TC9446FG Datasheet, PDF (6/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio

Pin
No.
Symbol
I/O
Description of Pin Functions
78
AD14
O Address output-14 for external SRAM
79
AD15
O Address output-15 for external SRAM
80
AD16
O Address output-16 for external SRAM
81
V_SS
⎯ Digital ground
82
PO0
O General output port-0
83
PO1
O General output port-1
84
PO2
O General output port-2
85
PO3
O General output port-3
86
PO4
O General output port-4
87
PO5
O General output port-5
88
PO6
O General output port-6
89
PO7
O General output port-7
90
V_DDDL
⎯ Power supply for DLL circuit
91
LPFO
O Low pass filter output for DLL circuit
92
DLON
I DLCKS pin
DLON pin
DLL clock setting
“L”
“L”
93
DLCKS
I
“H”
“H”
“L”
SCKI input (DLL = off)
“H”
4^th times of XI clock
“L”
3^rd times of XI clock
“H”
6^th times of XI clock
94
SCKO
O ASP clock output
95
V_SSDL
⎯ Ground for DLL circuit
96
SCKI
I External system clock input
97
V_SSX
⎯ Ground for crystal oscillator
98
XO
O Crystal oscillator output
99
XI
I Crystal oscillator input
100
V_DDX
⎯ Digital power supply
TC9446FG
Remarks
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
6
2005-09-28