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MSP430F148IPM Datasheet(PDF) 33 Page - Texas Instruments |
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MSP430F148IPM Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 83 page  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 33 MSP430F149, MSP430F148, MSP430F147 MSP430F1491, MSP430F1481, MSP430F1471 MSP430F135, MSP430F133 www.ti.com SLAS272H – JULY 2000 – REVISED MAY 2018 Submit Documentation Feedback Product Folder Links: MSP430F149 MSP430F148 MSP430F147 MSP430F1491 MSP430F1481 MSP430F1471 MSP430F135 MSP430F133 Detailed Description Copyright © 2000–2018, Texas Instruments Incorporated 6 Detailed Description 6.1 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 6-1). Peripherals are connected to the CPU using data, address, and control buses, and can be handled 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. Figure 6-1. CPU Registers |
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