PSB7238 datasheet(43/190 Pages) SIEMENS

部件名	PSB7238

功能描述	Joint Audio Decoder-Encoder - Multimode

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制造商	SIEMENS [Siemens Semiconductor Group]

网页	http://www.siemens.com/

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PSB 7238

Interfaces and Memory Organization

Semiconductor Group

43

Data Sheet 1998-07-01

61

H

Cntrl Host

→

DSP MSB

Cntrl DSP

→

Host MSB

60

H

Cntrl Host

→

DSP LSB

Cntrl DSP

→

Host LSB

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

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 12

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

类似零件编号 - PSB7238

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