T8301 Internet Protocol Telephone
Advance Data Sheet
December 2000
Phone-On-A-Chip
IP Solution DSP
(continued)
4 DSP1600 Core
Table 4. T8301 Instruction/Coefficient Memory Map
Address
0x0000
0x0800
0x1000
0x1800
0x2000
0x2800
0x3000
0x3800
0x4000
0x4800
0x5000
0x5800
0x6000
0x6800
0x7000
0x7800
0x8000
0x8800
0x9000
0x9800
0xA000
0xA800
0xB000
0xB800
0xC000
0xC800
0xD000
0xD800
0xE000
0xE800
0xF000
0xF800
X MAP1
X MAP3
Address
Y MAP
0x0000
0x0800
0x1000
0x1800
0x2000
0x2800
0x3000
0x3800
0x4000
0x4800
0x5000
0x5800
0x6000
0x6800
0x7000
0x7800
0x8000
0x8800
0x9000
0x9800
0xA000
0xA800
0xB000
0xB800
0xC000
0xC800
0xD000
0xD800
0xE000
0xE800
0xF000
0xF800
Dual-port RAM 6K
(DPRAM)
Dual-port RAM 6K
(DPRAM)
Internal ROM 32K
(IROM)
Reserved 10K
Reserved 10K
(Instructions
I/O and ERAMLO (See Table 5.)
ERAMLO (See Table 5.)
and constants)
ERAMLO External chip select
X_CSN (external SRAM) 12K
Internal ROM 32K
(IROM)
(Instructions
and constants)
Internal SRAM 16K
(ISRAM)
Internal SRAM 16K
(1K—16K block mirrored)
(ISRAM)
Dual-port RAM 6K
(DPRAM)
Internal SRAM 16K
(ISRAM)
Internal SRAM 16K
(1K—16K block mirrored)
(ISRAM)
Reserved 10K
Lucent Technologies Inc.
13
AGERE [ AGERE SYSTEMS ]
