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ASP00886IRGCT Datasheet(PDF) 53 Page - Texas Instruments |
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ASP00886IRGCT Datasheet(HTML) 53 Page - Texas Instruments |
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53 / 139 page  9 Detailed Description 9.1 CPU The MSP430 CPU has a 16-bit RISC architecture that is highly transparent to the application. All operations, other than program-flow instructions, are performed as register operations in conjunction with seven addressing modes for source operand and four addressing modes for destination operand. The CPU is integrated with 16 registers that provide reduced instruction execution time. The register-to-register operation execution time is one cycle of the CPU clock. Four of the registers, R0 to R3, are dedicated as program counter, stack pointer, status register, and constant generator, respectively. The remaining registers are general-purpose registers (see Figure 9-1). Peripherals are connected to the CPU using data, address, and control buses. The peripherals can be managed with all instructions. The instruction set consists of the original 51 instructions with three formats and seven address modes and additional instructions for the expanded address range. Each instruction can operate on word and byte data. Program Counter PC/R0 Stack Pointer SP/R1 Status Register SR/CG1/R2 Constant Generator CG2/R3 General-Purpose Register R4 General-Purpose Register R5 General-Purpose Register R6 General-Purpose Register R7 General-Purpose Register R8 General-Purpose Register R9 General-Purpose Register R10 General-Purpose Register R11 General-Purpose Register R12 General-Purpose Register R13 General-Purpose Register R15 General-Purpose Register R14 Figure 9-1. Integrated CPU Registers www.ti.com MSP430F5529, MSP430F5528, MSP430F5527, MSP430F5526, MSP430F5525, MSP430F5524, MSP430F5522, MSP430F5521, MSP430F5519, MSP430F5517, MSP430F5515, MSP430F5514, MSP430F5513 SLAS590P – MARCH 2009 – REVISED SEPTEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 53 Product Folder Links: MSP430F5529 MSP430F5528 MSP430F5527 MSP430F5526 MSP430F5525 MSP430F5524 MSP430F5522 MSP430F5521 MSP430F5519 MSP430F5517 MSP430F5515 MSP430F5514 MSP430F5513 |
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