SC16C554BIB64,128 NXP Semiconductors, SC16C554BIB64,128 Datasheet - Page 16
![IC UART QUAD SOT314-2](/photos/6/98/69856/568-64-lqfp_sot314-2_sml.jpg)
SC16C554BIB64,128
Manufacturer Part Number
SC16C554BIB64,128
Description
IC UART QUAD SOT314-2
Manufacturer
NXP Semiconductors
Datasheet
1.SC16C554BIB80528.pdf
(58 pages)
Specifications of SC16C554BIB64,128
Number Of Channels
4, QUART
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
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935274932128
SC16C554BIB64-F
SC16C554BIB64-F
SC16C554BIB64-F
SC16C554BIB64-F
NXP Semiconductors
SC16C554B_554DB
Product data sheet
6.1.1 The 16 mode interface
6.1.2 The 68 mode interface
6.1 Interface options
Two user interface modes are selectable for the PLCC68 package. These interface
modes are designated as the ‘16 mode’ and the ‘68 mode’. This nomenclature
corresponds to the early 16C454/554 and 68C454/554 package interfaces respectively.
The 16 mode configures the package interface pins for connection as a standard
16 series (Intel) device and operates similar to the standard CPU interface available on
the 16C454/554. In the 16 mode (pin 16/68 = logic 1), each UART is selected with
individual chip select (CSn) pins, as shown in
Table 3.
The 68 mode configures the package interface pins for connection with Motorola, and
other popular microprocessor bus types. The interface operates similar to the
68C454/554. In this mode, the SC16C554B/554DB decodes two additional addresses,
A3 to A4, to select one of the four UART ports. The A3 to A4 address decode function is
used only when in the 68 mode (16/68 = logic 0), and is shown in
Table 4.
CSA
1
0
1
1
1
CS
1
0
0
0
0
Serial port channel selection, 16 mode interface
Serial port channel selection, 68 mode interface
CSB
1
1
0
1
1
All information provided in this document is subject to legal disclaimers.
A4
n/a
0
0
1
1
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
CSC
1
1
1
0
1
Rev. 4 — 8 June 2010
A3
n/a
0
1
0
1
CSD
1
1
1
1
0
Table
UART channel
none
A
B
C
D
UART channel
none
A
B
C
D
SC16C554B/554DB
3.
Table
© NXP B.V. 2010. All rights reserved.
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