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Details, datasheet, quote on part number:UPD7210C
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Datasheet text preview:
UPD7210C (1/3) IL08
N-MOS GENERAL PURPOSE INTERFACE BUS-INTERFACE CONTROLLER
--TOP VIEW--
12 D0 D1 D2 D3 D4 D5 D6 R7 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6 DIO7 E8 IO 28 39 30 31 32 33 34 35
T/R1 OUT 1 G 2 T/R2 OUT 3 CK IN 4 RESET IN 5 T/R3 OUT 6 DMAREQ OUT 7 DMAACK IN 8 CS IN 9 RD IN 1 WR IN 10 INT OUT 11 D0 I/O 12 D1 I/O 13 D2 I/O 14 D3 I/O 15 D4 I/O 16 D5 I/O 17 D6 I/O 18 D7 I/O 29 0 ND
VDD 40 E 3 39 O1 I/O
13 14 15
38 NDAC I/O 37 NRFD I/O 36 DAV I/O 35 DIO8 I/O 34 DIO7 I/O 33 DIO6 I/O 32 DIO5 I/O 31 DIO4 I/O 20 DIO3 I/O 29 DIO2 I/O 28 DIO1 I/O 27 SRQ I/O 26 ATN I/O 25 REN I/O 24 IFC I/O 23 RS2 I/O 22 RS1 I/O 1 RS0 I/O
16 17 18 3 9
N
OI
39 38 37 26 27 26 25 1 4
NDAC DFD R S AV 2 ARQ R TN IEN 21 22 7 3 RS0 RS1 DS2 T/R1 T/R2 8 9 1 0 CMAACK RS W D R D NT I R3 / T FC
2 5 1
6 1
MAREQ RESET 4
UPD7210C (2/3) C INPUT DS RMAACK RD S0 - RS2 O WR : : : : : : CHIP SELECT DMA ACKNOWLEDGE READ ENABLE REGISTER SELECT WRITE ENABLE
D UTPUT I MAREQ DMA REQUEST TT N : INTERRUPT REQUEST /R1 - T/R3 : TRANSMIT/RECEIVE CONTROL I : A PUT/OUTPUT N DTN ATTENTION 0 - D7 : DATA BUS DAV : DATA VALID IO1 - DIO8 : DATA I EOI : END OR IDENTIFY NC F : INTERFACE CLEAR NDAC : NOT DATA ACCEPTED RRED : NOT READY FOR DATA S EN : REMOTE ENABLE RQ : SERVICE REQUEST
UPD7210C (3/3) REGISTERS
12 - 19 D0 - D7 28 - 35 DIO1 - DIO8
DATA IN COP MAND M T ASS HROUGH
D ESSAGE M ECODER
21 - 23 RS0 - RS2 CS RD WR DMAREQ DMAACK 8 9 10 6 7
BYTE OUT ADDRESS S TATUS ADDRESS M ODE F TERFACE IN UNCTIONS A SH1 T H1 L5/TE5 3/LE3 S RR1 P L1 P1/PP2 D DC1 C1 T C1 C2 C3 C4 5
WEAD R C RITE ONT.
24 - 27, 36 - 39 C GPIB ONTROL
ADDRESS 0 /1 END OF STRING INTERRUPT M ASK 1/2
11
INT
INTERRUPT S TATUS 1/2 SP RIAL E OLL PAP ALLEL R OLL ( AUX A)/(B)/(E) C INTERNAL OUNTER AUX COMMAND
1, 2, 5 T/R1 - T/R3
CK
3
RESET
4
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