TC94A48FG Datasheet, PDF (4/36 Pages) Toshiba Semiconductor – Single-chip Audio Digital Signal Processor

TC94A48FG
Pin
Symbol
I/O
No.
Function
System clock output pin
34
MCKO
O
It leaves to open when if it is unused.
General-purpose output pin 1
35
GPO1
O
It leaves to open when if it is unused.
General-purpose output pin 0
36
GPO0
O
It leaves to open when if it is unused.
37
GND
－ Digital ground pin
Remarks
Push-pull output
Open-drain output
5V tolerant
Open-drain output
5V tolerant
38
V_DD
－ Digital power pin
General-purpose input pin 1
Schmitt input
39
GPI1
I
It connects to GND or V_DD pins when if it is unused this pin.
5V tolerant
General-purpose input pin 0
Schmitt input
40
GPI0
I
It connects to GND or V_DD pins when if it is unused this pin.
5V tolerant
41
/MICS
I Microcontroller interface: Chip select signal input pin
Schmitt input
5V tolerant
42
/MICK
Microcontroller interface: Clock input pin
I
Schmitt input
5V tolerant
43
/MIDIO
I/O Microcontroller interface: Data input/output pin
Schmitt input / Open-drain
output, 5V tolerant
44
/MIACK
O Microcontroller interface: Acknowledge signal output pin
Open-drain output
5V tolerant
45
MILP
I Microcontroller interface: Latch pulse input pin
Schmitt input
5V tolerant
46
GNDP
－ Ground pin for PLL
47
PLLC
I Charge pump for PLL
48
V_DDP
－ Power pin for PLL
Boot mode setting pin
Schmitt input
49
BTMD
I It is set to “L” when if software specification does not indicate 5V tolerant
since there is deference by each program ROMs.
50
MIMD
I Microcontroller interface: Mode select input pin
Schmitt input
5V tolerant
51
/RST
I Reset input pin
Schmitt input
5V tolerant
52
V_DD
－ Digital power pin
53
GND
－ Digital ground pin
54
TEST1
55
TEST0
Test setting pin 1
I
Usually it connects to GND pins.
Test setting pin 0
I
Usually it connects to GND pins.
Schmitt input
5V intolerant
Schmitt input
5V intolerant
56
GNDL
－ Ground pin for ADC-Lch
57
LIN
I ADC-Lch signal input pin
58
AVDL
I Reference voltage pin for ADC-Lch
59
V_DDA
－ Analog power pin for ADC
60
ADVR
I Reference voltage pin for ADC-Rch
61
RIN
I ADC-Rch signal input pin
62
GNDR
－ Ground pin for ADC-Rch
63
GNDX
－ Ground pin for oscillator circuit
64
XI
I Crystal oscillator connecting or clock input pin
5V intolerant
Note 1: 5V tolerant pins can have voltage applied even when the power to the device is turned off.
4
2005-09-28