APR6008 View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

APR6008

Voice Recording & Playback Device 8 Minute Duration

APLUS INTEGRATED CIRCUITS 

APR6008

Reading Digital Data

Digital data is read from the device using the DIG_READ

command. To read data you must send a DIG_READ com-

mand immediately followed by 3012 don’t care bits during the

same /CS cycle. The data previously stored in the specified

sector will begin to appear on the DO pin after the current

device status or SID and four buffer bits. The next 3004 bits

are the previously stored data. The first bit shifted out is the

first bit that was written. The last bit shifted out is the last bit

that was written. There are four random don’t care bits follow-

ing the 3004 bits of user data.

An incomplete read of the sector is allowed. An incomplete

read is defined a a read with less than 3032 clock cycles. All

incomplete read cycles require one extra SCLK cycle after

the /CS signal returns high.

Figure 12 shows a timing diagram which describes the entire

process for a complete sector read. All timing with the excep-

tion of TpSCLK should adhere to the specifications given in

Figure 4 and Figure 7. The TpSCLK specification is replaced

by the DTpSCLK when reading digital data.

Figure 12 Reading Digital Data

SCLK

/C S

Total 3032 clock cycles

DI

DIG_READ COMMAND

3012 don’t Care Bits

DO

SID or CDS

X XX X

3004 bits of previously stored data

X XXX

Voice Recording & Playback Device

Revision 2.1

Page 11

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