TC35894FG
Overview
The TC35894FG is IO Expander LSI which has I2C bus slave for host interface, PWM/Timer control, GPIO control, and key matrix control. Those features are set and selected at the TC35894FG registers by software.
Technical Datasheet
Features
- I2C Slave for host interface
- GPIO Functions
‒ Maximum 24 general purpose input/output ports
‒ Selectable input or output port ‒ Selectable pull-up or pull-down / connecting or non-connecting resistor ‒ Selectable drive current (3 types) ‒ Supporting pseudo open drain output buffer ‒ Selectable interrupt detecting by level / edge / both edges and active low / high ‒ Automatic escape from sleep mode by signal input
- Key Board
‒ Key Matrix (Max 8 × 12 = 96 keys) ‒ Support special function keys and dedicated keys ‒ Key de-bouncing function
- PWM / Timer
‒ 3 timer module for LED back light control ‒ LED switching control by PWM sequencer
- Internal oscillator for system clock
- Sleep mode for reducing of power consumption
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