参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 40/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
SPNS174
– SEPTEMBER 2011
5.8
Inter-Integrated Circuit (I2C)
The inter-integrated circuit (I2C) module is a multi-master communication module providing an interface
between the RM4x microcontroller and devices compliant with Philips Semiconductor I2C-bus specification
version 2.1 and connected by an I2C-bus. This module will support any slave or master I2C compatible
device.
5.8.1
Features
The I2C has the following features:
Compliance to the Philips I2C bus specification, v2.1 (The I2C Specification, Philips document number
9398 393 40011)
– Bit/Byte format transfer
– 7-bit and 10-bit device addressing modes
– General call
– START byte
– Multi-master transmitter/ slave receiver mode
– Multi-master receiver/ slave transmitter mode
– Combined master transmit/receive and receive/transmit mode
– Transfer rates of 10 kbps up to 400 kbps (Phillips fast-mode rate)
Free data format
Two DMA events (transmit and receive)
DMA event enable/disable capability
Seven interrupts that can be used by the CPU
Module enable/disable capability
The SDA and SCL are optionally configurable as general purpose I/O
Slew rate control of the outputs
Open drain control of the outputs
Programmable pullup/pulldown capability on the inputs
Supports Ignore NACK mode
NOTE
This I2C module does not support:
High-speed (HS) mode
C-bus compatibility mode
The combined format in 10-bit address mode (the I2C sends the slave address second
byte every time it sends the slave address first byte)
134
Peripheral Information and Electrical Specifications
Copyright
2011, Texas Instruments Incorporated
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