GE IS220PAICH2A 336A4940CSP11

Description

GE IS220PAICH2A 336A4940CSP11

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IS220PAICH2A 336A4940CSP11 data transmission format: When sending data from a host to a slave, each byte must be guaranteed to be 8 bits, with the highest bit transmitted first and a response bit required after each byte, meaning that one frame of data has 9 bits.

·When simulating IIC in software, if the slave does not respond to the host addressing signal, it must place the data line at a high level, and the host generates a termination signal to end the data transfer of the bus.

·Each data transmission is always terminated by a termination signal generated by the host. However, if the host wishes to continue occupying the bus for new data transfer, it can immediately issue a start signal again to address another slave without generating a termination signal.

·The difference between hardware and software IIC is:

The IIC timing of IS220PAICH2A 336A4940CSP11 hardware is controlled by the IIC peripherals themselves, without the need for CPU intervention. The CPU only needs to write the corresponding data to the registers.

The timing of software IIC needs to be controlled by the CPU itself, occupying CPU resources.

If high-speed communication is required, it is recommended to choose hardware IIC; If multi-channel communication or flexible timing control is required, it is recommended to choose software IIC.

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