Panasonic KX-TCD400HGB, Service Manual

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Pin Description I/O Hi Hi-z Low Remarks
46 (NO USE) - - - (I_PD) -
47 (NO USE) D.I - - (Fixed) -
48 VDD - - - - -
49 (NO USE) D.I - - (Fixed) -
50 (NO USE) D.I (Fixed) - - -
51 (NO USE) D.I - - (Fixed) -
52 (NO USE) D.I - - (Fixed) -
53 VSS - - - - -
54 VDD - - - - -
55 KEY_IN D.I No Key - Key -
56 (NO USE) D.I/O - - (I_PD) -
57 PULSE_CTRL D.I/O Q7_ON - Q7_OFF -
58 (NO USE) D.I/O - - (I_PD) -
59 (NO USE) D.I/O - - (I_PD) -
60 (NO USE) D.I/O - - (I_PD) -
61 HOOK_CTRL D.O Make - Break -
62 (NO USE) D.I/O - - (I_PD) -
63 ANT1 D.O ANT1_ON - ANT1_OFF -
64 ANT2 D.O ANT2_ON - ANT2_OFF -
Note:
I_PU; Internal Pull-Up, I_PD; Internal Pull-Down
26. CPU DATA (HANDSET)
26.1. IC1 (BBIC)
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