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Dual UART with I²C-Bus/SPI Interface, 64 Bs of Transmit and Receive FIFOs, IrDA SIR Built-In Support
The SC16IS752/SC16IS762 is an I²C-bus/SPI bus interface to a dual-channel high performance UART offering data rates up to 5 Mbit/s, low operating and sleeping current; it also provides the application with 8 additional programmable I/O pins. The device comes in very small HVQFN32 and TSSOP28 packages, which makes it ideally suitable for hand-held, battery-operated applications. This chip enables seamless protocol conversion from I²C-bus/SPI to RS-232/RS-485 and is fully bidirectional.
The SC16IS762 differs from the SC16IS752 in that it supports SPI clock speeds up to 15 Mbit/s instead of the 4 Mbit/s supported by the SC16IS752, and in that it supports IrDA SIR up to 1.152 Mbit/s. In all other aspects, the SC16IS762 is functionally and electrically the same as the SC16IS752.
The SC16IS752/SC16IS762’s internal register set is backward compatible with the widely used and widely popular 16C450. This allows the software to be easily written or ported from another platform.
The SC16IS752/SC16IS762 also provides additional advanced features such as auto hardware and software flow control, automatic RS-485 support and software reset. This allows the software to reset the UART at any moment, independent of the hardware reset signal.
Product Details
Block Diagram
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Features
General Features
- Dual full-duplex UART
- I²C-bus or SPI interface selectable
- 3.3 V or 2.5 V operation
- Industrial temperature range: -40 °C to +95 °C
- 64 bytes FIFO (transmitter and receiver)
- Fully compatible with industrial standard 16C450 and equivalent
- Baud rates up to 5 Mbit/s in 16× clock mode
- Auto hardware flow control using /RTS /CTS
- Auto software flow control with programmable Xon/Xoff characters
- Single or double Xon/Xoff characters
- Automatic RS-485 support (automatic follower address detection)
- Up to eight programmable I/O pins
- RS-485 driver direction control via /RTS signal
- RS-485 driver direction control inversion
- Built-in IrDA encoder and decoder supporting IrDA SIR with speeds up to 115.2 kbit/s
- SC16IS762 supports IrDA SIR with speeds up to 1.152 Mbit/s
- Software reset
- Transmitter and receiver can be enabled/disabled independent of each other
- Receive and Transmit FIFO levels
- Programmable special character detection
- Fully programmable character formatting
- 5-bit, 6-bit, 7-bit or 8-bit character
- Even, odd, or no parity
- 1, 1½, or 2 stop bits
- Line break generation and detection
- Internal Loopback mode
- Sleep current less than 30 μA at 3.3 V
- Industrial and commercial temperature ranges
- 5 V tolerant inputs
- Available in HVQFN32 and TSSOP28 packages
I²C-Bus Features
- Noise filter on SCL/SDA inputs
- 400 kbit/s (maximum)
- Compliant with I²C-bus Fast mode
- Target mode only
SPI Features
- SC16IS752 supports 4 Mbit/s maximum SPI clock speed
- SC16IS762 supports 15 Mbit/s maximum SPI clock speed
- Follower mode only
- SPI Mode 0
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1-10 of 16 documents
Compact List
Application Note (7)
Brochure (2)
Data Sheet (1)
Fact Sheet (1)
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Next Generation Bridges - Fact Sheet[NEXTGENBRIDGFS]
Package Information (1)
Packing Information (2)
Supporting Information (1)
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Footprint for wave soldering[SSOP-TSSOP-VSO-WAVE]
White Paper (1)
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What's New in I2C GPIO Devices[WHAT_IS_NEW_IN_I2C_GPIO_DEVICES]
Design Resources
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Independent Design House (IDH)
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