T8301 View Datasheet(PDF) - Agere -> LSI Corporation

Part Name

Description

Manufacturer

T8301

Internet Protocol Telephone Phone-On-A-Chip™ IP Solution DSP

Agere -> LSI Corporation 

T8301 Internet Protocol Telephone

Phone-On-A-Chip IP Solution DSP

Advance Data Sheet

December 2000

4 DSP1600 Core (continued)

Table 6. Data Memory Area: I/O, Register, and Memory (continued)

Address R/W

0x4042

R

0x4100:0x4107 R/W

0x4108:x410B R/W

0x410C:0x410F R/W

0x4110:0x41FF R/W

0x4200:0x43FF R

0x4400:0x45FF W

0x4600:0x47FF W

0x4800:0x4BFF R

0x4C00:0x4FFF W

0x5000:0x7FFF R/W

0x8000:0xBFFF R/W

DSP CS

I/O

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMLO

ERAMHI

Function

Description

Size

(words)

read_companded Read companded value register,

1

see Table 23.

I_CSN

External chip select to access token registers. 8

I_CSN

External chip select to access ARM interrupt

4

register.

I_CSN

External chip select to access DSP interrupt

4

register.

I_CSN

Reserved.

240

AIN SRAM Audio input SRAM buffer.

512

AOUTA SRAM Handset audio out SRAM buffer.

512

SOUT SRAM Speaker audio out SRAM buffer.

512

M_CSN

External chip select to access ARM to DSP

1K

RAM (in the T8302 IPT_ARM chip).

M_CSN

External chip select to access DSP to ARM

1K

RAM (in the T8302 IPT_ARM chip).

X_CSN

External spare chip select.

12K

ISRAM

Internal SRAM.

16K

16

Lucent Technologies Inc.

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