Panasonic KX-FP342CX - Page 154

NO. SIGNAL I/O POWER
SUPPLIED
VOLTAGE
DESCRIPTION
19 CPC I 3.3V INPUT PORT (PTOP)
20 RVN I 3.3V INPUT PORT (REED)
21 IRDATXD/IOP O 3.3V OUTPUT PORT (CISLED)
22 IRDARXD/IOP80 I 3.3V INPUT PORT (DSR)
23 TXD/IOP I 3.3V INPUT PORT (TXD)
24 RXD/IOP O 3.3V OUTPUT PORT (SENLED1)
25 XRTS/IOP I 3.3V INPUT PORT (HOOK)
26 XCTS/IOP O 3.3V OUTPUT PORT (SPMUTE)
27 VDD (2.5V) 3.3V POWER SOURCE (+2.5V)
28 TONE1 A 3.3V TONE OUTPUT
29 TONE2 A 3.3V TONE OUTPUT
30 VOLUREF A 3.3V ANALOG REF VOLTAGE
31 VOLUOUT A 3.3V VOLUME OUTPUT
32 VOLUIN A 3.3V VOLUME INPUT
33 XNMI I 3.3V HIGH FIXED
34 FMEMDO/IOP O 3.3V OUTPUT PORT (ON-MREN)
35 VDD (3.3V) ----- POWER SOURCE (+3.3V)
36 VSS GND POWER SOURCE (GND)
37 VSS GND POWER SOURCE (GND)
38 VDD (3.3V) ----- POWER SOURCE (+3.3V)
39 MIDAT/IOP O 3.3V OUTPUT PORT (TONE1EN)
40 MICLK/IOP O 3.3V OUTPUT PORT (CISON)
41 MILAT/IOP O 3.3V OUTPUT PORT (OPERESET)
42 20KOSC/IOP I 3.3V INPUT PORT (BELL)
43 XWAIT I 3.3V INPUT PORT (KOVER)
44 HSTRD/IOP O 3.3V NOT USED
45 HSTWR/IOP O 3.3V NOT USED
46 XOPRBE O 3.3V MFCS
47 ADR15 O 3.3V CPU ADDRESS BUS 15 (NOT USED)
48 ADR14 O 3.3V CPU ADDRESS BUS 14 (NOT USED)
49 ADR13 O 3.3V CPU ADDRESS BUS 13 (NOT USED)
50 VDD (2.5V) ----- POWER SOURCE (+2.5V)
51 XOUT O 3.3V SYSTEM CLOCK (24MHz)
52 XIN I 3.3V SYSTEM CLOCK (24MHz)
53 VSS GND POWER SOURCE (GND)
54 VDD (3.3V) ----- POWER SOURCE (+3.3V)
55 XTEST O 3.3V 24MHz CLOCK
56 TEST1 I 3.3V HIGH FIXED
57 TEST2 I 3.3V HIGH FIXED
58 TEST3 I 3.3V HIGH FIXED
59 TEST4 I 3.3V HIGH FIXED
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