Datasheet > SC18IM704PW

SC18IM704PW

更新时间： 2024-10-02 15:18:55

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
28页	485K
描述
Master I2C-bus controller with UART interface

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SC18IM704PW 数据手册

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

12 3 4 5 6 7...28

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