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ELD5016 数据表(PDF) 13 Page - ELAN Microelectronics Corp

部件名 ELD5016
功能描述  8-BIT Microcontroller
PDF  38 Pages
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制造商  EMC [ELAN Microelectronics Corp]
网页  http://www.emc.com.tw
标志 EMC - ELAN Microelectronics Corp

ELD5016 数据表(HTML) 13 Page - ELAN Microelectronics Corp

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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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