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Z0221524VSCR4508 Datasheet

  • Z0221524VSCR4508

  • IC-SM-MODEM CONTROLLER

  • 78頁(yè)

  • ETC

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Z02215
Single-Chip Modem
26
Table 3. AT Command Set (Continued)
North American default values are designated by
bold type.
The operation of these commands, and
the default values of option commands, are configurable for operation in different countries.
Command
&HT
PTT Test
Function and Description
The &HT command enables the modem to transmit tones for PTT
testing. The test tone is generated until a character is typed on the
modem鈥?terminal. If this command is issued when the command is
s
disabled by a country configuration, the modem returns an ERROR
result.
&HT0 鈥?&HT9 DTMF tone for digit
n
where the command is
&HTn
&HT10
&HT11
&HT12
&HT13
&HT14
&HT15
&HT16
&HT17
&HT18
&HT19
&HT20
&HT21
&HT22
&HT23
&HT24
&HT25
&HT26
&HT27
&HT28
DTMF tone鈥?鈥?/div>
DTMF tone 鈥?鈥?/div>
DTMF tone 鈥淎鈥?/div>
DTMF tone 鈥淏鈥?/div>
DTMF tone 鈥淐鈥?/div>
DTMF tone 鈥淒鈥?/div>
V.21 channel 1 mark
V.21 channel 2 marks
V.23 1200bps marks
V.23 75bps marks
V.21 channel 1 spaces
V.21 channel 2 spaces
V.23 1200bps spaces
V.23 75bps spaces
V.22 originate mode
V.22 answer mode
V.22bis originate mode
V.22bis answer mode
V.25 calling tone
PRELIMINARY
PS001901-MOD0300

Z0221524VSCR4508 產(chǎn)品屬性

  • 25

  • 集成電路 (IC)

  • 接口 - 調(diào)制解調(diào)器 - IC 和模塊

  • -

  • V.21，V.22，V.23，Bell 103，Bell 212A

  • 2.4k

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 44-LCC（J 形引線）

  • 44-PLCC

  • 管件

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