Panasonic EASA-PHONE KX-T2355 Service Manual And Technical Manual page 3

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CPU DATA
IC1: , _ paviasengest
Program ROM; Ak byte (8 bit)
Internal RAM; - # 768 byte (4 bit)
Counter Clock Frequency; 32.768 kHz
System Clock Frequency; 480 kHz |
Power Supply Voltage; 2.2-6.0 V
R40
1 Key Input
2 R41 Key Input
3 |R42 | Key Input Easavle
4 {R43 Key Input | |
5 | R50 Key-Scan Output
6 |TR Hold And SP-Phone On Output
7 | SP-HS SP/HS Control Output
8 | Back up
Battery Backup Signal Output
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9 R60 Not Used
13 R70 , | Key-Scan Ouiput
14 R71 Key-Scan Output
15 |SP-HS SP/HS Control Output
16 | DIAL-PULSE Pulse Dial Output
17 PULSE-MUTE Pulse Mute Control Output | |
18 MIC-MUTE MIC Mute Control Output
19 MIC-MUTE 1 MIC Mute Control Output
25 | DTMF-OUT DTMF Signal Output
42. |Voo ~
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