View cxd8805q datasheet:

( ) CXD8805Q 1/4 IL00 ********** C-MOS RF BLOCK DIGITAL CONTROL INTERFACE -TOP VIEW- 81 50 82 49 83 48 84 47 85 46 86 45 87 44 88 43 89 42 90 GND VDD(+5V) 41 91 VDD(+5V) GND 40 92 39 93 38 94 37 95 36 96 35 97 34 98 GND 33 99 32 100 31 79 78 77 76 75 74 73 72 71 70 69 68 67 65 64 63 62 61 60 59 58 57 56 55 54 53 52 ( ) GND 80 GND 66 V DD +5V 51 1 2 3 4 5 6 7 8 9 10 GND 11 12 13 14 15 GND 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ( ) CXD8805Q 2/4 ( ) VDD = +5V PIN PIN PIN PIN I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL NO. NO. NO. NO. 1 I SACN 26 O ICS1 51 — VDD 76 I/O D3L 2 I SAAD 27 O ICS0 52 I CP14 77 I/O D2L 3 I SBCN 28 O D GND 53 I CP13 78 I/O D1L 4 I SB