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TUSB3200CPAH Datasheet(PDF) 50 Page - Texas Instruments |
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TUSB3200CPAH Datasheet(HTML) 50 Page - Texas Instruments |
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50 / 93 page  A–2 A.2 Internal Data Memory The internal data memory space is a total of 256 bytes of RAM, which includes the 128 bytes of special function registers (SFR) space. The internal data memory space is mapped in accordance with the industry standard 8052 MCU. The internal data memory space is mapped from 00h to FFh with the SFRs mapped from 80h to FFh. The lower 128 bytes are accessible with both direct and indirect addressing. However, the upper 128 bytes, which is the SFR space, is only accessible with direct addressing. Program Memory FFFFh 28K - Reserved 9000h 8FFFh Boot ROM (4K) 28K - Reserved 1000h 0FFFh Boot ROM (4K) 0000h External Data Memory FFFFh Memory Mapped Registers (80 Bytes) FFB0h FFAFh USB Endpoint Configuration Blocks and Buffer Space (1968 Bytes) F800h F7FFh 54K - Reserved 2000h 1FFFh Code RAM (8K) (Read/ Write) 0000h 8000h 7FFFh Figure A–1. Boot Loader Mode Memory Map |
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