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XC2230L Datasheet(PDF) 34 Page - Infineon Technologies AG |
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XC2230L Datasheet(HTML) 34 Page - Infineon Technologies AG |
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34 / 112 page ![]() XC2230L, XC2234L XC2000 Family / Econo Line Functional Description Data Sheet 30 V1.3, 2015-02 3.2 Central Processing Unit (CPU) The core of the CPU consists of a 5-stage execution pipeline with a 2-stage instruction- fetch pipeline, a 16-bit arithmetic and logic unit (ALU), a 32-bit/40-bit multiply and accumulate unit (MAC), a register-file providing three register banks, and dedicated SFRs. The ALU features a multiply-and-divide unit, a bit-mask generator, and a barrel shifter. Figure 4 CPU Block Diagram DPRAM CPU IPIP RF R0 R1 GPRs R14 R15 R0 R1 GPRs R14 R15 IFU Injection/ Exception Handler ADU MAC mca04917_x.vsd CPUCON1 CPUCON2 CSP IP Return Stack FIFO Branch Unit Prefetch Unit VECSEG TFR +/- IDX0 IDX1 QX0 QX1 QR0 QR1 DPP0 DPP1 DPP2 DPP3 SPSEG SP STKOV STKUN +/- MRW MCW MSW MAL +/- MAH Multiply Unit ALU Division Unit Multiply Unit Bit-Mask-Gen. Barrel-Shifter +/- MDC PSW MDH ZEROS MDL ONES R0 R1 GPRs R14 R15 CP WB Buffer 2-Stage Prefetch Pipeline 5-Stage Pipeline R0 R1 GPRs R14 R15 PMU DMU DSRAM EBC Peripherals PSRAM Flash/ROM |
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