Datasheet Texas Instruments LM8327 — 数据表

LM8327
www.ti.com SNLS329A – SEPTEMBER 2011 – REVISED MAY 2013 LM8327 Mobile I/O Companion Supporting Keyscan, I/O Expansion, PWM, and
ACCESS.bus Host Interface
Check for Samples: LM8327 FEATURES, KEY FEATURES, KEY DEVICE 1 2 Internal RC Oscillator, no External Clock
Required
Internal PWM Clock Generation, no External
Clock Required
Programmable I2C-compatible ACCESS.Bus
Address (Default 0x8A)
Support for Keypad Matrices of up to of 8 x 12
Keys, Plus 8 Special Function (SF) Keys, for a
Full 104 Key Support
Support for up to 26 Direct Connect Keys
I2C-Compatible ACCESS.Bus Slave Interface at
100 kHz (Standard-Mode) and 400 kHz (FastMode)
Three Host-Programmable PWM Outputs for
Smooth LED Brightness Modulation
Supports General-Purpose I/O Expansion on
Pins not Otherwise Used for Keypad or PWM
Output
15-byte Key Event Buffer
Multiple Key Event Storage
Key Events, Errors, and Dedicated Hardware …