25
D-107
24 MDATA1 I/O DRAM data bus
25 MDATA2 I/O DRAM data bus
26 MDATA3 I/O DRAM data bus
27 MDATA4 I/O DRAM data bus
28 MDATA5 I/O DRAM data bus
29 MDATA6 I/O DRAM data bus
30 MDATA7 I/O DRAM data bus
31 DVDD3 DRAM I/F power (3.3V)
32 VSS GND
33 MDATA8 I/O DRAM data bus
34 MDATA9 I/O DRAM data bus
35 MDATA10 I/O DRAM data bus
36 MDATA11 I/O DRAM data bus
37 MDATA12 I/O DRAM data bus
38 MDATA13 I/O DRAM data bus
39 MDATA14 I/O DRAM data bus
40 MDATA15 I/O DRAM data bus
41 RASB O DRAM RAS output
42 WEB O DRAM WE output
43 CASLB O DRAM CAS output (Lower Byte)
44 CASUB O DRAM CAS output (Upper Byte)
45 OEB O DRAM OE output
46 MADRS12 O DRAM Address output
47 MADRS11 O DRAM Address output
48 MADRS10 O DRAM Address output
49 MADRS9 O DRAM Address output
50 MADRS8 O DRAM Address output
51 DVDD4 DRAM I/F power (3.3V)
52 VSS GND
53 MADRS7 O DRAM Address output
54 MADRS6 O DRAM Address output
55 MADRS5 O DRAM Address output
56 MADRS4 O DRAM Address output
57 MADRS3 O DRAM Address output
58 MADRS2 O DRAM Address output
59 MADRS1 O DRAM Address output
60 MADRS0 O DRAM Address output
61 DVDD5 Internal power (1.7V)
62 VSS GND
63 STREQ I/O MP3 data request flag in/output
64 STCK I/O MP3 data transfer clock in/output
65 STDAT I/O MP3 data serial in/output
66 FSYNC O MP3 frame sync sig.
67 CRCF O CRC flag out / MP3 data out enable flag
68 DVDD6 µcom I/F power (3.3V)
69 VSS GND
70 WOK I DRAM write act. flag / MP3 data req. flag input
71 CNTOK O Data link chk-end flag / MP3 data serial output
72 OVF O DRAM write off flag / MP3 data trans. clock output
73 CMDOUT O Command serial data output
74 CMDIN I Command serial data input
75 CL I Command serial clock input
76 CE I Command enable input
77 INTB O Interrupt sig. output
78 RESB I System reset
79 DATAIN I CD serial data input
80 DATACK I CD bit clock input
Function
I/O
Pin
No.
Symbol
60
59
58
57
56
55
54
53
52
51
50
49
48
47
45
46
44
43
42
41
MADRS0
MADRS1
MADRS2
MADRS3
MADRS4
MADRS5
MADRS6
MADRS7
VSS
DVDD4
MADRS8
MADRS9
MADRS10
MADRS11
OEB
MADRS12
CASUB
CASLB
WEB
RASB
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
MDATA15
MDATA14
MDATA13
MDATA12
MDATA11
MDATA10
MDATA 9
MDATA 8
VSS
DVDD3
MDATA 7
MDATA 6
MDATA 5
MDATA 4
MDATA 3
MDATA 2
MDATA 1
MDATA 0
VSS
DVDD2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
LRSY
ADDATA
ADBCK
ADLRCK
C2FIN
VSS
CKIN
VSS
CKOUT
VSS
DVDD1
PW
SBSY
SFSY
SBCK
AVDD
VPRFR
VCOC
VPDO
AVSS
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DVDD5
VSS
STREQ
STCK
STDAT
FSYNC
CRCF
DVDD6
VSS
WOK
CNTOK
OVF
CMDOUT
CMDIN
CL
CE
INTB
RESB
DATAIN
DATACK
TOP VIEW
LC78683E Terminal Function
LC78683E (IC203)
Function
I/O
Pin
No.
Symbol
1 LRSY I CD L/R clock input
2 ADDATA O Audio data output
3 ADBCK O Audio bit clock output
4 ADLRCK O Audio L/R clock output
5 C2FIN I CD C2 flag input
6 VSS GND
7 CKIN I System clock (16.9344MHz) input
8 VSS GND
9 CKOUT O Clock (384Fs) output
10 VSS GND
11 DVDD1 I/O power (3.3V)
12 PW I Sub-code data serial input
13 SBSY I Sub-code block sync sig. input
14 SFSY I Sub-code frame sync sig. input
15 SBCK O Sub-code serial clock output
16 AVDD Analog (PLL) power (3.3V)
17 VPRFR VCO osc. range setting pin
18 VCOC VCO control V input
19 VPDO VCO charge pump output
20 AVSS Analog (GND)
21 DVDD2 Internal power (1.7V)
22 VSS GND
23 MDATA0 I/O DRAM data bus
24
2LC78683.p65 02/01/15, 17:05Page 24-25 AdobePageMaker6.5J/Win
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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