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.
Give some thought to the time of day you want to photograph. According to a number of websites I read, the best times to photograph Horseshoe Bend are between 1pm and 3pm. The sunlight illuminates even the deepest parts of the canyon at that time. To see photographs of the bend at all hours of the day, reference this site.