Panasonic KX-TCD450 Series - Page 67

26 CPU DATA (HANDSET)
26.1. IC1 (BBIC)
Pin Description I/O Hi Hi-Z Low Remarks
1 VDD - - - - -
2 VSS - - - - -
3 Data Bus D,I/O - - - for Flash Memory
4 Address Bus D,O - - - for Flash Memory
5 Address Bus D,O - - - for Flash Memory
6 Address Bus D,O - - - for Flash Memory
7 Address Bus D,O - - - for Flash Memory
8 PA Driver Amp D,O PA-ON - PA-OFF -
9 TX/RX SW D,O TX - RX -
10 RX Data D,I Active - Active -
11 PLL Strove D,O Normal - Latch -
12 PLL Data D,O Active - Active -
13 PLL Clk D,O Active - Active -
14 TX Data A,O Active - Active -
15 KEY IN D,I/O No Key - Key -
16 KEY IN D,I/O No Key - Key -
17 KEY IN D,I/O No Key - Key -
18 KEY IN D,I/O No Key - Key -
19 KEY IN D,I/O No Key - Key -
20 (NO USE) D,O - - - -
21 RF System Clk D,O No Key - Key -
22 VDD - - - - -
23 VSS - - - - -
24 POWER SW A,I Key - No Key -
25 Charge DECT A,I Charge - No Charge -
26 DCDCDRV D,O Active - Active -
27 DCDCCMR A,I - - - -
28 Reset A,I Normal - Reset -
29 VSSO A,O - - - -
30 LOAD A,I - - - -
31 XTAL A,I - - - 10.368MHz
32 VDDPM A,O - - - -
33 VDDLO A,O - - - -
34 VDDBAT A,I - - - -
35 VDDLR A,I - - - -
36 CHARGE_START A,O No Charge - Charge for Charge
37 VDDA - - - - -
38 VSSA - - - - -
39 LSRN A,O - - - -
40 LSRP A,O - - - -
41 Bandgap REF A,O - - - -
42 MICS A,O - - - -
43 MICP A,I - - - -
44 MICN A,I - - - -
45 Reference Voltage A,O - - - -
46 RSSI A,I - - - -
47 Headset DET D,I - - - -
48 Charge Current A,I - - - -
49 Charge Current A,I - - - -
50 DISCLK D,O - - - for LCD
51 KEY STRB D,I/O Active - - -
52 KEY STRB D,I/O Active - - -
53 KEY STRB D,I/O Active - - -
54 Address Bus D,O - - - for Flash Memory
55 Address Bus D,O - - - for Flash Memory
56 Address Bus D,O - - - for Flash Memory
57 KEY STRB D,I/O Active - - -
58 KEY STRB D,I/O Active - - -
59 Address Bus D,O - - - for Flash Memory
60 Address Bus D,O - - - for Flash Memory
61 VDD - - - - -
62 VSS - - - - -
67
KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT