Panasonic KX-TG8231B, Service Manual

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84
KX-TG8231B/KX-TG8232B/KX-TGA820B
14.2. CPU Data (Handset)
14.2.1. IC1 (BBIC)
Pin No. Description I/O Connection at Normal mode at Reset mode
1 *INT1/P11 D.I ROW1 I I-PU
2 VDDIO1 - VDDIO1 - -
3 VDD1 - VDD1 - -
4 VSS1 - VSS1 - -
5 LED1/PWM0/P20 D.O NC O I-PU
6 LED2/PWM1/P21 D.O LCD_CSB O I-PU
7 LED3 A.I NC I I
8 LED_BIAS/P36/PD6 D.O RESET(RF) O I-PD
9 SDA1/P25 D.I/O NC O I
10 SCL1/P24 D.O NC O I
11 *INT5/VDDE/P15 D.O LCD_CD O O-H
12 *INT2/P12 D.I ROW2 I I-PU
13 AVD - AVD - -
14 AVS - AVS - -
15 CAP A.I CAP I I
16 Xtal1 A.I Xtal1 I I
17 VSSRF - VSSRF - -
18 RFCLKp A.O NC O Hi-Z
19 RSSI/RFCLKm A.I NC I Hi-Z
20 VDDRF - VDDRF - -
21 RFCLKd D.O RFCLKd O O-L
22 TDO A.O TDO O O
23 RDI D.I RDI I I
24 SK D.O SK O O-L
25 PD1/SIO D.I/O SIO I/O I-PD
26 LE D.O LE O O-L
27 P31/PD1 D.O COL1 O I-PD
28 P32/PD2 D.O COL2 O I-PD
29 VSSPA1 - VSSPA1 - -
30 PAOUTm A.O PAOUTm O O
31 VDDPA - VDDPA - -
32 PAOUTp A.O PAOUTp O O
33 VSSPA2 - VSSPA2 - -
34 P33/PD3 D.O COL3 O I-PD
35 P34/PD4 D.O COL4 O I-PD
36 TDOD/P35/PD5 D.O COL5 O I-PD
37 VSS2 - VSS2 - -
38 VDDIO2 - VDDIO2 - -
39 VDD2 - VDD2 - -
40 PCM_FSC/*INT0/P10 D.I ROW0 I I-PU
41 P00/UTX D.O UTX O I-PU
42 P01/URX D.I URX I I-PU
43 P02/JTIO D.I/O JTAG I/O I-PU
44 P03/SDA2 D.I/O SDA2 I/O I-PU
45 P04/SCL2 D.O SCL2 O I-PU
46 P05/SPICLK/PCM_CLK D.O LCD_SCL O I-PU
47 P06/SPIDO/PCM_DOUT D.I/O LCD_SDA I/O I-PU
48 P07/SPIDI/PCM_DIN D.O RESET(RF) O I-PU
49 VSS3 - VSS3 - -
50 VDD3 - VDD3 - -
51 P23/ADC1 A.I NC I I
52 P17/CHARGE/INT7 D.I CHARGE I I-PD
53 *RST D.O nRST O I-PU
54 DC_STAB A.O DC_STAB O O
55 DC_I A.I DC_I I I
56 DC_CTRL A.O DC_CTRL O O-PD
57 DC_Sense A.I DC_Sense I I
58 VBAT1 A.I VBAT1 I I
59 LDO1_CTRL A.I LDO1_CTRL I I
60 LDO2_CTRL A.I LDO2_CTRL I I
61 P16/PON/INT6 D.I PON I I-PD
62 P26/STOP_CHARGE A.O STOP_CHARGE O O-L