SC68C2550BIB48,151 NXP Semiconductors, SC68C2550BIB48,151 Datasheet - Page 3

• Manufacturer Part Number: SC68C2550BIB48,151
• Description: IC UART DUAL W/FIFO 48-LQFP
• Manufacturer: NXP Semiconductors
• Type: 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s with 16-byte FIFOsr

Specifications of SC68C2550BIB48,151

• Number Of Channels: 2, DUART
• Package / Case: 48-LQFP
• Features: False-start Bit Detection
• Fifo's: 16 Byte
• Voltage - Supply: 2.5V, 3.3V, 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Data Rate: 5 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.25 V
• Supply Current: 4.5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V or 3.3 V or 5 V
• Transmit Fifo: 16Byte
• Receive Fifo: 16Byte
• Transmitter And Receiver Fifo Counter: Yes
• Package Type: LQFP
• Operating Supply Voltage (max): 5.5V
• Mounting: Surface Mount
• Pin Count: 48
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-3296; 935278765151; SC68C2550BIB48-S

NXP Semiconductors
4. Block diagram
SC68C2550B_3
Product data sheet
Fig 1.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
Block diagram of SC68C2550B
D0 to D7
A0 to A3
RESET
R/W
IRQ
CS
SC68C2550B
INTERRUPT
REGISTER
CONTROL
CONTROL
DATA BUS
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Rev. 03 — 9 October 2009
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
RECEIVE
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
SHIFT
SHIFT
CONTROL
MODEM
LOGIC
SC68C2550B
002aab334
© NXP B.V. 2009. All rights reserved.
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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