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參數(shù)資料
| 型號： | SAA3004T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 搖控器 |
| 英文描述： | Remote control transmitter |
| 中文描述： | INFRARED, TRANSMITTER IC, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 103K |
| 代理商： | SAA3004T |
August 1982
5
Philips Semiconductors
Product specification
Remote control transmitter
SAA3004
Output sequence (data format)
The output operation will start when the selected code is found. A burst of pulses, including the latched address and
command codes, is generated at the output REMO as long as a key is pressed. The format of the output pulse train is
given in Figs 2 and 3. The operation is terminated by releasing the key or if more than one key is pressed at the same
time. Once a sequence is started, the transmitted words will always be completed after the key is released.
The toggle bits T0 and T1 are incremented if the key is released for a minimum time t
REL
(see Fig.4).
The toggle bits remain unchanged within a multiple key-stroke sequence.
Fig.2 Data format of REMO output; .
REF = reference time; T0 and T1 = toggle bits; S0, S1 and S2 = system address; A, B, C, D, E and F = command bits
(a)
flashed mode: transmission with 2 toggle bits and 3 address bits, followed by 6 command bits (pulses are flashed).
(b)
modulated mode: transmission with reference time, 1 toggle bit and 3 address bits, followed by 6 command bits (pulses are modulated).
Fig.3 REMO output waveform.
(1) Flashed pulse.
(2) Modulated pulse (t
PW
= (5
×
t
M
)
+
t
MH
.
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