HT82K94E中文资料USB Multimedia Keyboard Encoder 8-Bit MCU数据手册Holtek规格书

描述 Description

This device is an 8-bit high performance RISC architecture microcontroller designed for USB product applications. It is particularly suitable for use in products such as keyboards and keyboard with calculator. A HALT feature is included to reduce power consumption. The mask version HT82K94A is fully pin and functionally compatible with the OTP version HT82K94E device.

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特性 Features

• Operating voltage:
• 40 bidirectional I/O lines (max.)
• 16-bit programmable timer/event counter and overflow interrupts (shared with PA7, vector 0CH)
• Watchdog Timer
• USB 2.0 low speed function
• 6144x16 program memory ROM
• One internal USB interrupt (vector 04H)
• HALT function and wake-up feature reduce power consumption
• Up to 0.33us instruction cycle with 12MHz system clock at VDD=5V
• 16-bit table read instruction
• All instructions in one or two machine cycles
• Optional 2-battery mode 2.2V LVR/2.4V LVD
• Operating voltage from 4.0V to 5.5V (For Connect USB/PS2 Mode)
• 32-pin QFN, 48-pin SSOP/LQFP packages