GND 1 2 GND GND 1 2 GND
GND 3 4 GND GND 3 4 GND
5 6 P21.6 VCC_IN 5 6 VCC_IN
7 8 P21.7 VCC_IN 7 8 VCC_IN
910 P22.4 910 P22.8
11 12 P22.5 11 12 P22.9
13 14 P22.6 13 14 P22.10
15 16 /ESR1 15 16 /ESR0
17 18 P22.7 17 18 P22.11
19 20 GND 19 20 GND
21 22 21 22 /PORST
23 24 P10.5 23 24 P23.3
25 26 P10.4 25 26 P23.4
27 28 P10.2 27 28 P23.1
29 30 P13.1 29 30 P22.1
31 32 P13.0 31 32 P22.0
33 34 P13.3 33 34 P22.3
35 36 P13.2 35 36 P22.2
37 38 P20.9 37 38 P20.10
39 40 P20.13 39 40 P00.4
41 42 P33.5 41 42 P20.6
43 44 P20.3 43 44 P20.2
45 46 P00.0 45 46 P00.3
47 48 P00.1 47 48 P00.2
49 50 P21.2 GND 49 50 GND
51 52 P21.3 XTAL1 51 52 P32.4
53 54 P21.4 XTAL2 53 54
55 56 P21.5 P15.3 55 56 P15.5
57 58 P15.2 57 58 P15.4
59 60 P14.1 59 60 P15.1
61 62 P14.0 61 62 P15.0
63 64 P20.11 63 64 P00.12
65 66 P20.14 65 66 P00.11
67 68 P20.12 67 68 P00.5
69 70 P20.7 69 70 P20.8
71 72 P20.0 P15.8 71 72 P10.8
73 74 P10.7 73 74 P10.3
75 76 VDDSB 75 76 GND
77 78 VEXT 77 78 +3V3
P21.0 79 80 P21.1 VEXT 79 80 +3V3
BUS EXPANSION (X601,X701) PERIPHERALS (X602,X702)