Microcontrollers Data Sheet

MC68HC(7)08KH12Rev. 1.1 Advance Information
Freescale Semiconductor
25
Full Universal Serial Bus Specification 1.1 Composite HUB with
Embedded
1
Functions:
–1 × 12MHz Upstream Port
–4 × 12MHz/1.5MHz Downstream Ports
–1 × Hub Control Endpoint (Endpoint0) with 8 byte transmit
buffer and 8 byte receive buffer
–1 × Hub Interrupt Endpoint (Endpoint1) with 1 byte transmit
buffer
–1 × Device Control Endpoint (Endpoint0) with 8 byte transmit
buffer and 8 byte receive buffer
Device Interrupt Endpoints (Endpoint1 and Endpoint2) share
with 8 byte transmit buffer
On-chip 3.3V regulator for USB Transceiver
System Protection Features
Optional Computer Operating Properly (COP) Reset
Illegal Opcode Detection with Optional Reset
Illegal Address Detection with Optional Reset
Master Reset Pin with Internal Pullup and Power-On Reset
An External Asynchronous Interrupt Pin with Internal Pullup
(IRQ1)
64-pin plastic quad flatpack (QFP) package
1. Embedded device supports only bulk and interrupt transfers, and does not support
isochronous transfers.