26 P72/TA1out AFDIR O Baseband chip I/O control pin (DIR)
27 P71/RXD2 RXD2 I Cannot use
28 P70/TXD2 TXD2 I Cannot use
29 P67/TXD1 TXD1 O Serial data output PTT ON: L
30 P66/RXD1 RXD1 I Palm Mic HOOK input/serial data input On: L
31 P65 AUX4 I/O AUX4——optional circuit board port 5 (output)
32 P64 AUX5 I/O AUX5——optional circuit board port 6 (output)
33 P63 TXD2 O Acc comm0 (serial data output)
34 P62 RXD2 I Acc comm0 (serial data input)
35 P61 MICDAT I/O Palm Mic key code data input/output
36 P60 AUX2 I/O AUX2——optional circuit board port 2 (input)
37 P57 RDY I Pull Up
38 P56 NC Cannot use (left floating)
39 P55 HOLD Cannot use (left floating) (for recording)
40 P54 NC Cannot use (left floating)
41 P53 NC Cannot use (left floating)
42 P52 RD O External expansion, read (Cannot use)
43 P51 NC Cannot use (left floating)
44 P50 WR O External expansion, write (Cannot use)
45 P47 HNC O Horn alert control On: H (Cannot use)
46 P46 SHIFT O Clock beat frequency On: H
47 P45 W/N O W/N switch W: L (change W to H)
48 P44 CS0 O NC (left floating)
49 P43 MicMute O Mic mute Mute: L (change to H active)
50 P42 KEYBL O Keypad backlight control On: H (NC)
51 P41 UP/LED4 O UP/LED4
52 P40 LED6 O LED6
53 P37 LCDCI/LED3 I/O LCD Driver CI PIN / LED3
54 P36 DOWN/LED5 O DOWN/LED5
55 P35 LCDCL/LED2 O LCD Driver CL PIN/LED2
56 P34 LCDBL/LED0 O LCD Driver BL PIN/LED0
57 P33 LED7 O LED7
58 P32 LCDCE/LED1 O LCD Driver CE PIN/LED1
59 P31 RLED O Red indicator
60 VCC VCC I +5V
61 P30 GLED O Green indicator
62 VSS VSS I GND
63~66
A7~A4 A7~A4 I Cannot use (left floating)
67
P23 PLLDAT O PLL data output
68
P22 PLLCLK O PLL clock output
69
P21 SLED O Scan status indicator
70
P20 PLED O Hihg/low power indicator
To Next Page
