IMP16C552-CJ68 IMP Inc, IMP16C552-CJ68 Datasheet - Page 9

• Manufacturer Part Number: IMP16C552-CJ68
• Description: Dual Universal Asynchronous Receiver/Transmitter (UART) with 16-BYTE FIFO & Parallel Printer Port
• Manufacturer: IMP Inc

9
TABLE1-Reset Configuration of Register and Output Signal for each serial channel
(continued)
Register/signal
XMIT FIFO
FIFO CONTROL
RXRDY° ,TXRDY°
Parallel port
Port data register
Port status register
Port control register
STB°AFD°INIT°SLIN
INT2
Master Reset
Master Reset
Master Reset/internal
conditions
Master Reset
According to Status Pins
Master Reset
Master Reset
According to ACK* INPUT
when enable
Reset control
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IMP16C552
IMP16C552
Reset state
Undefined data
All bits low-{(0-3),6,7forced
and 4,5 permanent}
High
All bits low
Undefined
All bits low except bits 5,6,7
which are high
All pins high except INIT*
which is low
Tri-Stated®
© 2002 IMP, Inc.