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STLC1502 データシート(PDF) 67 Page - STMicroelectronics

部品番号 STLC1502
部品情報  VOICE OVER IP PROCESSOR
PDF  81 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLC1502 データシート(HTML) 67 Page - STMicroelectronics

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STLC1502
10.0 PCM Interface
The PCM interface is used to actually send and receive voice samples.
On the other side, the PCM Block has an interface to the D950 Xbus.
Moreover two other signals to feed the master clock and the hardware reset are present.
Address
Register Name
R/W
Notes
DPORT_regBase+ 0x0
ARM_MAILBOX
R
It contains the pending inter-
rupt requests that notify to the
D950 has a message coming
from the ARM to read. There
is an interrupt line for each
message class
DPORT_regBase+ 0x1
ARM_MAILBOX_M
ASK
R/W
It contains the mask for the
ARM_MAILBOX
DPORT_regBase+ 0x2
D950_MAILBOX
R
It contains the pending inter-
rupt requests that notify to the
ARM has a message coming
from the D950 to read. There
is an interrupt line for each
message class
DPORT_regBase+ 0x3
D950_MAILBOX_
MASK
R
It contains the mask for the
D950_MAILBOX



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