PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 35
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PSB7238
Manufacturer Part Number
PSB7238
Description
Joint Audio Decoder-Encoder - Multimode
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PSB7238.pdf
(190 pages)
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Table 9
DSP
Address
3061
3060
3050
3058
Semiconductor Group
H
H
H
H
DSP Write
(always
16 bit Wide)
Cntrl DSP
Host MSB
Cntrl DSP
Host LSB
Note: Read and write
IND Interrupt
Status
INHB (LSBit)
Address Mapping of DSP/Host Com Area (Multiplexed Mode) (cont’d)
accesses to 3060
3061
are 8bit wide only.
H
from the DSP
DSP Read
(always
16 Bit Wide)
Cntrl Host
DSP MSB
Cntrl Host
DSP LSB
INDB (LSBit)
INH Interrupt
Status
H
and
35
Host
Address
AD0-7
6A
61
60
58
50
4C
4A
48
47
46
45
44
H
H
H
H
H
H
H
H
H
H
H
Interfaces and Memory Organization
H
Host Write
(always 8 bit
Wide)
reserved
Cntrl Host
DSP MSB
Cntrl Host
DSP LSB
INDB (LSBit)
INH Interrupt
Status
Mailbox IO
write
Ext. Memory
Data high
Ext. Memory
Data low
Ext. Memory
Addr high
Ext. Memory
Addr low
Mailbox write address
Mailbix read address
Data Sheet 1998-07-01
Host Read
(always 8 bit
Wide)
reserved
Cntrl DSP
Host MSB
Cntrl DSP
Host LSB
IND Interrupt
Status
INHB(LSBit)
Mailbox IO
read
PSB 7238
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