Datasheet Texas Instruments LM8333FLQ8Y/NOPB — 数据表

LM8333
www.ti.com SNLS246K – SEPTEMBER 2006 – REVISED MAY 2013 LM8333 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and
ACCESS.bus Host Interface
Check for Samples: LM8333 FEATURES DESCRIPTION The LM8333 Mobile I/O Companion offloads the
burden of keyboard scanning from the host, while
providing extremely low power consumption in both
operational and standby modes. It supports keypad
matrices up to 8 Г— 8 in size (plus another 8 specialfunction keys), for portable applications such as
cellphones, PDAs, games, and other handheld
applications. 1 2 8 Г— 8 Standard Keys
8 Special Function Keys (SF Keys) Providing a
Total of 72 Keys for the Maximum Keyboard
Matrix
ACCESS.Bus (I2C-compatible) Communication
Interface to the Host
Four General Purpose Host Programmable I/O
Pins with Two Optional (Slow) External
Interrupts
15-byte FIFO Buffer to Store Key Pressed and
Key Released Events
Error Control with Error Reports on (FIFO
Overrun, Keypad Overrun, Invalid Command)
Host Programmable PWM …