Kenwood RXD-DV9, Руководство по обслуживанию

Страница: 9 / 47

RXD-DV9
CIRCUIT DESCRIPTION
9
Pin No. Pin Name I/O Description
48~54 DADR0~DADR6 O DRAM address bus.
55,56 D GND - Digital ground.
57 TOS O Top of selector.
58 DACK O Data acknowledge signal output.
59 DVDD - Digital power(+5.0V).
60 SDATA0 O DVD data/CD data bit stream (CDATA).
61 SDATA1 O DVD data/CD data L/R clock (LRCK).
62 SDATA2 O DVD data/CD data bit clock (BLCK).
63 SDATA3 O DVD data/CD data error flag (C2PO).
64 SDATA4 O DVD data/subcode serial data (SQDT).
65 SDATA5 O DVD data/subcode frame sync (WFSY).
66 SDATA6 O DVD data/subcode block sync (SOSI).
67 SDATA7 I/O DVD data/subcode serial clock (SQCK).
68 D GND - Digital ground.
69 STROBE O Data strobe (clock) output.
70 REQUEST I Data request from A/V decoder or ROM decoder.
71 DTEA O DVD data error output.
72 D GND - Digital ground.
73~76 PWMO7~PWMO4 O PWM output signal.
77 DVDD - Digital power(+5.0V).
78~81 PWMO3~PWMO0 O PWM output signal.
82~84 D GND - Digital ground.
85,86 DVDD - Digital power(+5.0V).
87~90 D GND - Digital ground.
91 FRSYZ O Frame sync output.
92 TX OUT O Digital output.
93 GFS O Good frame sync detection state output (OK at H).
94 D GND - Digital ground.
95 33.86M I Syatem clock input for 33.8688MHz.
96 CK33MO O Syatem clock output for 33.8688MHz.
97 DVDD - Digital power(+5.0V).
98~100 D GND - Digital ground.
101 EFMO OUT O EFM output.
102 WFCK O Write frame pulse.
103 RFCK O Reference frame pulse.
104 PLCK I Phase locked clock.
105 D GND - Digital ground.
106 PLOCK O Lock signal for PLL.
107 CLVLOCK O Lock signal for CLV.
108 SLOCK O Lock signal for servo.
109 MDP O Spindle motor phase control signal (3-STATE).
110 MDS O Spindle motor speed control signal (3-STATE).
111,112 D GND - Digital ground.
113 MON O Spindle motor output.
114 D GND - Digital ground.
115 FSW O Spindle motor output (3-STATE).
116 EFMO I EFM/EFM+signal input.
117~119 DVDD - Digital power(+5.0V).
120 CK16M O CK33Ms 2 division clock/16.9344MHz.
121 EMPHA O "H",when on deemphasis.
122 BCA I BCA input signal.
123 D GND - Digital ground.
124 MRST I Hardware reset (Active low).
125 ZWAIT O Micom read /write access wait (Wait at L).
126 ZIRQZD O Interrupt request to micom.
127 RD I Micom read strobe (Active low).
128 WR I Micom write strobe (Active low)
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299