SC26C92A1B,551 NXP Semiconductors, SC26C92A1B,551 Datasheet - Page 4
![IC UART DUAL W/FIFO 44PQFP](/photos/6/62/66269/568-44-qfp_sot307-2_sml.jpg)
SC26C92A1B,551
Manufacturer Part Number
SC26C92A1B,551
Description
IC UART DUAL W/FIFO 44PQFP
Manufacturer
NXP Semiconductors
Datasheet
1.SC26C92C1A518.pdf
(31 pages)
Specifications of SC26C92A1B,551
Features
Transceiver
Number Of Channels
2, DUART
Fifo's
8 Byte
Voltage - Supply
5V
With Auto Flow Control
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Package / Case
44-MQFP, 44-PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935263028551
SC26C92A1B-S
SC26C92A1B-S
SC26C92A1B-S
SC26C92A1B-S
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC26C92A1B,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Philips Semiconductors
BLOCK DIAGRAM
2000 Jan 31
Dual universal 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
CTPL
CTPL
CSRA
IMR
ACR
ISR
U
Figure 2. Block Diagram
4
8 BYTE TRANSMIT
WATCH DOG TIMER
SHIFT REGISTER
8 BYTE RECEIVE
SELECT LOGIC
DETECTORS (4)
RECEIVE SHIFT
OUTPUT PORT
CHANNEL A
CHANNEL B
(AS ABOVE)
INPUT PORT
CHANGE OF
FUNCTION
TRANSMIT
REGISTER
MRA0, 1, 2
STATE
OPCR
FIFO
FIFO
OPR
CRA
SRA
IPCR
ACR
7
8
Product specification
SC26C92
SD00153
TxDA
RxDA
TxDB
RxDB
IP0-IP6
OP0-OP7
V
V
CC
SS