VersaBoard 8052 Revised: January 26, 1992 VRSA8052.SCH Revision: 2.0 Bill Of Materials November 15, 1991 13:13:55 Page 1 Item Quantity Reference Part ____________________________________________________________ 1 8 BR1,BR2,BR4,BR5,BR6,BR7, BRIDGE CLOSED BR8,BR9 2 1 BT1 LI-BAT. ER3VP 3.6V TOSHIBA 3 1 CN1 POWER IN B3P-SHF-1AA JST 4 1 CN2 ! 12.5/21V B2P-SHF-1AA JST 5 1 CN3 8052 P1 B8P-SHF-1AA JST 6 1 CN4 MISC. OUT B5P-SHF-1AA JST 7 1 CN5 8255 PORT-CP B10P-SHF-1AA JST 8 1 CN6 OPTION BUS NO CONNECTION 9 1 CN7 8255 PORT-C NO CONNECTION 10 1 CN8 8255 PORT-A B8P-SHF-1AA JST 11 1 CN9 8255 PORT-B B8P-SHF-1AA JST 12 1 CN10 RS232C H1F3FB-10PA-2.54DSA 13 1 CN11 RESET B2P-SHF-1AA JST 14 1 CN12 ADC IN B5P-SHF-1AA JST 15 1 CN13 ADC IN(DIRECT) NO CONNECTION 16 1 CN14 LCD I/O NO CONNECTION 17 28 C1,C2,C4,C5,C6,C7,C8,C9, .1 D55Y5V1H104Z C10,C11,C12,C13,C16,C17, C18,C19,C20,C21,C22,C23, C24,C25,C26,C27,C31,C32, C33,C34 18 2 C3,C36 10UF 16V 19 2 C14,C15 30P 20 4 C28,C29,C30,C35 47UF 16V 21 1 D1 10D1 22 10 D2,D3,D4,D5,D6,D7,D8,D9, 1S1588 D10,D11 23 1 JP1 AD15 3P 24 1 JP2 EPROM/EEPROM 3P VersaBoard 8052 Revised: January 26, 1992 VRSA8052.SCH Revision: 2.0 Bill Of Materials November 15, 1991 13:13:55 Page 2 Item Quantity Reference Part ____________________________________________________________ 25 1 JP3 EXT/INT ROM SELECT 3P 26 1 JP4 EPROM SIZE 3P 27 1 JP5 USER ROM 3P 28 1 JP6 (1-2)CLOSED 8051/52 3P 29 1 JP7 64K CLOSE 2P 30 1 JP8 (1-2)CLOSED RAM /OE 3P 31 1 JP9 SELECT 3P 32 2 JP10,JP11 INT SELECT N.C 33 2 JP12,JP16 IN/OUT 3P 34 1 JP13 BATT.SW 2P 35 1 JP14 RS485 TERMINATION N.C 36 1 JP15 RS485 SELECT N.C 37 1 Q1 uPC7805 38 1 Q2 2SA1015 39 3 RP1,RP2,RP3 8X47K RESISTER ARRAY 40 7 R1,R2,R3,R4,R8,R9,R10 10Kohm 1/4W 41 10 R5,R6,R12,R13,R14,R15, 1Kohm 1/4W R16,R17,R18,R19 42 1 R7 100ohm 1/4W 43 1 R11 4.7Kohm 1/4W 44 1 U1 74ALS373 45 1 U2 74AHCT245 46 2 U3,U5 74AHCT541 47 1 U4 8052AH/8051 48 1 U6 74LS04 49 1 U7 74LS08 50 1 U8 62256(SRAM) VersaBoard 8052 Revised: January 26, 1992 VRSA8052.SCH Revision: 2.0 Bill Of Materials November 15, 1991 13:13:55 Page 3 Item Quantity Reference Part ____________________________________________________________ 51 1 U9 2764/128/256/512 52 1 U10 2764/128 53 1 U11 TD62083AP 54 1 U12 RTC-62421A or B 55 1 U13 7407 56 1 U14 PST532A 57 1 U15 75176 58 1 U16 74HCT139 59 1 U17 74HCT138 60 1 U18 uPD7004C 61 1 U19 uPD71055C 62 2 U20,U22 74LS645 63 1 U21 MAX232CPE 64 1 X1 11.0592MHZ 65 1 LCD 16X2 LM162C04 w/back-light LM16257 66 1 VOLUME 50kohm B curve