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SCC68692 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. SCC68692
Description  Dual asynchronous receiver/transmitter DUART
Download  30 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SCC68692 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
SCC68692
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
4
BLOCK DIAGRAM
8
D0–D7
R/WN
DTACKN
CSN
A1–A4
RESETN
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
CTUR
CHANNEL A
TRANSMIT
HOLDING REG
TRANSMIT
SHIFT REGISTER
RECEIVE
HOLDING REG (3)
RECEIVE
SHIFT REGISTER
MRA1, 2
CRA
SRA
INPUT PORT
CHANGE OF
STATE
DETECTORS (4)
OUTPUT PORT
FUNCTION
SELECT LOGIC
OPCR
TxDA
RxDA
IP0-IP5
OP0-OP7
VCC
GND
IVR
CHANNEL B
(AS ABOVE)
IPCR
ACR
OPR
CTLR
IACKN
RxDB
TxDB
8
6
SD00145
Figure 2. Block Diagram


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