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ELD5016 데이터시트(PDF) 13 Page - ELAN Microelectronics Corp |
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ELD5016 데이터시트(HTML) 13 Page - ELAN Microelectronics Corp |
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13 / 38 page ![]() eLD5016 8-Bit Microcontroller Product Specification (V1.0) 2.16.2017 9 (This specification is subject to change without prior notice) Bits 5 ~ 0 (RSR5 ~ 0): Indirect addressing for common registers R20 ~ R3F RSR bits are used to select up to 32 registers (R20 to R3F) in indirect addressing mode. For the Data Memory Configuration, refer to Figure 5-3. 5.1.6 R5 (P5IOD: Port 5 I/O Data, Program ROM Page Select) Page 0 (P5IOD: Port 5 I/O Data) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P57 P56 P55 P54 PS3 PS2 PS1 PS0 R/W R/W R/W R/W R/W-0 R/W-0 R/W-0 R/W-0 Bits 7 ~ 4 (P57 ~ P54): 4-bit Port 5 (7 ~ 4) I/O data register Bits 3 ~ 0 (PS3 ~ 0): Page selection bits They should be set before JMP or CALL instruction. Page select bits PS3 PS2 PS1 PS0 Program Memory Page (Address) 0 0 0 0 Page 0 0 0 0 1 Page 1 0 0 1 0 Page 2 0 0 1 1 Page 3 : : : : : 1 1 1 0 Page 14 1 1 1 1 Page 15 User can use PAGE instruction to change page and maintain program page by user. Otherwise, user can use far jump (FJMP) or far call (FCALL) instructions to program user's code. The program page is maintained by Elan's compiler. It will change user's program by inserting instructions within the program. Page 1 (CDAD: Current DAC Input Data Buffer) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 CDAD7 CDAD6 CDAD5 CDAD4 CDAD3 CDAD2 CDAD1 CDAD0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 Bits 7 ~ 0 (CDAD7 ~ 0): Current DAC input data buffer |
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