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DS83C530-ECL Datasheet(PDF) 2 Page - Dallas Semiconductor |
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DS83C530-ECL Datasheet(HTML) 2 Page - Dallas Semiconductor |
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2 / 44 page  DS87C530/DS83C530 2 of 44 DESCRIPTION The DS87C530/DS83C530 EPROM/ROM Micro with Real Time Clock is an 8051-compatible microcontroller based on the Dallas high-speed core. It uses 4 clocks per instruction cycle instead of 12 used by the standard 8051. It also provides a unique mix of peripherals not widely available on other processors. They include an on-chip Real Time Clock (RTC) and battery back up support for an on-chip 1k x 8 SRAM. The new Power Management Mode allows software to select reduced power operation while still processing. A combination of high performance microcontroller core, Real Time Clock, battery backed SRAM, and power management makes the DS87C530/DS83C530 ideal for instruments and portable applications. It also provides several peripherals found on other Dallas High-Speed Microcontrollers. These include two independent serial ports, two data pointers, on-chip power monitor with brown-out detection and a Watchdog Timer. Power Management Mode (PMM) allows software to select a slower CPU clock. While default operation uses four clocks per machine cycle, the PMM runs the processor at 64 or 1024 clocks per cycle. There is a corresponding drop in power consumption when the processor slows. The EMI reduction feature allows software to select a reduced emission mode. This disables the ALE signal when it is unneeded. The DS83C530 is a factory Mask ROM version of the DS87C530 designed for high-volume, cost- sensitive applications. It is identical in all respects to the DS87C530, except that the 16 kB of EPROM is replaced by a user-supplied application program. All references to features of the DS87C530 will apply to the DS83C530, with the exception of EPROM-specific features where noted. Please contact your local Dallas Semiconductor sales representative for ordering information. Note: The DS87C530/DS83C530 is a monolithic device. A user must supply an external battery or super- cap and a 32.768 kHz timekeeping crystal to have permanently powered timekeeping or nonvolatile RAM. The DS87C530/DS83C530 provides all the support and switching circuitry needed to manage these resources. ORDERING INFORMATION PART NUMBER PACKAGE MAX. CLOCK SPEED TEMPERATURE RANGE DS87C530-QCL 52-pin PLCC 33 MHz 0 °C to 70°C DS87C530-QNL 52-pin PLCC 33 MHz -40 °C to +85°C DS87C530-KCL 52-pin windowed CERQUAD 33 MHz 0 °C to 70°C DS87C530-ECL 52-pin TQFP 33 MHz 0 °C to 70°C DS87C530-ENL 52-pin TQFP 33 MHz -40 °C to +85°C DS83C530-QCL 52-pin windowed CERQUAD 33 MHz 0 °C to 70°C DS83C530-QNL 52-pin TQFP 33 MHz -40 °C to +85°C DS83C530-ECL 52-pin TQFP 33 MHz 0 °C to 70°C DS83C530-ENL 52-pin TQFP 33 MHz -40 °C to +85°C |
Similar Part No. - DS83C530-ECL |
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Similar Description - DS83C530-ECL |
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