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| Datasheet File OCR Text: |
| C-MOS 16-BIT MICRO PROCESSOR -TOP VIEWTMP68301AF-16(1/4) w w a D . w w 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 w w GND VDD 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 aS t ee h 4U t GND VDD 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 om .c GND GND VDD GND t a .D S a e h U t4 e .c m o VDD GND 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 (VDD = +5.0V) w w w .D ta a he S t4 e U om .c TMP68301AF-16(2/4) 69 70 71 BG/ BGACK/ BR/ IPL1 IPL2 IPL0 7 6 5 4 3 2 1 100 99 97 96 95 94 93 92 91 89 88 87 86 85 83 82 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 IO15/DTRO IO14/DSRO IO13/CTSO IO12/FAULT IO11/PRIME IO10/ACK IO9/BUSY 59 60 63 64 79 80 81 33 34 30 31 32 56 57 58 68 AS UDS LDS R/W FC2 FC1 FC0 RTSO BCLK RXD2 RXD1 RXD0 INT2 INT1 INT0 TIN IO8/DSTB IO7/DATA8 IO6/DATA7 IO5/DATA6 IO4/DATA5 IO3/DATA4 IO2/DATA3 IO1/DATA2 IO0/DATA1 TXD2 TXD1 TXD0 IACK2 IACK1 IACK0 TOUT2 TOUT1 72 75 DTACK BERR RESET HALT 74 73 NOR/ EMU 78 CS1 CS0 CLK 65 36 37 38 39 40 41 42 43 45 46 47 48 49 50 51 52 26 27 28 53 54 55 66 67 76 77 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 8 9 11 12 13 15 16 17 18 19 20 21 22 23 24 25 INPUT BCLK BERR CLK DTACK INT0-2 NOR/EMU RXD0-2 TIN OUTPUT BG(/IPL1) CS0,1 IACK0-2 TOUT1,2 TXD0-2 INPUT/OUTPUT A1-23 ACK AS BGACK(/IPL2) BR(/IPL0) BUSY CTSO,DSRO,DTRO,DSTB D0-15 DATA1-8 FAULT FC0-2 HALT IO0-15 LDS PRIME RESET RTSO R/W UDS ; ; ; ; ; ; ; ; BAUD RATE CLOCK BUS ERROR CLOCK DATA TRANSFER ACKNOWLEDGE INTERRUPT REQUESTS MODE SELECT RECEIVE DATA TIMER INPUT ; ; ; ; ; BUS GROUND CHIP SELECTS INTERRUPT ACKNOWLEDGE TIMER OUTPUTS TRANSFER DATA ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ADDRESS BUS I/O PORT ADDRESS STROBE BUS GROUND ACKNOWLEDGE BUS REQUEST I/O PORT I/O PORTS DATA BUS I/O PORTS I/O PORT FUNCTION CORDS HALT I/O PORT LOWER DATA STROBE I/O PORT RESET TRANSFER REQUEST READ/WRITE UPPER DATA STROBE TMP68301AF-16(3/4) (VDD = +5.0V) PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O -- I/O I/O I/O -- I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O SIGNAL A17 A18 A19 A20 A21 A22 A23 D15 D14 VDD (+5.0V) D13 D12 D11 GND D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 PIN NO. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 I/O O O O -- I I I I/O I -- I/O I/O I/O I/O I/O I/O I/O I/O -- I/O I/O I/O I/O I/O I/O SIGNAL TXD2 TXD1 TXD0 GND RXD2 RXD1 RXD0 RTSO BCLK VDD (+5.0V) IO15/DTRO IO14/DSRO IO13/CTSO IO12/FAULT IO11/PRIME IO10/ACK IO9/BUSY IO8/DSTB GND IO7/DATA8 IO6/DATA7 IO5/DATA6 IO4/DATA5 IO3/DATA4 IO2/DATA3 PIN NO. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 I/O I/O I/O O O O I I I I/O I/O -- -- I/O I/O I O O I O I/O I/O I I/O I/O I SIGNAL IO1/DATA2 IO0/DATA1 IACK2 IACK1 IACK0 INT2 INT1 INT0 AS UDS VDD (+5.0V) GND LDS R/W CLK TOUT2 TOUT1 TIN BG/IPL1 BGACK/IPL2 BR/IPL0 DTACK HALT RESET BERR PIN NO. 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 I/O O O I I/O I/O I/O I/O I/O -- I/O I/O I/O I/O I/O -- I/O I/O I/O I/O I/O I/O I/O -- I/O I/O SIGNAL CS1 CS0 NOR/EMU FC2 FC1 FC0 A1 A2 GND A3 A4 A5 A6 A7 VDD (+5.0V) A8 A9 A10 A11 A12 A13 A14 GND A15 A16 TMP68301AF-16(4/4) DTRO, CTSO RTSO, DSRO 33,36-38 INT 0-2 56-58 BR (/IPL 0) BG (/IPL 1) BGACK (/IPL 2) 71 IACK 0-2 53-55 RXD0-2 TXD0-2 30-32 26-28 BCLK 34 69 70 UART UART UART INTERRUPT REQUEST RECEIVE CIRCUIT PRIORITY DECISION CIRCUIT IPL BAUD RATE GENERATOR BAUD RATE GENERATOR BAUD RATE GENERATOR INTERRUPT ACKNOWLEDGE CORRESPONDENCE CIRCUIT PRESCALER INTERRUPT CONTROLLER SERIAL I/F INTERRUPT REQUEST INTERFACE DTACK BERR CORE PROCESSOR (68 HC 000) WAIT CONTROL 74 TIME OUT SUPER VISION CIRCUIT CS GENERATION CIRCUIT INNER BUS INTERRUPT REQUEST ADDRESS DECODER INTERRUPT REQUEST TIMER PARALLEL I/F A1-23 1-7 82,83 85-89 91-97 99,100 D0-15 8,9 11,13 15-25 AS UDS 59 60 63 64 TIMER/ COUNTER PRESCALER 16BIT BOARD RESET HALT NOR/ EMU CLK TIMER/ COUNTER LDS CENTRONICS CORRES PONDENCE CIRCUIT R/W 73 78 TIMER/ COUNTER FCO-2 79-81 65 76,77 CS1 CSO GND VDD (+5V) 14,29,44,62,84,98 10,35,61,90 72,73 DTACK BERR 68 TIN 66,67 TOUT1,2 36-43, 45-52 IO 0-15 |
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