參數(shù)資料
型號: AD1816AJST
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: SoundPort Controller
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: TQFP-100
文件頁數(shù): 21/52頁
文件大小: 477K
代理商: AD1816AJST
AD1816A
–21–
REV. A
Figure 14 illustrates the flexibility of the DSP Serial Port interface. T his port can monitor or intercept any of the digital streams man-
aged by the AD1816A. Any ADC or DAC data stream can be intercepted by the port, shipped to an external DSP or ASIC manipu-
lated, and returned to any DAC summing path or to the ADC.
PLUG AND PLAY
ISA BUS
PARALLEL
INTERFACE
AUDIO
Σ
DAC
PGA
AUDIO/
MODEM
Σ
ADC
SERIAL PORT INTERFACE
MUSIC
SYNTHESIZER
I
2
S SERIAL PORT (0)
Σ
A
M
S
A
M
A
M
A
M
I
2
S SERIAL PORT (1)
FORMAT
FIFO
FORMAT
FIFO
Figure 14. DSP Serial Port
ISA INT E RFACE
AD1816A Chip Registers
T able II, Chip Register Diagram, details the AD1816A direct register set available from the ISA Bus. Prior to any accesses by the
host, the PC I/O addressable ports must be configured using the Plug and Play Resources.
T able II. Chip Register Diagram
Register T ype-Register Name
Register PC I/O Address
Plug and Play
ADDRESS
WRIT E_DAT A
READ_DAT A
0x279
0xA79
Relocatable in Range 0x203 – 0x3FF
Sound System Codec
CODEC REGIST ERS
0x(SS Base+0 – SS Base+15)
Relocatable in Range 0x100 – 0x3FF
See T able V
SoundBlaster Pro
Music0: Address (w), Status (r)
Music0: Data (w)
Music1: Address (w)
Music1: Data (w)
Mixer Address (w)
Mixer Data (w)
Reset (w)
Music0: Address (w)
Music0: Data (w)
Input Data (r)
Status (r), Output Data (w)
Status (r)
(SB Base) Relocatable in Range 0x100 – 0x3F0
(SB Base+1)
(SB Base+2)
(SB Base+3)
(SB Base+4)
(SB Base+5)
(SB Base+6 or 7)
(SB Base+8)
(SB Base+9)
(SB Base+A or +B)
(SB Base+C or +D)
(SB Base+E or +F)
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