參數(shù)資料
型號(hào): ISD-T360
廠商: Electronic Theatre Controls, Inc.
英文描述: VoiceDSP Digital Speech Processor with Master/Slave, Full-Duplex Speakerphone, Multiple Flash and ARAM/DRAM Support
中文描述: VoiceDSP數(shù)字語(yǔ)音處理器與主/從,全雙工揚(yáng)聲器,多重閃光和雅藍(lán)/內(nèi)存支持
文件頁(yè)數(shù): 10/109頁(yè)
文件大?。?/td> 1567K
代理商: ISD-T360
1—HARDWARE
ISD-T360SB
1-2
Voice Solutions in Silicon
1.
TTL1 output signals provide CMOS levels in the
steady state, for small loads.
Input during reset. CMOS level input.
Virtual address lines for IVS ROM.
Chip select lines for Serial Flash devices.
Schmitt trigger input.
2.
3.
4.
5.
Table 1-1: VoiceDSP Pin Signal Assignment
Pin Name
Signal Name
Type
Description
A(0:15)
A(0:16)
Output
Address bits 0 through 16
CAS
CAS
Output
DRAM Column Address Strobe
CCLK
CCLK
I/O
Codec Master/slave Clock
CDIN
CDIN
Input
Data Input from Codec
CDOUT
CDOUT
Output
Data Output to Codec
CFS0
CFS0
I/O
Codec 0 Frame Synchronization
CFS1
CFS1
Output
Codec 1 Frame Synchronization
D(0:7)
D(0:7)
I/O
Data bits 0 through 7
DWE
DWE
Output
DRAM Write Enable
EMCS/ENV0
EMCS
Output
Expansion Memory Chip Select
EMCS/ENV0
ENV0
Input
Environment Select
MMCLK
MMCLK
Output
Master MICROWIRE Clock
MMDIN
MMDIN
Input
Master MICROWIRE Data Input
MMDOUT
MMDOUT
Output
Master MICROWIRE DATA Output
MWCLK
MWCLK
Input
MICROWIRE Clock
MWCS
MWCS
Input
MICROWIRE Chip Select
MWDIN
MWDIN
Input
MICROWIRE Data Input
MWDOUT
MWDOUT
Output
MICROWIRE DATA Output
MWRDY
MWRDY
Output
MICROWIRE Ready
MWRQST
PB(0:7)
3
MWRQST
Output
MICROWIRE Request Signal
PB(0:7)
I/O
Port B, bits 0 through 7
PC(0:7)
PB(0:7)
I/O
Port C, bits 0 through 7
RAS
RAS
Output
DRAM Row Address Strobe
RESET
RESET
Input
Reset
TST
TST
Input
Test pin
V
CC
V
CC
A
V
CC
HI
V
CC
V
CC
A
V
CC
HI
Power
3.3 V power supply pin
Power
3.3 V analog circuitry power supply pin
Power
5 V power supply pin. Connect to V
CC
if 3.3 V power supply is
used.
V
SS
V
SS
A
X1
V
SS
V
SS
A
X1
Power
Ground for on-chip logic and output drivers
Power
Ground for on-chip analog circuitry
Oscillator
Crystal Oscillator Interface
X2/CLKIN
X2
Oscillator
Crystal Oscillator Interface
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