# HP 1820-1692 nanoprocessor (from 98034 schematic) # -fmw, 13Aug01 1 PA0 2 PA1 3 PA2 4 PA3 5 PA4 6 PA5 7 PA6 8 PA7 9 PA8 10 PA9 11 NC? 12 DS3 13 DS2 14 DS1 15 DS0 16 R/W 17 GND 18 D0 19 D1 20 D2 21 D3 22 D4 23 D5 24 D6 25 D7 26 PROG. GATE 27 CLK 28 (ACK) 29 (REQ) 30 (ENA) 31 DC6 32 DCS 33 DC4 34 DC3 35 DC2 36 DC1 37 CD0 38 VBG (back bias -2 .. -5v) 39 VCC (+5V) 40 VGG