TC9404FNG Datasheet, PDF (3/15 Pages) Toshiba Semiconductor – Σ-Δ Modulation System DA Converter with Analog Filter

Pin Function
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
V_DD
T1
P/ S
V_DA
RO
GNDA
VR
GNDA
LO
V_DA
ZD
GNDD
MCK
GNDX
I/O
Function
⎯ Digital block power supply pin.
I Test pin. Always set to “Low” level.
I Parallel/serial mode select pin.
⎯ Analog power supply pin.
O Right channel analog signal output pin.
⎯ Analog GND pin.
⎯ Reference voltage pin.
⎯ Analog GND pin.
O Left channel analog signal output pin.
⎯ Analog power supply pin.
O Digital zero detection output pin.
⎯ Digital GND pin.
O System clock output pin.
⎯ Crystal oscillator GND pin.
15
XI
I
Crystal oscillator connecting pin.
Generates the clock required by the system.
16
XO
O
17
V_DX
⎯ Crystal oscillator power supply pin.
18
LATCH
(BS)
Serial mode: Data latch signal input pin.
I
Parallel mode: De-emphasis filter mode select pin.
19
SHIFT
(EMP)
Serial mode: Shift clock input pin.
I
Parallel mode: De-emphasis filter control pin.
Serial mode: Data input pin.
20
ATT (SM) I
Parallel mode: Soft mute control pin.
Standard/double speed operation mode switching pin.
21
HS
I
Standard operation at “H”, double speed operation at “L”.
22
DATA
I Audio data input pin.
23
BCK
I Bit clock input pin.
24
LRCK
I LR clock input pin.
TC9404FNG
Remarks
Schmitt input
Schmitt input
Schmitt input
3
2006-04-27