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): 14/109頁(yè)
文件大小: 1567K
代理商: ISD-T360
1—HARDWARE
ISD-T360SB
1-6
Voice Solutions in Silicon
Figure 1-6: 5 V Power Connection Diagram
For optimal noise immunity, the power and
ground pins should be connected to V
CC
and
the ground planes, respectively, on the printed
circuit board. If V
CC
and the ground planes are
not used, single conductors should be run direct-
ly from each V
CC
pin to a power point, and from
each GND pin to a ground point. Avoid daisy-
chained connections. The VoiceDSP does not
perform its usual functions in power-down mode
but it still preserves stored messages, maintains
the time of day and generates ARAM/DRAM re-
fresh cycles.
When you build a prototype, using wire-wrap or
other methods, solder the capacitors directly to
the power pins of the VoiceDSP processor sock-
et, or as close as possible, with very short leads.
1.2.5
MEMORY INTERFACE
Flash Support
The ISD-T360SB VoiceDSP supports Flash devices
for storing recorded data, thus, power can be
disconnected to the ISD-T360SB without losing
data. The ISD-T360SB supports serial and semi-
parallel Flash device interfaces, such as
TC58V16BFT, TC5816BFT, TC58A040F, KM29N040T,
KM2928000T/IT, and KM29216000AT/AIT. The ISD-
T360SB may be connected to up to four Flash de-
vices, resulting with maximum recording storage
of 16-Mbits x 4 = 64 Mbits (up to 4 hours of record-
ing time).
The following flash devices are supported:
74
72
64
63
61
60
50
48
9
11
12
30
32
V
SS
A
C
7
V
SS
V
CC
V
CC
HI
V
SS
V
CC
V
CC
V
SS
5 V Supply
ISD-T360
C
5
V
SS
V
CC
V
CC
A
V
CC
V
SS
C
4
C
3
C
2
R
2
C
6
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