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TC9446FG Datasheet, PDF (5/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio
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Pin
No.
Symbol
I/O
Description of Pin Functions
36 TSTSUB0
I Test sub input-0 (L: test, H: normal operation)
37
FCONT
O Frequency control output for VCO circuit
38
TSTSUB1
I Test sub input-1 (L: test, H: normal operation)
39 TSTSUB2
I Test sub input-2 (L: test, H: normal operation)
40
PDO
O Phase detect signal output
41
VDDA
⎯ Analog power supply
42
PLON
I Clock selection input (L: external clock, H: VCO clock)
43
AMPI
I Amplifier input for Low pass filter
44
AMPO
O Amplifier output for Low pass filter
45
CKI
I External clock input
46
VSSA
⎯ Analog ground
47
CKO
O DIR clock output
48
LOCK
O VCO lock output
49
VSS
⎯ Digital ground
50
WR
O Write signal output for external SRAM
51
OE
O Enable signal output for external SRAM
52
CE
O Chip enable signal output for external SRAM
53
VDD
⎯ Digital power supply
54
IO7
I/O Data I/O-7 for external SRAM
55
IO6
I/O Data I/O-6 for external SRAM
56
IO5
I/O Data I/O-5 for external SRAM
57
IO4
I/O Data I/O-4 for external SRAM
58
IO3
I/O Data I/O-3 for external SRAM
59
IO2
I/O Data I/O-2 for external SRAM
60
IO1
I/O Data I/O-1 for external SRAM
61
IO0
I/O Data I/O-0 for external SRAM
62
VSS
⎯ Digital ground
63
AD0
O Address output-0 for external SRAM
64
AD1
O Address output-1 for external SRAM
65
AD2
O Address output-2 for external SRAM
66
AD3
O Address output-3 for external SRAM
67
AD4
O Address output-4 for external SRAM
68
AD5
O Address output-5 for external SRAM
69
AD6
O Address output-6 for external SRAM
70
AD7
O Address output-7 for external SRAM
71
VDD
⎯ Digital power supply
72
AD8
O Address output-8 for external SRAM
73
AD9
O Address output-9 for external SRAM
74
AD10
O Address output-10 for external SRAM
75
AD11
O Address output-11 for external SRAM
76
AD12
O Address output-12 for external SRAM
77
AD13
O Address output-13 for external SRAM
5
TC9446FG
Remarks
Pull-up resistor,
Schmitt input
Tri-state output
Pull-up resistor,
Schmitt input
Pull-up resistor,
Schmitt input
Tri-state output
Pull-up resistor,
Schmitt input
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
Pull-up resistor
2005-09-28
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