ox16c954 ETC-unknow, ox16c954 Datasheet - Page 7

• Manufacturer Part Number: ox16c954
• Description: High Performance Quad Uart With 128-byte Fifos Intel / Motorola Bus Interface
• Manufacturer: ETC-unknow

2
Data Sheet Revision 1.0
OXFORD SEMICONDUCTOR LTD.
RESET / RESET#
B
IOW# / R/W#
V D E T E C T *
CS0# / CS#
CS1# / A[3]
CS2# / A[4]
LOCK
FIFOSEL
RXRDY#
TXRDY#
CLKSEL
INTEN#
A[2:0]
D[7:0]
VDD
GND
XTLO
CS3#
IOR#
XTLI
I/M#
D
IAGRAM
2
4
NOTE : VDETECT pin is only available on the 80pin TQFP package option
IO Buffer Control
Baud Rate
Generator
and DMA
Motorola
Interface
Interface
Clock &
Control
Intel &
Bus
5v / 3.3v
Power
supply
Figure 1: OX16C954 Block Diagram
SERIAL CHANNEL n ( 1 of 4 shown )
Registers
Control
Status
and
Transmitter
128 Byte
Receiver
128 Byte
Interface
Interrupt
Modem
Control
Control
Logic
FIFO
FIFO
OX16C954 rev B
SOUTn
SINn
RTSn#
DTRn#
OUT1n
OUT2n
CTSn#
DSRn#
DCDn#
RIn#
INTn
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