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參數(shù)資料
| 型號： | LV737212M |
| 文件頁數(shù)： | 24/27頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LV737212M |
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Continued from preceding page.
Note: The undefined command codes are ignored.
Functions unique to the serial input commands
— When the SI/KEY pin is high, inputting code values 00 to 19 or 1C to 1F serially causes the contents of the
corresponding dialing memory to be output from the S-OUT pin.
— All data is grouped into four-bit groups and output. After first outputting the output format (pulse = 1111, DTMF =
1110), the LC737212/M outputs the dial data. The data value 0000 indicates that output has completed.
— See item (9) concerning serial output on page 17 for details on the output format for the data from the S-OUT pin.
— RD memory data (63 digits) is read out 16 digits at a time in four operations.
— When redial memory is disabled, attempts to read out RD memory (1C) serially will result in the output of either
F0 or E0.
Data in dialing memory is represented as shown in the table.
Switching Output Ports On and Off
— When the SI/KEY pin is high, inputting the following code values serially sets the corresponding output port on or
off. Since these commands directly write to the output port data latch, they do not change the internal status,
memory or other aspects.
S-OUT
ON
(E1)
OFF
(E0)
HOLD
ON
(E3)
OFF
(E2)
HK-CTL
ON
(E5)
OFF
(E4)
K-TONE
1 kHz (E7)
2 kHz (E6)
SP-CTL
ON
(E9)
OFF
(E8)
MUTE2
ON
(EB) OFF
(EA)
MUTE1
ON
(ED) OFF
(EC)
DP
ON
(EF)
OFF
(EE)
No. 5203-24/27
LC737212, 737212M
Serial code
(HEX)
Command
Function or operation
E5
Sets the HK-CTL output on
E6
Turns on the K-TONE 2-kHz frequency for 279 ms
E7
Turns on the K-TONE 1-kHz frequency for 31 ms
E8
Sets the SP-CTL output off
E9
Sets the SP-CTL output on
EA
Sets the MUTE2 output off
EB
Sets the MUTE2 output on
EC
Sets the MUTE1 output off
ED
Sets the MUTE1 output on
EE
Sets the DP output off
EF
Sets the DP output on
F0 to FF
SREQ
Reads out the status data serially (SREQ)
Dialing Data
Representation
in RAM
Dialing Data
Representation
in RAM
1
0001
9
1001
2
0010
0
1010
3
0011
*
1011
4
0100
#
1100
5
0101
Pause
MC (P
→
C)
Data end
1101
6
0110
1110
7
0111
000
8
1000
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