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W91216 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TONE/PULSE DIALER - Winbond

भाग संख्या W91216
समारोह TONE/PULSE DIALER
मैन्युफैक्चरर्स Winbond 
लोगो Winbond लोगो 
पूर्व दर्शन
1 Page
		
<?=W91216?> डेटा पत्रक पीडीएफ

W91216 pdf
PIN CONFIGURATION
W91210 SERIES
C1
C2
C3
MODE
VSS
XT
XT
T/P MUTE
1
2
3
4
5
6
7
8
16 R4
15 R3
14 R2
13 R1
12 VDD
11 DTMF
10 DP/C4
9 HKS
W91212/W91214/W91214A/W91216
PIN DESCRIPTION
SYMBOL 16-PIN
Column-
Row Inputs
13
&
1316
XT, XT
6, 7
T/P MUTE
8
MODE
4
I/O FUNCTION
I The keyboard input may be from either the standard 4 × 4 keyboard
or an inexpensive single contact (form A) keyboard. Electronic
input from a µC can also be used. A valid key entry is defined by a
single row being connected to a single column.
I, O A built-in inverter provides oscillation with an inexpensive 3.579545
MHz crystal or ceramic resonator.
O The T/P MUTE is a conventional CMOS N-channel open drain
output. The output transistor is switched on during pulse and tone
mode dialing sequences and flash break. Otherwise, it is switched
off.
I Pulling mode pin to VSS places the dialer in tone mode.
Pulling mode pin to VDD places the dialer in pulse mode
(10 ppS, M/B = 2:3).
If the mode pin is left floating, the dialer is in pulse mode
(10 ppS, M/B = 1:2).
-2-

विन्यास 11 पेज
डाउनलोड[ W91216 Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
W91210TONE/PULSE DIALERWinbond
Winbond
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