(Hong Kong)
Product Summary
The RM5231A-250H is a microprocessor with 32-bit system bus. The RM5231A-250H offers a high-level of integration targeted at high-performance embedded applications. The key elements of the RM5231A-250H are briefly described below.
Parametrics
RM5231A-250H absolute maximum ratings: (1)VTERM Terminal Voltage with respect to GND: –0.52 to +3.9 V; (2)TCASE Operating Temperature Commercial: 0 to +85 °C, Industrial: –45 to +85 °C; (3)TSTG Storage Temperature: –55 to +125 °C; (4)IIN DC Input Current: ±203 mA; (5)IOUT DC Output Current: ±204 mA.
Features
RM5231A-250H features: (1)Integrated memory management unit; (2)Fully associative joint TLB (shared by I and D translations); (3)48 dual entries map 96 pages; (4)Variable page size (4 KB to 16 MB in 4x increments); (5)High-performance floating-point unit — up to 700 MFLOPS; (6)Single cycle repeat rate for common single-precision operations and some double precision operations; (7)Two cycle repeat rate for double-precision multiply and double precision combined multiply-add operations; (8)Single cycle repeat rate for single-precision combined multiply-add operation; (9)MIPS IV instruction set; (10)Floating point multiply-add instruction increases performance in signal processing and graphics applications; (11)Conditional moves to reduce branch frequency; (12)Index address modes (register + register); (13)Embedded application enhancements; (14)Specialized DSP integer Multiply-Accumulate instructions and 3-operand multiply instruction; (15)I and D cache locking by set; (16)Optional dedicated exception vector for interrupts; (17)Fully static 0.18 micron CMOS design with power down logic; (18)Standby reduced power mode with WAIT instruction; (19)1.65 V or 1.8 V core with 3.3 V or 2.5 V I/O; (20)128-pin QFP package.
Diagrams
