T8301 データシートの表示（PDF） - Agere -> LSI Corporation

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T8301

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

Agere -> LSI Corporation 

Advance Data Sheet

December 2000

T8301 Internet Protocol Telephone

Phone-On-A-Chip IP Solution DSP

4 DSP1600 Core (continued)

4.10 Y Space Memory Map

The table below shows the Y space memory map. This is the area can be addressed via the DSP1627’s R0, R1,

R2, and R3 registers, and also by direct (Y-based) addressing.

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

Address

0x0:0x17FF

0x4000

0x4001

0x4002

0x4003

0x4008

0x4010

0x4014

0x4015

0x4016

0x4017

0x4018

0x4019

0x401A

Ox401B

0x401C

0x401D

0x401E

0x401F

0x4040

0x4041

0x4041

0x4042

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

W

R

W

DSP CS

Internal

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

Function

Description

Size

(words)

Internal RAM —

6K

aioc_reg

Analog audio I/O control register,

1

see Table 11.

act1_reg

Audio codec test register 1.

1

act2_reg

Audio codec test register 2.

1

aclkc_reg Audio codec clock control register,

1

see Table 12.

trc_reg

Tone ringer control register, see Table 8.

1

dmac_reg DMA control register, see Table 14.

1

AINsetadr_reg Audio in DMA starting address register,

1

see Table 15.

AINsetcnt_reg Audio in DMA transfer count registers,

1

see Table 16.

AINadrinc_reg Audio in DMA address increment registers,

1

see Table 17.

AINcntdec_reg Audio in DMA transfer count decrement regis- 1

ter, see Table 18.

HNDsetadr_reg Handset DMA starting address register,

1

see Table 15.

HNDsetcnt_reg Handset DMA transfer count register,

1

see Table 16.

HNDadrinc_reg Handset DMA address increment register,

1

(see Table 17).

HNDcntdec_reg Handset DMA transfer count decrement

1

register, see Table 18.

SPKsetadr_reg Speaker DMA starting address register,

1

see Table 15.

SPKsetcnt_reg Speaker DMA transfer count register,

1

see Table 16.

SPKadrinc_reg Speaker DMA address increment register,

1

see Table 17.

SPKcntdec_reg Speaker DMA transfer count decrement

1

register, see Table 18.

config_compander Compander configuration register,

1

see Table 19.

write_companded Write companded value register, see Table 21. 1

read_linear Read linear value register, see Table 22.

1

write_linear Write linear value register, see Table 20.

1

Lucent Technologies Inc.

15

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