SB16C1058-TQFP128 IK Semicon Co., Ltd, SB16C1058-TQFP128 Datasheet - Page 64

• Manufacturer Part Number: SB16C1058-TQFP128
• Description: Octal-uart Controller With 256-byte Fifo
• Manufacturer: IK Semicon Co., Ltd

IN16C1058
OCTAL UART WITH 256-BYTE FIFO
JUNE 2009
Figure 15:
Figure 16:
64
LEVEL INTERRUPT
TRIGGER LEVEL
LSI INTERRUPT
LSI INTERRUPT
TIMEOUT OR
(FCR6, 7 = 0, 0)
INTERRUPT
Receiver FIFO First Byte (Sets RBR) Timing
Receiver FIFO After First Byte (After RBR Set) Timing
INTx(TRIGGER
REV 1.0
(RD RBR)
(RD LSR)
Sample
(RD RBR)
(RD LSR)
RXDx
Clock
IOR#
IOR#
Sample
RXDx
Clock
IOR#
IOR#
READ FROM FIFO
START
PREVIOUS BYTE
STOP
DATA(5-8)
t
sint
t
sint
PARITY
TOP BYTE OF FIFO
STOP
t
sint
t
rint
t
rint
t
t
rint
rint
TRIGGER LEVEL)
(FIFO BELOW
TRIGGER LEVEL)
(FIFO AT OR ABOVE
TRIGGER LEVEL)
(FIFO BELOW
TRIGGER LEVEL)
(FIFO AT OR ABOVE