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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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EKTF6708 데이터시트(PDF) 18 Page - ELAN Microelectronics Corp |
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EKTF6708 데이터시트(HTML) 18 Page - ELAN Microelectronics Corp |
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18 / 158 page  eKTF6708 8-Bit Microcontroller 8 IC Product Specification (V1.2) 03.12.2020 (This specification is subject to change without prior notice) 6 Functional Description 6.1 Operational Registers 6.1.1 R0: IAR (Indirect Addressing Register) R0 is not a physically implemented register. Its major function is to perform as an indirect addressing pointer. Any instruction using R0 as a pointer actually accesses data pointed by the RAM Select Register (R4). 6.1.2 R1: BSR (Bank Selection Control Register) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 - - SBS1 SBS0 - GBS2 GBS1 GBS0 0 0 R/W R/W 0 R/W R/W R/W Bits 7~6: Not used. Set to “0” all the time. Bits 5~4 (SBS1~SBS0): Special register bank select bit. It is used to select Banks 0/1/2 of Special Registers R5~R4F. SBS1 SBS0 Special Register Bank 0 0 0 0 1 1 1 0 2 1 1 X Bit 3: Not used. Set to “0” all the time. Bits 2~0 (GBS2~GBS0): General register bank select bit. It is used to select Banks 0~7 of General Registers R80~RFF. GBS2 GBS1 GBS0 RAM Bank 0 0 0 0 0 0 1 1 0 1 0 2 0 1 1 3 1 0 0 4 1 0 1 5 1 1 0 6 1 1 1 7 |
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