Panasonic KX-TG8421FXB Service Manual page 73

Pin No. Description
59 P0_1/URX
60 P0_0/UTX
61 RSTn
62 JTAG
63 P2_5/PCM_FSC/SF
64 P2_4/SCL1/PCM_DO/
DP3
65 P2_3/SDA1/PCM_DI/DP2
66 P2_2/PCM_CLK/CLK100
67 P2_1/ECZ2/PWM1/LED4
68 P2_0/ECZ1/PWM0/LED3
69 VDD2
70 LDORF_CTRL
71 RF_SUPPLY2
72 RF0n
73 RFP4
74 RFP3
75 VDD_PADR
76 VSS_PADR1
77 RF_TXp
78 RF_TXn
79 VSS_PADR2
80 RFP2
81 GND
I/O Connection
D.I URX
D.O UTX
D.O RSTn
D.I/O JTAG
D.O EEP_WP
D.O TEST
D.O N.C.
D.O N.C.
D.O LED2
D.O LED1
- +1.8V
A.I LDORF_CTRL
- RF_SUPPLY2
D.O ANT2
D.O PON
D.O PSEL
A.O VDD_PADRV
- GND
A.O TXp
A.O TXn
- GND
- TXON
- GND
73
KX-TG8421FXB/KX-TG8421FXN/KX-TGA840FXB/KX-TGA840FXN
at Normal mode
I_0/1
O_0/1
O_0/1
I/O_0/1
O_0
O_0
O_0
O_0
A.I
A.I
-
A.I
-
O_0/1
O_0/1
O_0/1
A.O
-
A.O
A.O
-
-
-
at Reset mode
-
-
O
I-PU
O_0
O-0
O-0
O-0
A.I
A.I
-
A.I
-
Hi-Z
Hi-Z
Hi-Z
A.O
-
A.O
A.O
-
Hi-Z
-