SCC2681AC1A44,512 NXP Semiconductors, SCC2681AC1A44,512 Datasheet - Page 7
![IC DUART 44-PLCC](/photos/6/98/69845/568-44-plcc_sot187-2_sml.jpg)
SCC2681AC1A44,512
Manufacturer Part Number
SCC2681AC1A44,512
Description
IC DUART 44-PLCC
Manufacturer
NXP Semiconductors
Datasheet
1.SCC2681AC1A44512.pdf
(29 pages)
Specifications of SCC2681AC1A44,512
Features
False-start Bit Detection
Package / Case
44-PLCC
Mounting Type
Surface Mount
Voltage
4.5 ~ 5.5V
Number Of Channels
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Fifo's
-
Other names
935274521512::SCC2681AC1A44::SCC2681AC1A44
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SCC2681AC1A44,512
Manufacturer:
TI
Quantity:
334
Company:
Part Number:
SCC2681AC1A44,512
Manufacturer:
NXP Semiconductors
Quantity:
10 000
8. Consecutive write operations to the same command register require at least three edges of the X1 clock between writes.
9. This parameter is not applicable to the 28-pin device.
10. Operation to 0 MHz is assured by design. However, operation at low frequencies is not tested and has not been characterized.
Philips Semiconductors
BLOCK DIAGRAM
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
CTUR
CSRB
CTLR
CSRA
IMR
ACR
ISR
Figure 2. Block Diagram
7
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
SCC2681
SD00085
TxDA
RxDA
TxDB
RxDB
IP0-IP6
OP0-OP7
V
GND
Product data
CC