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Page 10
Single-Chip Voice Recording & Playback Device for Multiple 40- to 60-Second Messages
.
Table 1
Pin Name
Pin
No.
Functionality in Random
Access Mode
Functionality in Tape Mode
Normal Option
Auto Rewind Option
/M1_Messsage
1
Message 1: This pin forces a
jump to message 1 for either
recording or playback.
Message: A low edge on this pin
plays or records the next message.
Message: A low edge on this pin
plays or records the current mes-
sage.
/M2_Next
2
Message 2: This pin forces a
jump to message 2 for either
recording or playback.
Next Message: This active low input
pin forces a skip to the next message
for either playback or recording
This pin should be left unconnected
when the device is used in this
mode.
/M3
3
Message 3: This pin forces a
jump to message 3 for either
recording or playback.
This pin should be left unconnected
when the device is used in this
mode.
This pin should be left unconnected
when the device is used in this
mode.
/M4
4
Message 4: This pin forces a
jump to message 4 for either
recording or playback
This pin should be left unconnected
when the device is used in this
mode.
This pin should be left unconnected
when the device is used in this
mode.
/M5
5
Message 5: This pin forces a
jump to message 5 for either
recording or playback.
This pin should be left unconnected
when the device is used in this
mode.
This pin should be left unconnected
when the device is used in this
mode.
/M6
6
Message 6: This pin forces a
jump to message 6 for either
recording or playback.
This pin should be left unconnected
when the device is used in this
mode.
This pin should be left unconnected
when the device is used in this
mode.
OscR
7
Oscillator Resistor: this input
allows an external resistor to
be connected to the tank cir-
cuit of the internal oscillator.
Refer to table X for a list of
resistors and their resultant
sampling rates.
Same as Mode 1.
Same as Mode 1.
/M7_END
8
Message 7: This pin forces a
jump to message 7 for either
recording or playback.
During playback a low level on this
pin indicates that all recorded mes-
sages have been played. During
recording a low level on this pin indi-
cates that the end of the memory
array was reached.
During playback a low level on this
pin indicates that all recorded mes-
sages have been played. During
recording a low level on this pin indi-
cates that the end of the memory
array was reached.
/M8_Option
9
Message 8: This pin forces a
jump to message 8 for either
recording or playback.
Option: This pin in conjunction with
MSEL1 and MSEL2 sets record and
playback operating mode. Consult
table 1 for decoding information.
MSEL1 and MSEL2 sets record and
playback operating mode. Consult
table 1 for decoding information.
/Busy
10
This pin indicates that the
device is currently busy per-
forming internal functions and
can neither record nor play-
back at the current time.
Same as Mode 1.
Same as Mode 1.
BE
11
If this pin is pulled high Beep is
enabled. If this pin is pulled low
beep is disabled
Same as Mode 1.
Same as Mode 1.
VSSD
12
Digital GND Connection: Con-
nect to system ground.
Same as Mode 1.
Same as Mode 1.
VSSA
13
Analog GND Connection: Con-
nect system ground.
Same as Mode 1.
Same as Mode 1.
Pin Descriptions
APR9600
APLUS