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參數(shù)資料
| 型號(hào)： | CXA1898Q |
| 廠商： | Sony Corporation |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| 中文描述： | 單電源RS232C接口線路驅(qū)動(dòng)器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收）） |
| 文件頁(yè)數(shù)： | 4/26頁(yè) |
| 文件大?。?/td> | 660K |
| 代理商： | CXA1898Q |
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– 4 –
CXA1898Q
10
A EQ
—
I
A deck equalizer
switch.
Low: 120μs EQ
High: 70μs EQ
—
10
V
CC
147
GND
GND
V
CC
11
B EQ
2.5V
(when
open)
I
B deck equalizer switch.
Low: Normal Tape,
120μs EQ
High: CrO
2
Tape, 70μs
EQ
Medium: Metal Tape,
70μs EQ
53k
12
RMUTE1 I
—
I
Recording mute
ON/OFF switch.
Low: Mute OFF
High: Mute ON
Fader function is
realized by the
external time
constant circuit.
Connects Pin 13
(RMUTE1).
—
13
14
R MUTE1
R MUTE2
15
SPEED
16
PB MUTE
5.0V
(when
reset)
(when
Pin 25
(DATA)
is set to
high)
O
Output for recording
mute ON/OFF switch
control signal.
Outputs D11 from Pin
25 (DATA).
Output for recording/
playback equalizer
speed switch control
signal. Outputs D9 from
Pin 25 (DATA).
Low: Normal Speed
High: High Speed
(1.7 times)
Output pin for playback
mute ON/OFF switch
control signal. Outputs
D7 from Pin 25 (DATA).
Connects a resistor to
V
DD
for Pins 13 to 16.
—
V
CC
147 50k
V
CC
GND
GND
5k
5k
11
×
2
12
V
CC
147
GND
GND
V
CC
20k
×
2
20k
2.7V
50μA
14
15
16
×
4
V
DD
5k
GND
GND
V
CC
×
4
5k
13
20k
Pin
No.
Symbol
DC
voltage
I/O
Equivalent circuit
Description
I/O
resistance
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