A microprocessor on a single integrated circuit intended to operate as an embedded system. As well as a CPU, a microcontroller typically includes small amounts of RAM and PROM and timers and I/O ports. An example is the Intel 8751.
Know Before You Go. 1  Parking is in the Sabino Canyon Recreation Area and Visitor Center parking lot; visitors using Cactus Ramada 1 must use a shuttle bus (additional fee) or walk a short distance to the site. 2  This site is for day use only; no overnight camping; day use hours are 7 a.m. to 9 p.m.
Sun temperatures are 15F to 20F (9C-11C) degrees hotter than posted shade temperatures. And keep in mind, the farther into the canyon you go the hotter it gets! Plan your day so you are not hiking between the hours of 10am and 4pm. Take a break near shade and water to avoid the worst heat of day. Enjoy a predawn start and a late afternoon finish. Experienced desert hikers know that the timing of their hike is the most important factor in avoiding hazards. Most of the people who need emergency medical help in the canyon due to heat illness are hiking between 10am and 4pm.