ST18-AU1 STMICROELECTRONICS [STMicroelectronics], ST18-AU1 Datasheet - Page 7

• Manufacturer Part Number: ST18-AU1
• Description: SIX-CHANNEL DOLBY AC3/MPEG2 AUDIO DECODER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

2
The following tables detail the ST18-AU1 pin set. There is one table for each group of pins.
The tables detail the pin name, type and a short description of the pin function.
Signal names have a bar above if they are active low, otherwise they are active high.
Table 2.1
Pin name
IDE0-15
IAE0-15
IRDE
IWRE
IBSE
PIN DESCRIPTIONS
Direct I bus extension (35 pins)
Type
I/O
O
O
O
O
Description
Instruction data extension bus.
Instruction address extension bus.
I-extension bus read strobe. Active low.
I-extension bus write strobe. Active low.
I-extension bus strobe. Active low. Asserted at the beginning of I-bus read/
write cycle.
ST18-AU1
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