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KX-W8040
12
CIRCUIT DESCRIPTION
V0 3.
Pin. Now) | WOS))
2 Names Use
et
PUNTO
ea
| 1 | 0 | CCRSWNOR | CCRS/normal switching
HH: CCRS__L: NORMAL __
| 2
OSC/NOR
AUTOBIAS/normal switching
H: AUTOBIAS
L: NORMAL
DOLBY B/C
Dolby B/C switching
H: B TYPE
L: C TYPE
Dolby REC/PLAY switching
H: PLAY
L: REC
Tr 6
MPX on/off control
H: MPX ON
L: MPX OFF
| 8
[|
|
A recording equalization switching
| 9 |
A RECMUTE
A recording mute control
H: REC MUTE OFF
_L: REC MUTE ON
B RECMUTE
B recording mute control
H: REC MUTE OFF
L: REC MUTE ON
Data output pin. Connect to the data pin of I/O expander 3.
Connect to VDD (+5V).
H: NORMAL
L: ALL ports are low
Connect to the EXRST pin of the microprocessor.
H: NORMAL
L: ALL ports are low
Clock input pin. Connect to the EXCLK pin of the microprocessor
Power supply pin. Connect to +5V.
| O |
20%)
Ore
Ors
| O
Oe
om
|_ O |
=
P ii [| O |
|
Brrecording equalization switching H:CrO2__L: NOT METAL __ |
| O |
| O
| Oo
ale
ee
ie
ee
ae!
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