2N3904 2N3906 24WC128J LT1121ACS8-5 SX48BD/TQ

Rev. B (updated 5-11-04) Dual NPN Trans. Pack (10K Res. 2N3904) Single PNP Trans.Pack (10K Res. & 2N3906) Quad Res. Pack

BS2p40-IC MODULE Rev. B (updated 5-11-04) Dual NPN Trans. Pack (10K Res. 2N3904 2N3904) Single PNP Trans.Pack (10K Res. & 2N3906 2N3906) Quad Res. Pack (4.7K Res.) SIN 2 39 VSS ATN 3 38 RES VSS 4 37 VDD P0 5 36 X15 OUT OUT GND GND 24WC128J 24WC128J NC NC NC VSS PC - to - BS2p40-IC connection LT1121ACS8-5 LT1121ACS8-5 VIN IN GND GND NC 40 VDD WP SCL SDA 1 EEPROM SOUT 15µF, 16V PC Serial Port 1 DSR 6 RTS 7 2 Rx 3 Tx 4 DTR 5 GND 0.1µF,100V 0.1µF,100V 8 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SOUT SIN ATN VSS P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 VIN VSS RES VDD X15 X14 X13 X12 X11 X10 X9 X8 X7 X6 X5 X4 X3 X2 X1 X0 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 P1 6 35 X14 P2 7 34 X13 P3 8 33 X12 32 X11 31 X10 30 X9 29 X8 28 X7 27 X6 P10 15 26 X5 P11 16 25 X4 P12 17 24 X3 P13 18 23 X2 P14 19 22 X1 P15 21 X0 20-MHz Res. P4 9 5pF, 50V P5 10 10k BS2p40-IC Module P6 11 1 2 3 4 5 6 7 8 9 10 11 12 P7 12 P8 13 PBASIC48w/p40 Interpreter Chip Parallax custom SX48BD/TQ SX48BD/TQ VSS VSS VDD X15 X14 X13 X12 X11 X10 X9 X8 X7 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 20 P3 P4 P5 P6 P7 VDD VSS P8 P9 P10 P11 P12 X6 X5 X4 VSS VDD X3 X2 X1 X0 P15 P14 P13 P9 14 13 14 15 16 17 18 19 20 21 22 23 24 RES XI XO VDD VSS SDA SCL RX TX P0 P1 P2 Connect DSR and RTS for automatic port detection.