參數(shù)資料
型號(hào)： SAA7818HL
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 消費(fèi)家電
英文描述： DVD and CD playback IC
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝： 28 X 28 MM, 1.40 MM HEIGHT, PLASTIC, SOT-459-1, MS-026, LQFP-208
文件頁(yè)數(shù)： 7/30頁(yè)
文件大小： 118K
代理商： SAA7818HL
9397 750 14312
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 25 November 2004
7 of 30
Philips Semiconductors
SAA7818HL
DVD and CD playback IC
UOPT
SIN_PHI
COS_PHI
XDET
ACT_EMFP
ACT_EMFN
V
DDA3
UOPB
V
SSA3
D1
D2_TLN
D3_REN
D4_FEN
S1_MIRN
S2
V
RIN
FTCH
V
SSD(P2)
V
DDD(P2)
P5_7_DEFO_N
P5_6_DEFI_N
P5_5_TL
P5_4_RP_FOK
P5_3_CE1
P5_2_CLO
P5_1_SDA
P5_0_SCL
SCCLK
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
AI
AI
AI
AI
AI
AI
P
AI
P
AI
AI
AI
AI
AI
AI
AI/O
AI
P
P
B
B
B
B
B
B
B
B
O
upper reference input voltage for ADC ladder
sine input from hall detectors
cosine input from hall detectors
auxiliary ADC input
EMF of the actuator; positive input
EMF of the actuator; negative input
analog supply voltage 3 (3.3 V)
decoupling point for ADC ladder
analog ground 3
diode input 1
diode input 2 or normal track-loss signal
diode input 3 or normal radial error signal
diode input 4 or normal focus error signal
satellite diode input 1/normal mirror signal
satellite diode input 2
I/O reference voltage for servo ADC
track count input
digital ground 2 for the pad cells
digital supply voltage 2 for the pad cells (3.3 V)
defect output or general purpose I/O
defect input or general purpose I/O
track-loss measure output or general purpose I/O
radial polarity or focus OK or general purpose I/O
CS external SRAM or general purpose I/O
servo clock output or general purpose I/O
I
2
C-bus data or general purpose I/O
I
2
C-bus clock or general purpose I/O
internal/external microcontroller clock
[mace_debug = int1 (PLUM)]
digital supply voltage 3 for the pad cells (3.3 V)
digital ground 3 for the pad cells
radial output (3-state during reset)
focus output (3-state during reset)
sledge output (3-state during reset)
disconnects radial actuator (1 = disconnect)
PDM reference signal output; removes DC offset
from sin_phi
PDM reference signal output; removes DC offset
from cos_phi
digital supply voltage 4 for the pad cells (3.3 V)
digital ground 4 for the pad cells
M/T
M/T
M/T
M/T
M/T
M/T
M/T
M/T
V
DDD(P3)
V
SSD(P3)
RA
FO
SL
RAC_SW
REF_SIN
51
52
53
54
55
56
57
P
P
O
O
O
O
O
M
M
M
M
M
REF_COS
58
O
M
V
DDD(P4)
V
SSD(P4)
59
60
P
P
Table 3:
Symbol
Pin description
…continued
Pin
Type
[1]
Drive/
threshold
Description
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