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參數(shù)資料
| 型號： | ISD1020AX |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Single-Chip Voice Record/Playback Devices 16- and 20-Second Durations |
| 中文描述： | 單芯片語音記錄/播放設(shè)備16 -和20秒持續(xù)時間 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 402K |
| 代理商： | ISD1020AX |
Product Data Sheets
ISD1000A Series
1–6
-
1
A6 or A7 = LOW) and 2. ISD1000A Series Opera-
tional Mode Options (A6 AND A7 = HIGH).
Operational mode options are shown in the Oper-
ational Modes table. There are a maximum of 160
message addresses (or segments). Each seg-
ment corresponds to one of 160 rows in the ana-
log storage array. The message addresses
(segments) are in locations 0 through 159 contig-
uous. The playback/record duration of each seg-
ment depends upon the device and is as follows:
An operation may be started at any address, as
defined by address pins A0-A7. Record or play-
back continues with automatic incrementing of the
internal on-chip address until either CE is brought
HIGH (Record), an end of message marker is
encountered (Playback with CE HIGH), or an over-
flow (device full) condition results.
OPERATIONAL MODES
The ISD1000A Series is designed with several
built-in operational modes provided to allow max-
imum functionality with a minimum of additional
components, described in detail below. The oper-
ational modes use the address pins on the
ISD1000A devices, but are mapped outside the
valid address range. When the two Most Signifi-
cant Bits (MSBs) are HIGH (A6 = A7=1), the
remaining address signals are interpreted as
mode bits and
NOT
as address bits. Therefore,
operational modes and direct addressing are not
compatible and cannot be used simultaneously.
There are two important considerations for using
operational modes. First, all operations begin ini-
tially at address 0, which is the beginning of the
ISD1000A address space. Later operations can
begin at other address locations, depending on
the operational mode(s) chosen. In addition, the
address pointer is reset to 0 when the device is
changed from Record to Playback, or when a
Power-Down cycle is executed.
Second, an Operational Mode is executed when
CE goes LOW and the two MSBs are HIGH. This
Operational Mode remains in effect until the next
Part
Number
Segment Playback/Record
Duration
ISD1016A
100 milliseconds
ISD1020A
125 milliseconds
Control
Mode
Function
Typical Use
Jointly Compatible*
M0
Message cueing
Fast-forward through messages
M4, M5
M1
Delete EOM markers
Position EOM marker at the end of the last
message
M3, M4, M5
M2
Cascading
Adding devices to extend message
M3
Looping
Continuous playback from Address 0
M1, M5
M4
Consecutive addressing
Record/Play multiple consecutive mes-
sages
M0, M1, M5
M5
CE level-activated
Allow message pausing
M0, M1, M3, M4
OPERATIONAL MODES TABLE
NOT E:
An asterisk (* indicates additional operational modes which can be used simultaneously with the given mode.
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相關(guān)代理商/技術(shù)參數(shù) |
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| ISD1100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP VOICE RECORD / PLAYBACK DEVICES |
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| ISD1100S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP VOICE RECORD / PLAYBACK DEVICES |
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| ISD1100X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SINGLE CHIP VOICE RECORD / PLAYBACK DEVICES |
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