SCC68681C1N40,112 NXP Semiconductors, SCC68681C1N40,112 Datasheet - Page 5

• Manufacturer Part Number: SCC68681C1N40,112
• Description: IC DUART 40DIP
• Manufacturer: NXP Semiconductors
• Type: Dual UARTr

Specifications of SCC68681C1N40,112

• Number Of Channels: 2, DUART
• Package / Case: 40-DIP (0.600", 15.24mm)
• Features: False-start Bit Detection
• Fifo's: 3Bit
• Voltage - Supply: 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Cmos: Yes
• Mounting Type: Through Hole
• Data Rate: 0.1152 MBd
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current: 10 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-5049-5; 935274553112; SCC68681C1N40; SCC68681C1N40,112; SCC68681C1N40

Philips Semiconductors
BLOCK DIAGRAM
2004 Apr 06
Dual asynchronous receiver/transmitter (DUART)
DTACKN
RESETN
X1/CLK
IACKN
INTRN
D0–D7
A1–A4
R/WN
CSN
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
IVR
U
Figure 2. Block Diagram
5
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
STATE
OPCR
MR1, 2
OPR
CRA
SRA
IPCR
ACR
6
8
SCC68681
SD00108
TxDA
RxDA
TxDB
RxDB
IP0-IP5
OP0-OP7
V
GND
Product data
CC