ad1816a Analog Devices, Inc., ad1816a Datasheet - Page 12

• Manufacturer Part Number: ad1816a
• Description: Soundport Controller
• Manufacturer: Analog Devices, Inc.

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