IMP16C552-CJ68 IMP Inc, IMP16C552-CJ68 Datasheet - Page 32

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

32
(write THR)
TXRDY*
SOUT0
IOW*
(write THR)
TXRDY*
SOUT0
IOW*
FIGURE 15-Transmitter Ready Timing in DMA
FIGURE 16-Transmitter Ready Timing in DMA
(FCR0=0 or FCR0=1 and FCR3=0)
(FCR0=0 or FCR0=1 and FCR3=0)
empty
FIFO not full
DATA
408-432-9100/www.impweb.com
DATA
Mode 0
Mode 1
tWXI
BYTE#1
BYTE#16
tWXI
not empty
PARITY
FIFO full
PARITY
IMP16C552
STOP
IMP16C552
STOP
START
tSXA
tSXA
START
FIFO not full
empty
© 2002 IMP, Inc.