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SC26C92 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. SC26C92
Description  Dual universal asynchronous receiver/transmitter DUART
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SC26C92 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
SC26C92
Dual universal asynchronous receiver/transmitter (DUART)
2000 Jan 31
4
BLOCK DIAGRAM
8
D0–D7
RDN
WRN
CEN
A0–A3
RESET
INTRN
X1/CLK
X2
4
BUS BUFFER
OPERATION CONTROL
ADDRESS
DECODE
R/W CONTROL
INTERRUPT CONTROL
IMR
ISR
TIMING
BAUD RATE
GENERATOR
CLOCK
SELECTORS
COUNTER/
TIMER
XTAL OSC
CSRA
CSRB
ACR
CTPL
CHANNEL A
8 BYTE TRANSMIT
FIFO
TRANSMIT
SHIFT REGISTER
8 BYTE RECEIVE
FIFO
MRA0, 1, 2
CRA
SRA
INPUT PORT
CHANGE OF
STATE
DETECTORS (4)
OUTPUT PORT
FUNCTION
SELECT LOGIC
OPCR
TxDA
RxDA
IP0-IP6
OP0-OP7
VCC
VSS
CHANNEL B
(AS ABOVE)
IPCR
ACR
OPR
CTPL
U
RxDB
TxDB
8
7
WATCH DOG TIMER
RECEIVE SHIFT
REGISTER
SD00153
Figure 2. Block Diagram


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