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2.Pin Function
Symbol
Pin No.
40
RFCT
41
RFZI
42
RFRP
43
FEI
44
SBAD
45
TSIN
46
TEI
47
TEZI
48
FOO
49
TRO
50
VREF
51
RFGC
52
TEBC
53
FMO
54
FVO
55
DMO
56
2VREF
57
SEL
58~61
FLGA~D
62
VDD
63
VSS
64~67
IO0~3
68
DMOUT
69
CKSE
70
DACT
71
TESIN
72
TESIO1
73
VSS
74
PXI
75
PXO
76
VDD
77
XVSS
78
XI
79
XO
80
XVDD
81
DVSR
82
RO
83
DVDD
84
DVR
85
LO
86
DVSL
87~89
TEST1~3
90~93
BUS0~3
94
VDD
95
VSS
96
BUCK
97
CCE
98
TEST4
99
TSMOD
100
RST
1‑31
I/O
RFRP signal center level input terminal
I
RFRP zero cross input terminal
I
RF ripple signal input terminal
I
Focus error signal input terminal
I
Sub-beam adder signal input terminal
I
Test input terminal Normally, keep at "vref" level
I
Tracking error signal input terminal. Take in at tracking servo ON.
I
Tracking error zero cross input terminal
I
Focus servo equalizer output terminal
O
Tracking servo equalizer output terminal
O
Analog reference voltage supply terminal
-
RF amplitude adjustment control signal output terminal
O
Tracking balance control signal output terminal
O
Feed equalizer output terminal
O
Speed error signal or feed search equalizer output terminal
O
Disk equalizer output terminal
O
Analog double reference voltage supply terminal
-
APC circuit ON/OFF indication signal output terminal
O
External flag output terminal for internal signal
O
Digital power supply voltage terminal
-
Digital GND terminal
-
General I/O terminal
I/O
This terminal control IO0~IO3 terminal
I
Normally, keep at open
I
DAC test mode terminal. Normally, keep at open
I
Test input terminal, Normally, keep at "L" level
I
Test input/output terminal. Normally, keep at "L" level
I
Digital GND terminal
-
Crystal oscillator connecting input terminal for DSP
I
Crystal oscillator connecting output terminal for DSP
O
Digital power supply voltage terminal
-
Oscillator GND terminal for system clock
-
Crystal oscillator connecting input terminal for system clock
I
Crystal oscillator connecting output terminal for system clock
O
Oscillator power supply voltage terminal for system clock
-
Analog GND terminal for DA converter (Rch)
-
R channel data forward output terminal
O
Analog supply voltage terminal for DA converter
-
Reference voltage terminal for DA converter
-
L channel data forward output terminal
O
Analog GND terminal for DA converter (Lch)
-
Test mode terminal . Normal keep at open
I
Micon interface data input/output terminal
I/O
Digital power supply voltage terminal
-
Digital GND terminal
-
Micon interface clock input terminal
I
Command and data sending/receiving chip enable signal input terminal
I
Test mode terminal. Normal, keep at open
I
Local test mode selection terminal
I
Reset signal input terminal. Reset at "L" level
I
Function
(PWM carrier=88.2kHz for DSP, Synchronize to PXO)
TC9462F(2/2)
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