PT8R1202 Datasheet, PDF (13/26 Pages) List of Unclassifed Manufacturers – Bluetooth Digital Audio Streaming IC

Data Sheet
PT8R1202
PT Pericom Technology Inc.
Bluetooth Digital Audio Streaming IC
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DSP memory (14M)
z SmartMedia™ FIFO
z accessible by on-chip DMA
0xC08000~0xC0BFFF
YMEM1
read/write
z data memory
(16KB)
byte, half-word, word
z scatch-pad instruction memory
DSP memory (14M)
z SmartMedia™ FIFO
z accessible by on-chip DMA
0xC0C000~0xC0FFFF
YMEM2
read/write
z data memory
(16KB)
byte, half-word, word
z digital stereo audio output FIFO
DSP memory(14M)
z accessible by on-chip DMA
* This address space is based on byte addressing.
Off-chip memory interface waveform diagram
Internal Core Clock
(CLKSYS)
0 MEM Wait Cycles
Operation Mode
IDLE
8bit-L 16bit
Read0 Read1
CS (Flash, SRAM, I/O)
WEB
REB
UBE
LBE
MEMA[19:0] unknown ADDR0 ADDR1
MEMD[15:0]
DATA0 DATA1
8bit-H
Write2
ADDR2
DATA2
1 MEM Wait Cycles
Operation Mode ^IDLE
CS (Flash, SRAM, I/O)
WEB
REB
UBE
LBE
MEMA[19:0] unknown
MEMD[15:0]
8bit-L
Read0
ADDR0
DATA0
16bit
Read1
ADDR1
DATA1
16bit
Write3
32bit
Read4
32bit
Write5
IDLE
ADDR3
DATA3
ADDR4 ADDR4+1
DATA4 DATA4
MSB LSB
ADDR5
DATA5 MSB
ADDR5+1
DATA5 LSB
8bit-H
Write2
16bit
Write3
32bit
Read4
IDLE
ADDR2
DATA2
ADDR3
DATA3
ADDR4
DATA4 MSB
ADDR4+1
DATA4 LSB
PT0137(08/04)
13
Ver:4