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SC18IM704 Datasheet(PDF) 1 Page - NXP Semiconductors |
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SC18IM704 Datasheet(HTML) 1 Page - NXP Semiconductors |
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1 / 28 page  SC18IM704 UART to I2C-bus bridge Rev. 1.0 — 22 September 2021 Product data sheet 1 General description SC18IM704 is designed to serve as an interface between the standard UART port of a microcontroller or microprocessor and the serial I2C-bus; this allows the microcontroller or microprocessor to communicate directly with other I2C-bus devices. SC18IM704 can operate as an I2C-bus controller. SC18IM704 controls all the I2C-bus specific sequences, protocol, arbitration and timing. The host communicates with SC18IM704 with ASCII messages protocol; this makes the control sequences from the host to SC18IM704 become very simple. SC18IM704 is a functional replacement for SC18IM700 with exception of: • New pinout • GPIO no longer has quasi bidirectional mode • Lower operating supply voltage level (1.71 V vs 2.4 V) • Temperature range of -40 to +105 °C vs -40 to +85 °C • Device is rotated 180 degrees in the tape pocket; pin 1 is now in Quadrant 1 2 Features and benefits • UART host interface • I2C-bus controller • Eight programmable I/O pins • High-speed UART: baud rate up to 460.8 kbit/s • Fast-mode I2C-bus: 375 kHz • 256-byte TX FIFO • 256-byte RX FIFO • Programmable baud rate generator • 1.71 V and 3.6 V operation • Sleep mode (power-down) • UART message format resembles I2C-bus transaction format • I2C-bus controller functions • Multi-controller capability • 5 V tolerance on the input pins • 8 N 1 UART format (8 data bits, no parity bit, 1 stop bit) • ESD protection exceeds 2000 V HBM per JESD22-A114 • Latch-up testing is done to JEDEC Standard JESD78 that exceeds 100 mA • Available in TSSOP16 package |
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