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SC16C750B PDF даташит

Спецификация SC16C750B изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «5V / 3.3V and 2.5V UART with 64-byte FIFOs».

Детали детали

Номер произв SC16C750B
Описание 5V / 3.3V and 2.5V UART with 64-byte FIFOs
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SC16C750B Даташит, Описание, Даташиты
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
Rev. 05 — 17 October 2008
Product data sheet
1. General description
The SC16C750B is a Universal Asynchronous Receiver and Transmitter (UART) used for
serial data communications. Its principal function is to convert parallel data into serial
data, and vice versa. The UART can handle serial data rates up to 3 Mbit/s.
The SC16C750B is pin compatible with the TL16C750 and it will power-up to be
functionally equivalent to the 16C450. Programming of control registers enables the
added features of the SC16C750B. Some of these added features are the 64-byte receive
and transmit FIFOs, automatic hardware flow control. The selectable auto-flow control
feature significantly reduces software overload and increases system efficiency while in
FIFO mode by automatically controlling serial data flow using RTS output and CTS input
signals. The SC16C750B also provides DMA mode data transfers through FIFO trigger
levels and the TXRDY and RXRDY signals. On-board status registers provide the user
with error indications, operational status, and modem interface control. System interrupts
may be tailored to meet user requirements. An internal loopback capability allows
on-board diagnostics.
The SC16C750B operates at 5 V, 3.3 V and 2.5 V, the industrial temperature range and is
available in plastic PLCC44, LQFP64, and HVQFN32 packages.
2. Features
I Single channel
I 5 V, 3.3 V and 2.5 V operation
I 5 V tolerant on input only pins1
I Industrial temperature range (40 °C to +85 °C)
I After reset, all registers are identical to the typical 16C450 register set
I Capable of running with all existing generic 16C450 software
I Pin compatibility with the industry-standard ST16C450/550, TL16C450/550,
PC16C450/550. Software compatible with SC16C750 and TL16C750
I Up to 3 Mbit/s transmit/receive operation at 5 V, 2 Mbit/s at 3.3 V, and 1 Mbit/s at 2.5 V
I 64-byte transmit FIFO
I 64-byte receive FIFO with error flags
I Programmable auto-RTS and auto-CTS
N In auto-CTS mode, CTS controls transmitter
N In auto-RTS mode, receive FIFO contents and threshold control RTS
I Automatic hardware flow control
I Software selectable baud rate generator
1. For data bus pins D7 to D0, see Table 24 “Limiting values”.









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SC16C750B Даташит, Описание, Даташиты
NXP Semiconductors
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
I Four selectable Receive interrupt trigger levels
I Standard modem interface
I Sleep mode
I Standard asynchronous error and framing bits (Start, Stop, and Parity Overrun Break)
I Independent receiver clock input
I Transmit, Receive, Line Status, and data set interrupts independently controlled
I Fully programmable character formatting:
N 5-bit, 6-bit, 7-bit, or 8-bit characters
N Even, odd, or no-parity formats
N 1, 112, or 2-stop bit
N Baud generation (DC to 3 Mbit/s)
I False start-bit detection
I Complete status reporting capabilities
I 3-state output TTL drive capabilities for bidirectional data bus and control bus
I Line break generation and detection
I Internal diagnostic capabilities:
N Loopback controls for communications link fault isolation
I Prioritized interrupt system controls
I Modem control functions (CTS, RTS, DSR, DTR, RI, DCD)
3. Ordering information
Table 1. Ordering information
Industrial: VCC = 2.5 V, 3.3 V or 5 V ± 10 %; Tamb = 40 °C to +85 °C.
Type number
Package
Name
Description
SC16C750BIA44 PLCC44 plastic leaded chip carrier; 44 leads
SC16C750BIB64 LQFP64 plastic low profile quad flat package; 64 leads; 10 × 10 × 1.4 mm
SC16C750BIBS
HVQFN32 plastic thermal enhanced very thin quad flat package; no leads;
32 terminals; body 5 × 5 × 0.85 mm
Version
SOT187-2
SOT314-2
SOT617-1
SC16C750B_5
Product data sheet
Rev. 05 — 17 October 2008
© NXP B.V. 2008. All rights reserved.
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SC16C750B Даташит, Описание, Даташиты
NXP Semiconductors
4. Block diagram
SC16C750B
D0 to D7
IOR, IOR
IOW, IOW
RESET
DATA BUS
AND
CONTROL
LOGIC
A0 to A2
CS0, CS1, CS2
AS
DDIS
REGISTER
SELECT
LOGIC
INT
TXRDY
RXRDY
INTERRUPT
CONTROL
LOGIC
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
TRANSMIT
FIFO
REGISTERS
TRANSMIT
SHIFT
REGISTER
FLOW
CONTROL
LOGIC
RECEIVE
FIFO
REGISTERS
RECEIVE
SHIFT
REGISTER
FLOW
CONTROL
LOGIC
TX
RX
CLOCK AND
BAUD RATE
GENERATOR
MODEM
CONTROL
LOGIC
DTR
RTS
OUT1, OUT2
CTS
RI
DCD
DSR
Shown for PLCC44 and LQFP64 pin assignments.
Fig 1. Block diagram of SC16C750B
XTAL1
XTAL2
RCLK BAUDOUT
002aaa588
SC16C750B_5
Product data sheet
Rev. 05 — 17 October 2008
© NXP B.V. 2008. All rights reserved.
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