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PSB7280 Datasheet(PDF) 45 Page - Siemens Semiconductor Group

Part # PSB7280
Description  Joint Audio Decoder-Encoder
Download  190 Pages
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Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

PSB7280 Datasheet(HTML) 45 Page - Siemens Semiconductor Group

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PSB 7280
Semiconductor Group
45
Data Sheet 1998-07-01
0F
H
reseved
0E
H
reseved
58
H
INDB (LSBit)
IND Interrupt
Status
50
H
INH Interrupt
Status
INHB(LSBit)
4C
H
Mailbox IO
write
Mailbox IO
read
09
H
Data register
Data register
4A
H
Mailbox write address
08
H
Address
register
Address
register
48
H
Mailbix read address
07
H
Interrupt INT
Mask MSB
Interrupt INT
Status MSB
06
H
Cntrl Host
→ DSP MSB
Cntrl DSP
→ Host MSB
47
H
Ext. Memory
Data high
05
H
Cntrl Host
→ DSP LSB
Cntrl DSP
→ Host LSB
46
H
Ext. Memory
Data low
04
H
INDB (LSBit)
IND Interrupt
Status
45
H
Ext. Memory
Addr high
03
H
INH Interrupt
Status
INHB (LSBit)
44
H
Ext. Memory
Addr low
02
H
Mailbox IO
write
Mailbox IO
read
01
H
Mailbox write address
41
H
Reg Data
Host
→ DSP
Reg Data
DSP
→ Host
00
H
Mailbox read address
40
H
Conf/Cont
Reg Address
RDY(LSBit)
Table 11
Address Mapping of Multiplexed/Demultiplexed
Host Interface (cont’d)
Address
A0-3
Demultiplexed Mode
Data D0-7
Address
AD0-7
Multiplexed Mode
Data AD0-7
Host Write
Host Read
Host Write
Host Read


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