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EKTF6708 Datasheet(PDF) 135 Page - ELAN Microelectronics Corp

Part # EKTF6708
Description  8-Bit Microcontroller
PDF  158 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EKTF6708 Datasheet(HTML) 135 Page - ELAN Microelectronics Corp

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eKTF6708
8-Bit Microcontroller
IC Product Specification (V1.2) 03.12.2020
 125
(This specification is subject to change without prior notice)
6.15 In Application Programing
R_BANK
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bank 1
0x4D
TBWCR
IALVF IAPEN
R
R/W
Bank 1
0x4E
TBWAL
TBWA[7:0]
R/W
R/W
R/W
R
R
R
R
R
Bank 1
0x4F
TBWAH
TBWA[12:8]
R/W
R/W
R/W
R/W
R/W
The
eKTF6708 supports In-Application Programming. It copies data from RAM to ROM and overwrites
32-word flash ROM.
6.15.1
In Application Programming
The IAP operates as follows:
1.
Set Code Option Word 2[TBWEN].
2.
Move the data you wish to save in flash into RAM.
3.
Set TBWAH/ TBWAL register with programming address.
4.
Enable IAP mode by setting TBWCR[IAPEN].
5.
Write 0xB4 to FLKR register.
6.
Execute TBWR instruction then the data will be written ROM.
*The basic unit of IAP is 32 words, the programming address bit0~4 are Read-Only.
RAM
BANK 7
0x80 Data_1[7:0]
0x81 Data_1[15:8]
0xBF
0xBE
TBWR
ROM
TBWA
Data_1[15:0]
TBWA+1
TBWA+30
TBWA+31
Data_2[15:0]
Data_31[15:0]
Data_32[15:0]
Data_32[7:0]
Data_32[15:8]
NOTE
Execute written ROM, Voltage must greater than 2.2V



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