MB86434 Datasheet, PDF (8/38 Pages) Fujitsu Component Limited. – 5V Single Power Supply Audio Interface Unit (AIU)

MB86434
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Control
segment
SW10
SW12
SW11
SW2
SW14
Serial/
parallel
converter
Address Data bit
Setting description
A3 A2 A1 A0 D4 D3 D2 D1 D0
D0: SWI-SWO switch SW 10 on/off
control.
On: 1, Off: 0
D1: DSDT pin selection SW 12 on/off
control.
On: 1, Off: 0
0
1
1
1
D4 D3 D2 D1 D0
D2: Envelope generator
generate envelope (SW11 Off): 1
no envelope (SW11 On): 0
D3: TONEO mute SW 2 on/off control.
Mute: 1, Unmute: 0
D4: TONE sending add SW 14 on/off
control.
On: 1, Off: 0
1 000
*
D3 D2 D1 D0
Parallel output D3 = LO3, D2 = LO2,
D1 = LO1, D0 = LO0
Initial data bit
setting (at reset) _Remarks
D4 D3 D2 D1 D0
*3, *6
*3, *5
0 0 0 0 0 _{*3, *7}
*8
*0 0 00
*9
EV3
Fre-
quency
control
Output
control
Master
clock
control
PCM
1 0 0 1 D4 D3 D2 D1 D0 ^{Tone level adjustment. Adjusts EV3 gain.}
1 0 1 0 X8 X7 X6 X5 X4 ^{Tone (1) frequency control, set by 8-bit}
value X7 to X0.
1 011
*
X7 X6 X5 X4
X8 = 1 to output trapezoidal wave, X8 = 0 to
output sine wave.
1 1 0 0 Y8 Y7 Y6 Y5 Y4 ^{Tone (2) frequency control, set by 8-bit}
value Y7 to Y0.
1 1 0 1 * Y3 Y2 Y1 Y0 ^{Y8 = 1 to output trapezoidal wave, Y8 = 0 to}
output sine wave.
Tone generator control
D0: tone (2) on/off control. On: 1, off: 0
D1: tone (1) on/off control. On: 1, off: 0
D2: LED output on/off control. On: 1, off: 0
Tone CLK
1 1 1 0 D4 D3 D2 D1 D0 _{D4, D3}
0 0 : FTCLK1/1 frequency selected
0 1 : FTCLK1/2 frequency selected
1 0 : FTCLK1/4 frequency selected
1 1 : Prohibited
PCM control
D1, D0
1 1 1 1 * * * D1 D0 ⁰
1
0 : µ-law mode selected
0 : A-law mode selected
0 1 : linear mode selected
01 1 11
00 0 00
* 0 0 10
00 0 00
* 0 0 10
00 1 11
* * * 00
*1
*10, *11
*7, *8,
*12
*10
*13, *14
TEST
0 0 0 0 D4 D3 D2 D1 D0 ^{Do not write in test mode.}
00 0 00
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