- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄30737 > LC8954 SPECIALTY CONSUMER CIRCUIT, PQFP128 PDF資料下載
參數(shù)資料
| 型號： | LC8954 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封裝： | QFP-128 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 50K |
| 代理商： | LC8954 |
Continued from preceding page.
Type: I: Input pin, O: Output pin, B: Bi-directional pin, P: Power supply pin
No. 4127-5/7
LC8954
Pin No.
Pin
Type
Function
26
RA13
O
27
RA14
O
RAM address outputs
28
RA15
O
29
ZRWE
O
RAM write enable
30
ZROE
O
RAM read enable
31
IO0
B
Data buffer RAM data I/O
32
IO1
B
33
VSS
P
34
IO2
B
35
IO3
B
36
IO4
B
Data buffer RAM data I/O
37
IO5
B
38
IO6
B
39
IO7
B
40
ERA
B
Data buffer RAM erasure flag I/O
41
EXTAL
I
Crystal oscillator connection
42
XTAL
O
43
TEST0
I
44
TEST1
I
Test pins: Normally tied low
45
TEST2
I
46
MCK
O
47
LRCK
I
CD-DSP connection
48
SDATA
I
49
VDD
P
50
BCK
I
CD-DSP connection
51
C2PO
I
52
WFCK
I
53
EXCK
O
Subcode I/O
54
SBSO
I
55
SCOR
I
56
CEMPHAS
I
Connects to the CD-DSP EMPHASIS pin
57
SD0
B
58
SD1
B
59
SD2
B
60
SD3
B
Sub-CPU data signal pins: Built-in pull-up resistors
61
SD4
B
62
SD5
B
63
SD6
B
64
SD7
B
65
VDD
P
66
ZRESET
I
Reset pin: Hold low for at least 1 s
67
SCPUCNT
I
Sub-CPU I/F selection
68
SUA0
I
69
SUA1
I
70
SUA2
I
Sub-CPU register selection address
71
SUA3
I
72
SUA4
I
73
SUA5
I
74
ZSWAIT
O
Sub-CPU wait signal
75
ZINT
O
Sub-CPU interrupt signal
76
RS (ALE)
I
Internal register set
77
ZRD
I
Sub-CPU read
78
ZWR
I
Sub-CPU write
79
ZCS
I
Sub-CPU chip select
80
D0
B
Host CPU data bus
Continued on next page.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC8955 | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| LC8956 | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| LC89581 | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| LC895925 | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| LC895926 | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC8955 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CD-1 Format ADPCM Data Replay LSI |
| LC8956 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Error Correction and ADPCM Decoder IC for CD-1/CD-ROM XA Systems |
| LC89560-3151 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-ROM Interface |
| LC89560-3181 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-ROM Interface |
| LC89561-3151 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-ROM Interface |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。