Freescale Semiconductor MC68HC08KH12 - Manual (Page 25)

MC68HC(7)08KH12 — Rev. 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.