View hd6417604svf20 datasheet:

HD6417604SVF20 (1/3) IL08 C-MOS RISC CPU �TOP VIEW� 1 108 GND VDD 105 5 VDD GND 100 10 GND VDD VDD GND 95 15 VDD GND NC 90 20 GND GND VDD 85 25 VDD GND 80 30 GND GND 75 35 36 73 FUNCTION OVER VIEWS � CASH MEMORY (4 K BYTE) � FREE RUNNING TIMER (1 CHANNEL) � WATCH DOG TIMER (1 CHANNEL) � SERIAL COMUNICATION I/O 144 140 135 130 125 120 110 109 V DD V DD V DD V DD GND GND GND GND 115 GND V DD V DD GND GND V DD GND 37 40 V DD 45 50 GND 55 60 65 70 72 HD6417604SVF20 (2/3) PIN PIN PIN PIN I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL NO. NO. NO. NO. 1 I/O D11 37 I/O A6 73 O 109 O CAP2 CS1 2 I/O D12 38 I/O A7 74 O 110 I MD2 CS2 3 I/O D13 39 I/O A8 75 O 111 O CS