MB86435PFV Просмотр технического описания (PDF) - Fujitsu

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MB86435PFV

3 V Single Power Supply Audio Interface Unit (AIU)

Fujitsu 

MB86435

• Tone Output Waveform

The D4 data bit at address 1010, 1100 may be used to select either sine-wave or trapezoidal waveforms for tone

output.

VH

D 4=0

Sine wave

output

VL

1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5

VH

D 4=1

Trapezoidal wave

output

VL

• Tone Output Control

Tone output may be controlled by address and through the external tone control input pin TONC. In addition, the

tone control offers a choice of sine or trapezoidal waveforms.

Address 1110

DATA - - - D1 -

(Tone (1) control)

Address 1110

DATA - - - - D0

(Tone (2) control)

TONC

TONEO

SGC

Single tone

Dual tone

Single tone

: Disable

• LED Output Controls

Output from the LED output pins can be controlled by the TONC signal and the address 1110 data bit D2. When

the TONC signal is H-level, and the address 1110 data bit D2 value is L-level, the output level will be high. Output

levels are CMOS levels.

Address 1110

DATA - - D 2 - -

TONC

LED

: Disable

13

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