ml7005mb Oki Semiconductor, ml7005mb Datasheet - Page 22

• Manufacturer Part Number: ml7005mb
• Description: Dtmf Transceiver Ml7005dtmf Transceiver
• Manufacturer: Oki Semiconductor

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