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ML7005MB 데이터시트(PDF) 22 Page - OKI electronic componets

부품명 ML7005MB
상세설명  DTMF Transceiver
PDF  25 Pages
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ML7005MB 데이터시트(HTML) 22 Page - OKI electronic componets

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¡ Semiconductor
ML7005
22/24
Register Settings for Each Mode
An example of register settings for each mode is shown below.
Table 4 Register Setting
Mode
Power ON
DTMF Detect
(High Speed)
CPT Detect
Description
(1) Wait until power supply is
stabilized
(2) PD pin = "1"
(internal circuit is reset)
(3) Wait 200 ms or more
(4) PD pin = "0"
(5) CR setting
(1) Detect timing setting
(2) STR monitoring
(when not detected)
(3) STR monitoring
(when detected)
(4) DTMF receive data reading
(5) STR monitoring (when
detected and after reading STR)
(6) STR monitoring (after
making the input signal OFF)
(1) CPT detect enable setting
(2) STR monitoring
(when not detected)
(3) STR monitoring
(when detected)
Address in
Intel
processor
mode
D1, D0
—
—
—
—
10
10
11
11
01
11
11
10
11
11
ALE
WR
Motorola
processor
mode
D3
D2
D1
D0
Active
register
—
—
—
—
1
1
1
1
0
1
1
1
1
1
—
—
—
—
0
0
1
1
1
1
1
0
1
1
—
—
—
—
X
0
1
0
X
0
1
0
1
1
—
—
—
—
X
1
0
0
X
0
0
0
0
0
—
—
—
—
X
0
0
0
X
0
0
1
0
1
—
—
—
—
X
0
0
1
X
0
0
0
0
1
—
—
—
—
CR
CR
STR
STR
DTMFR
STR
STR
CR
STR
STR
(4) STR monitoring (when
detected and after reading STR)
11
1
1101
0
STR
DTMF
Transmit
(1) DTMF transmit data setting
00
0
0
X
X
X
X
DTMFT
(2) DTMF transmit ON
10
1
0000
1
CR
(3) Wait transmit ON time
—
—
————
—
—
(4) DTMF transmit OFF
10
1
0000
0
CR
(5) Wait transmit OFF time
—
—
————
—
—
(6) To transmit next data,
return to (1)
—
—
————
—
—
CPT Transmit (1) CPT transmit ON
10
1
0100
0
CR
(2) Wait transmit ON time
—
—
————
—
—
(3) CPT transmit OFF
10
1
0000
0
CR



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