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AD1816AJS 数据表(PDF) 12 Page - Analog Devices |
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AD1816AJS 数据表(HTML) 12 Page - Analog Devices |
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12 / 52 page ![]() AD1816A –12– REV. A Parallel Interface (All Outputs are 24 mA Drivers) Pin Name PQFP TQFP I/O Description PC_D[7:0] 85–88, 91–94 83–86, 89–92 I/O Bidirectional ISA Bus PC Data, 24 mA drive. Connects the AD1816A to the low byte data on the bus. IRQ (x)* 75–81, 83 73–79, 81 O Host Interrupt Request, 24 mA drive. IRQ (3)/IRQ (9), IRQ (5), IRQ (7), IRQ (9)/IRQ (14), IRQ (10)/IRQ (4), IRQ (11)/IRQ (9)/IRQ (4), IRQ (12)/ IRQ (13), IRQ (15)/IRQ (11). Active HI signals indicating a pending interrupt. DRQ (x) 72–74 70–72 O DMA Request, 24 mA drive. DRQ (0), DRQ (1), DRQ (3). Active HI sig- nals indicating a request for DMA bus operation. PC_A[15:0] 4–19 2–17 I ISA Bus PC Address. Connects the AD1816A to the ISA bus address lines. AEN 20 18 I Address Enable. Low signal indicates a PIO transfer. DACK (x) 59–61 57–59 I DMA Acknowledge. DACK (0), DACK (1), DACK (3). Active LO signal indicating that a DMA operation can begin. IOR 22 20 I I/O Read. Active LO signal indicates a read operation. IOW 21 19 I I/O Write. Active HI signal indicates a write operation. RESET 25 23 I Reset. Active HI. Game Port Pin Name PQFP TQFP I/O Description A_1 50 48 I Game Port A, Button #1. A_2 49 47 I Game Port A, Button #2. A_X 54 52 I Game Port A, X-Axis. A_Y 53 51 I Game Port A, Y-Axis. B_1 52 50 I Game Port B, Button #1. B_2 51 49 I Game Port B, Button #2. B_X 56 54 I Game Port B, X-Axis. B_Y 55 53 I Game Port B, Y-Axis. MIDI Interface Signal (24 mA Drivers) Pin Name PQFP TQFP I/O Description MIDI_IN 66 64 I RXD MIDI Input. This pin is typically connected to Pin 15 of the game port connector. MIDI_OUT 67 65 O TXD MIDI Output. This pin is typically connected to Pin 12 of the game port connector. |
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