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參數資料
| 型號： | TRC1315DR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 搖控器 |
| 英文描述： | RF, REMOTE CONTROL SUPPORT CIRCUIT, PDSO14 |
| 封裝： | PLASTIC, SO-14 |
| 文件頁數： | 21/27頁 |
| 文件大小： | 358K |
| 代理商： | TRC1315DR |
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TRC1300, TRC1315
MARCSTAR
I E/D
REMOTE CONTROL ENCODER/DECODERS
SLWS011D – AUGUST 1996 – REVISED JANUARY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
NAME
NO.
I/O
DESCRIPTION
NAME
D
N
CONF
2
I
Device configuration select. When CONF is held at a high logic level, the device assumes the encoder
mode. CONF is internally pulled up, and no connection to CONF is required for the encoder mode of
operation. When CONF is held at a low logic level at power up, the device assumes the decoder mode.
Note that this terminal is read only at device power up; CONF must be tied to GND
before VCC is applied
to select the decoder mode.
DIN/DOUT
1
I/O
Serial data input/output. In the decoder mode, DIN/DOUT becomes an input to receive serial data from
up to four remote encoders. In the learn mode, DIN/DOUT becomes an input to learn code from up
to four remote encoders. In the encoder mode, DIN/DOUT becomes an output for the encoded data.
DIN/DOUT is clocked by the internal variable oscillator.
GND
7
8
Analog and logic ground
LED
4
O
Status indicator. The LED terminal goes low, causing an LED connected from VCC (anode) to the LED
terminal (cathode) through a current-limiting resistor to light, indicating the following conditions:
Encoder mode. When the device is configured as an encoder, the LED terminal is active during
the transmission of data (including the blank time between frames).
Program mode (encoder). When the device is configured as an encoder and placed in the
program mode, the LED terminal is active until the device has generated and stored a new 40-bit
security code.
Learn mode (decoder). When the device is configured as a decoder and placed in the program
mode, the LED terminal is active until the device has successfully stored 40 bits of security code
received from an encoder through terminal DIN/DOUT.
Test mode. When the device is placed in the self-test mode, the results are indicated by flashing
the LED connected to the LED terminal.
OSCC
5
I/O
Internal oscillator frequency control. A capacitor connected from OSCC to GND and a resistor
connected from OSCR to OSCC determine the frequency of the internal oscillator.
OSCR
6
7
I/O
Internal oscillator frequency control. A resistor connected from OSCR to OSCC and a capacitor
connected from OSCC to GND determine the frequency of the internal oscillator.
PROG
3
I
Programming enable. When PROG is held at a logic-high, device enters the programming mode. In
the encoder mode, a new 40-bit security code is generated and stored in EEPROM. In the decoder
mode, the device enters a learn cycle that continues until it has successfully received 40 bits of code
from an encoder and stored them in EEPROM. PROG is internally pulled down and debounced.
TEST
12
14
I
Test mode select. When TEST is momentarily taken high, the device enters a self-test mode with the
results of the self-test mode displayed by flashing the LED connected to the LED terminal. TEST is
internally pulled down.
VCC
(TRC1300)
13
15
Not used.
VCC
(TRC1315)
13
15
Power supply input for the TRC1315 only. The voltage range for VCC is 4.5 V to 15 V. A 0.1-F bypass
capacitor should be connected from VCC to GND.
VCC/CAP
(TRC1300)
14
16
Power supply input for the TRC1300 only. The voltage range for VCC/CAP is 2.7 V to 6 V. A 0.1-F
bypass capacitor should be connected from VCC/CAP to GND.
VCC/CAP
(TRC1315)
14
16
Regulated voltage output for the TRC1315 only. This terminal provides a regulated 4.5 V to 5.5 V
output. A 1-
F and a 0.1-F bypass capacitor should be connected from VCC/CAP to GND.
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