MB86437 Datasheet, PDF (8/35 Pages) Fujitsu Component Limited. – 3 V Single Power Supply Audio Interface Unit (AIU)

MB86437
(Continued)
Data Address Meaning
A13 10011 EV8, EV6 gain
A14 10100 EV4 gain
Data Setting
After a Reset
D4 D3 D2 D1 D0
D4
1 X 0 1 1 EV8 gain
1: 10 dB
0: 0 dB
X X 0 1 1X
A15 10101 EV9, EV5 gain
A16 10110 SW15, 16
control
1 X 0 1 1 EV9 gain
1: 6 dB
0: 0 dB
X X X 0 0X
A17 10111 All PD
X X X X 1X
Data Meaning
D3
X
D2
D1
D0
EV6 [000: –14 dB to 111: 0 dB,
step 2 dB, Reset: –8 dB]
X
EV4 [000: –30 dB to 111: 0 dB,
step 5 dB, Reset: –15 dB]
X
EV5 [000: –11 dB to 111: –18 dB,
step 1 dB, Reset: –14 dB]
X
X
SW15
SW16 * 1
1: AMP5 1:
0: AMP4 Envelope
0: ATT
X
X
X
All circuits
PD
1: Normal
0: PD
Notes: 1. When unused, connect the MDI input to OPEN or SGC. When using ATT, an SGC-centered signal or
capacitive coupling is required (to prevent an offset).
2. Set X to 0.
3. Set to initial value by a reset (____ section).
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