HT85F2260 Datasheet, PDF (44/226 Pages) Holtek Semiconductor Inc – Standard 8051 8-Bit Flash MCU

Standard 8051 8-Bit Flash MCU
HT85F2260/HT85F2270/HT85F2280
HT85F2270 Program Memory Contents
The HT85F2270 program memory is divided into 8 sectors, each with a capacity of 4k bytes.
Page
0
1
Address
0x00~0x07
0x08~0x0F
0x10~0x17
0x18~0x1F
0x20~0x6F
0x70~0x7F
0x80~0x87
0x88~0x8F
0x90~0x97
0x98~0x9F
0xA0~0xEF
0xF0~0xFF
Description
SECURITY1[0]~SECURITY1[7]
Not used
SECURITY2[0]~SECURITY2[7]
Not used
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
HT85F2280 Program Memory Contents
The HT85F2280 program memory is divided into 16 sectors, each with a capacity of 4k bytes.
Page
0
1
Address
0x00~0x0F
0x10~0x1F
0x20~0x6F
0x70~0x7F
0x80~0x8F
0x90~0x9F
0xA0~0xEF
0xF0~0xFF
Description
SECURITY1[0]~SECURITY1[15]
SECURITY2[0]~SECURITY2[15]
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Security Bytes
Name
SECURITY1[N]
SECURITY2[N]
Note: N=0~15
Description
Sector N Program/Erase Inhibited Bytes
0xFF: unprotected
Else: protected
Sector N Access Inhibited Bytes
0xFF: unprotected
Else: protected
Rev. 1.00
44 of 226
May 15, 2013