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SC16C751B
General description
The SC16C751B 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 5 Mbit/s.
The SC16C751B is functionally equivalent to the SC16C750B, and requires a special software initialization sequence to configure the device to operate (see Section 6.6). Programming of control registers enables the added features of the SC16C751B. 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. 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 SC16C751B operates at 5 V, 3.3 V and 2.5 V, the industrial temperature range and is available in the plastic HVQFN24 package.
Features
- Single channel
- 5 V, 3.3 V and 2.5 V operation
- 5 V tolerant inputs
- Industrial temperature range (-40 Cel to +85 Cel)
- After reset, all registers are identical to the typical 16C450 register set
- Capable of running with all existing generic 16C450 software
- Up to 5 Mbit/s transmit/receive operation at 5 V, 3.3 V; 3 Mbit/s at 2.5 V
- 64-byte transmit FIFO
- 64-byte receive FIFO with error flags
- Programmable auto-RTS and auto-CTS
- In auto-CTS mode, CTS controls transmitter
- In auto-RTS mode, RxFIFO contents and threshold control RTS
- Automatic hardware flow control
- Software selectable baud rate generator
- Four selectable receive interrupt trigger levels
- Standard modem interface
- Sleep mode
- Standard asynchronous error and framing bits (start, stop, and parity overrun break)
- Independent receiver clock input
- Transmit, receive, line status, and data set interrupts independently controlled
- Fully programmable character formatting:
- 5-bit, 6-bit, 7-bit, or 8-bit characters
- Even, odd, or no-parity formats
- 1, 1 1/2, or 2-stop bit
- Baud generation (DC to 5 Mbit/s)
- False start-bit detection
- Complete status reporting capabilities
- 3-state output TTL drive capabilities for bidirectional data bus and control bus
- Line break generation and detection
- Internal diagnostic capabilities:
- Loopback controls for communications link fault isolation
- Prioritized interrupt system controls
- Modem control functions (CTS, RTS)
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| SC16C751BIBS | SC16C751BIBS-F | 9352 847 41128 | Volume production | SOT616-3
(HVQFN24) | Reel Pack, SMD, 13", Turned | Standard Marking | SC16C751BIBS
| |
| SC16C751BIBS | SC16C751BIBS-S | 9352 847 41151 | Volume production | SOT616-3
(HVQFN24) | Tray Pack, Bakeable, Single | Standard Marking | SC16C751BIBS
| |
| SC16C751BIBS | SC16C751BIBS | 9352 847 41157 | Volume production | SOT616-3
(HVQFN24) | Tray Pack, Bakeable, Multiple | Standard Marking | SC16C751BIBS
|
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|
| SC16C751BIBS | 9352 847 41128 | Order samples | |||||||
| SC16C751BIBS | 9352 847 41151 | not available | |||||||
| SC16C751BIBS | 9352 847 41157 | not available |
Applications
Related applications
Cellular phone - MMS functionality
LCD TV - MMS functionality
Set-top box - MMS functionality
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