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MSM6652 Arkusz danych(PDF) 10 Page - OKI electronic componets

Numer części MSM6652
Szczegółowy opis  Internal Mask ROM Voice Synthesis IC, Internal One-Time-Programmable OTP ROM Voice Synthesis IC, External ROM Drive Voice Synthesis IC
PDF  45 Pages
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Producent  OKI [OKI electronic componets]
Strona internetowa  http://www.oki.com
Logo OKI - OKI electronic componets

MSM6652 Arkusz danych(HTML) 10 Page - OKI electronic componets

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¡ Semiconductor
MSM6650 Family
FEDL6650-03
PIN DESCRIPTIONS
1. MSM6652/53/54/55/56-xxx, MSM6652A/53A/54A/55A/56A/58A-xxx
18-Pin plastic DIP
Symbol Type
Description
RESET
OSC2
OSC3
Reset. Setting this pin to "L" puts the LSI in standby status. At this time,
oscillation stops, AOUT is pulled to GND, and the deveice is initialized.
This pin has an internal pull-up resistor.
I
O
O
RND
SW0-SW3
A0-A2
I
I
I
BUSY
O
XT/
CR
I
Busy. This pin outputs a "L" level during playback. At power-on, this pin is at "H"
level.
XT/
CR selectable pin. Set to "H" level when using ceramic oscillation. Set to
"L" level when using RC oscillation.
AOUT
O
Sound Output. This is the synthesized output pin of the internal low-pass filter.
Oscillator 1. This pin is a ceramic oscillator connection pin when using ceramic
oscillation. This pin is an RC connection pin when using RC oscillation.
When using an external clock, use this pin as the clock input.
OSC1
I
Oscillator 2. This pin is a ceramic oscillator connection pin when using a
ceramic oscillator. This is an RC connection pin when using RC oscillation.
Leave open if using an external clock. OSC2 outputs a "L" level in standby status.
Oscillator 3. Leave open if using a ceramic oscillator. This pin is the RC
connection pin when using RC oscillation. When RC oscillation is selected, OSC3
outputs a "H" level in standby status.
Random Playback. Random playback starts when the
RND pin is set to a "L"
level. At the fall of
RND, addresses from the random address playback circuit
inside the IC are fetched. Set to a "H" level if random playback is not used.
This pin has an internal pull-up resistor.
Phrase Inputs. These pins are phrase input pins corresponding to playback.
If the input changes, SW0 to SW3 pins capture address data after 16 ms and
speech playback commences. These pins have internal pull-down resistors.
Phrase Inputs. Phrase input pins correspoding to playback. The A0 input
becomes invalid when the random playback function is used.
TEST
I
Test Mode. Set to "H" level. This pin has an internal pull-up resistor.
Pin
5
12
13
14
15-18
1-3
6
7
8
11
4
GND
—
Ground.
VDD
—
Power supply. Insert a 0.1
mF or more bypass capacitor between this pin and GND.
9
10



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