User's Manual

14
40 P54 NULL NC
41 P53 NULL NC
42 P52 O OE Flash data output enable, active low
43 P51 NULL NC
44 P50 O WE Flash data input enable, active low
45 P47 I OPTION2 External accessory select
46 P46 I OPTION1 External accessory select
47 P45 O T/R
Transmit/receive PLL select
H: receive L: transmit
48 P44 O CE Flash chip select, active low
49 P43 NULL NC
50 P42 O A18 Flash address
51 P41 O A17 Flash address
52 P40 O A16 Flash address
53 P37 O A15 Flash address
54 P36 O A14 Flash address
55 P35 O A13 Flash address
56 P34 O A12 Flash address
57 P33 O A11 Flash address
58 P32 O A10 Flash address
59 P31 O A9 Flash address
60 Vcc I VCC
61 P30 O A8 Flash address
62 Vss I GND
63 P27 O A7 Flash address
64 P26 O A6 Flash address
65 P25 O A5 Flash address
66 P24 O A4 Flash address
67 P23 O A3 Flash address
68 P22 O A2 Flash address
69 P21 O A1 Flash address
70 P20 O A0 Flash address
71 P17 I SW3 C key
72 P16 I SW2 B key
73 P15 I PTT PTT key
74 P14 O LR Red LED control H: light L: off
75 P13 O LG Green LED control H: light L: off
76 P12 O SAVE Battery save control H: off L: on
77 P11 O 5TC
Transmit circuit power supply control
H: off L: on
78 P10 O 5RC
Receive circuit power supply control
H: off L: on