SC16C554BIB80,557 NXP Semiconductors, SC16C554BIB80,557 Datasheet - Page 23

• Manufacturer Part Number: SC16C554BIB80,557
• Description: IC UART QUAD SOT315-1
• Manufacturer: NXP Semiconductors

Specifications of SC16C554BIB80,557

• Number Of Channels: 4, QUART
• Package / Case: 80-LQFP
• 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: 6 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935274934557; SC16C554BIB80; SC16C554BIB80

NXP Semiconductors
SC16C554B_554DB
Product data sheet
Fig 14. Internal Loopback mode diagram (16 mode)
INTA to INTD
CSA to CSD
D0 to D7
A0 to A2
RXRDY
RESET
TXRDY
IOW
IOR
SC16C554B/554DB
INTERRUPT
REGISTER
CONTROL
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
LOGIC
AND
All information provided in this document is subject to legal disclaimers.
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
Rev. 4 — 8 June 2010
XTAL1
REGISTERS
REGISTERS
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
SC16C554B/554DB
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
002aaa883
© NXP B.V. 2010. All rights reserved.
TXA to TXD
RXA to RXD
RTSA to RTSD
CTSA to CTSD
DTRA to DTRD
DSRA to DSRD
OP1A to OP1D
RIA to RID
OP2A to OP2D
CDA to CDD
23 of 58