New MAX7359 key-switch controller with the I2C interface and FIFO register, implements up to 64 keys. (New programming guide).
Maxim published new application note “Using the MAX7359 for Multifunctional and Gaming Keys on PDAs/Smartphones: A Programming Guide.” The MAX7359 is a special-purpose key-switch controller suitable for cell phones, printers, and other portable applications. It implements up to 64 keys and separate keypress and release codes are assigned for every key. Multiple keys can be [...]