pass filter
5 LPFON O Nagative output of loop filter amplifier
6 LPFIP I Positive input of loop filter amplifier
7 LPFIN I Nagative input of loop filter amplifier
8 LPFOP O Positive output of loop filter amplifier
9 JITFO O RF jitter neter output
10 JITFN I Nagative input of operation amplifier for RF jigger meter
11 PLLVDD3 — Power Supply (+3.3V)
12 FOO O FR signal output to Motor Driver (IC101)
13 TRD O TR signal output to Motor Driver (IC101)
14 TROPREOWM O TROPREOWM signal output to Motor Driver (IC101)
15 PWMOUT1 — Not used
16 PWMOUT2 O PWMUTE signal output to Motor Driver (IC102)
17 DVDD2 — Power Supply (+2.5V)
18 DMD O DM signal output to Motor Driver (IC101)
19 FMD O FM signal output to Motor Driver (IC101)
20 DVSS — Terminal Ground
21 FG — Not used
22 to 27 HIGHA0 to 5 O Address bus 8-13 output to PROM (IC204)
28 DVSS — Terminal Ground
29 to 30 HIGHA6 to 7 O Address bus 14-15 output to PROM (IC204)
31 to 34 AD7 to 4 I Data bus 7-4 input from PROM (IC204)
35 DVDD3 — Power Supply (+3.3V)
36 to 39 AD3 to 0 I Data bus 3-0 input from PROM (IC204)
40 to 41 IOA0 to 1 O Address bus 0-1 output to PROM (IC204)
42 DVDD2 — Power Supply (+2.5V)
43 to 48 IOA2 to 7 O Address bus 2-7 output to PROM (IC204)
49 to 50 A16 to 17 O Address bus 16-17 output to PROM (IC204)
51 to 53 IOA18 to 20 O Address bus 18-20 output to PROM (IC204)
54 APLLVSS — Terminal Ground
55 APLLVDD — Power Supply (+3.3V)
56 ALE — Address bus latch enable (Not used)
57 IOOE O OE signal output to PROM (IC204)
58 IOWA O WE signal output to PROM (IC204)
59 IOCS O CE signal output to PROM (IC204)
60 VDSS — Terminal Ground
61 UP12 O VIFBUSY signal output to SYSTEM CONTROLLER (IC509)
62 UP13 O DVD SCO signal output to SYSTEM CONTROLLER (IC509)
63 UP14 I DVD SOD signal input from SYSTEM CONTROLLER (IC509)
64 UP15 I DVD XIFCS signal input from SYSTEM CONTROLLER (IC509)
65 UP16 O SCL signal output to EEPROM (IC205)
66 DVDD3 — Power Supply (+3.3V)
67 UP16 O SDA signal output to EEPROM (IC205)
68 UP30 I V2P8 signal input from RF AMP (IC102)
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