NJU26125VC2 NJRC [New Japan Radio], NJU26125VC2 Datasheet - Page 17

• Manufacturer Part Number: NJU26125VC2
• Description: Seat Positioning Surround Decoder
• Manufacturer: NJRC [New Japan Radio]

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Note: If input and output of an audio signal stop and an audio interface stops, WDC can’t output.
Ver.2010-07-01
Pin setting
WatchDog Clock
The NJU26125 operates default command setting after resetting the NJU26125. In addition, the NJU26125
restricts operation at power on by setting PROC pin (No.17) (Table 15). This pin is input pin. However, this pin
operates as bi-directional pin. Connect with V
Table 15
The NJU26125 outputs clock pulse through WDC (No.18) pin during normal operation.
The NJU26125 generates a clock pulse through the WDC terminal after resetting the NJU26125. The WDC
clock is useful to check the status of the NJU26125 operation. For example, a microcomputer monitors the
WDC clock and checks the status of the NJU26125. When the WDC clock pulse is lost or not normal clock cycle,
the NJU26125 does not operate correctly. Then reset the NJU26125 and set up the NJU26125 again.
Watchdog clock output cycle is about 100msec.
That is because it has controlled based on the signal of an audio interface.
Pin No. Symbol
17
PROC
Pin setting
Setting
“High”
“Low”
Function
The NJU26125 does not operate after reset. Sending start
command is required for starting operation.
The NJU26125 operates default setting after reset. The default
value of Master Volume is Mute.
DD
or V
SS
through 3.3k
Ω
resistance.
NJU26125
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