SCC2681TC1A44,518 NXP Semiconductors, SCC2681TC1A44,518 Datasheet - Page 3
![IC DUART SOT187-2](/photos/6/98/69845/568-44-plcc_sot187-2_sml.jpg)
SCC2681TC1A44,518
Manufacturer Part Number
SCC2681TC1A44,518
Description
IC DUART SOT187-2
Manufacturer
NXP Semiconductors
Datasheet
1.SCC2681TC1A44518.pdf
(15 pages)
Specifications of SCC2681TC1A44,518
Features
False-start Bit Detection
Number Of Channels
2, DUART
Fifo's
3Bit
Voltage - Supply
4.5 V ~ 5.5 V
With Parallel Port
Yes
With Auto Flow Control
Yes
With False Start Bit Detection
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Package / Case
44-LCC (J-Lead)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935274519518
SCC2681TC1A44-T
SCC2681TC1A44-T
SCC2681TC1A44-T
SCC2681TC1A44-T
Refer to SCC2681 for functional description.
Philips Semiconductors
BLOCK DIAGRAM
NOTE:
2004 Apr 06
Dual asynchronous receiver/transmitter (DUART)
X1/CLK
RESET
INTRN
D0–D7
A0–A3
WRN
CEN
RDN
X2
4
8
OPERATION CONTROL
INTERRUPT CONTROL
R/W CONTROL
BUS BUFFER
GENERATOR
SELECTORS
BAUD RATE
COUNTER/
XTAL OSC
ADDRESS
DECODE
CLOCK
TIMING
TIMER
CSRB
CTLR
CTLR
CSRA
IMR
ACR
ISR
U
Figure 1. Block Diagram
3
SHIFT REGISTER
HOLDING REG (3)
SHIFT REGISTER
SELECT LOGIC
DETECTORS (4)
HOLDING REG
OUTPUT PORT
CHANNEL A
CHANNEL B
(AS ABOVE)
INPUT PORT
CHANGE OF
FUNCTION
TRANSMIT
TRANSMIT
RECEIVE
RECEIVE
MRA1, 2
STATE
OPCR
OPR
CRA
SRA
IPCR
ACR
7
8
SCC2681T
SD00099
TxDA
RxDA
TxDB
RxDB
IP0-IP6
OP0-OP7
V
GND
Product data
CC