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

Standard 8051 8-Bit Flash MCU
HT85F2260/HT85F2270/HT85F2280
List of Tables
Program Memory Register List................................................................................................................. 33
FMAR0 Register – Flash Program Memory Address Register 0.............................................................. 33
FMAR1 Register – Flash Program Memory Address Register 1.............................................................. 34
FMAR2 Register – Flash Program Memory Address Register 2.............................................................. 34
FMDR Register – Flash Program Memory Data Register........................................................................ 34
FMCR Register – Flash Program Memory Control Register.................................................................... 35
FMKEY Register – Flash Program Memory Unlock Key Data Register................................................... 36
FMSR Register – Flash Program Memory Status Register...................................................................... 36
HT85F2260 Program Memory Contents................................................................................................... 43
HT85F2270 Program Memory Contents................................................................................................... 44
HT85F2280 Program Memory Contents................................................................................................... 44
Security Bytes........................................................................................................................................... 44
General Purpose Data RAM, 20H~2FH, Bit Address Map....................................................................... 50
Special Function Register Bit Addresses Map.......................................................................................... 51
Special Function Register Map................................................................................................................. 52
DPS Register – Data Pointer Select Register........................................................................................... 54
DPC Register – Data Pointer Control Register......................................................................................... 55
PSW Register – Program Status Word Register...................................................................................... 56
Crystal Recommended Capacitor Values................................................................................................. 58
32768Hz Crystal Recommended Capacitor Values.................................................................................. 59
System Clock Control Register – SCCR................................................................................................... 62
High Speed Oscillator Control Register – HSOCR................................................................................... 63
Low Speed Oscillator Control Register – LSOCR.................................................................................... 63
PLL Control Register – PLLCR................................................................................................................. 65
PCON Register – Power Control Register................................................................................................ 67
WDT Register Contents............................................................................................................................ 70
IEN0 Register........................................................................................................................................... 70
IEN1 Register........................................................................................................................................... 71
WDTREL Register.................................................................................................................................... 71
WDTCR Register...................................................................................................................................... 72
IP0 Register.............................................................................................................................................. 72
Watchdog Timer Enable/Disable Control.................................................................................................. 73
LVDCR Register....................................................................................................................................... 75
Reset Source Summary............................................................................................................................ 76
RSTSRC Register..................................................................................................................................... 77
LVRCR Register....................................................................................................................................... 80
IP0 Register.............................................................................................................................................. 81
T2CON1 Register..................................................................................................................................... 82
CP0CR Register....................................................................................................................................... 83
Software Reset Summary......................................................................................................................... 84
SRST Register.......................................................................................................................................... 84
WDTCR Register...................................................................................................................................... 85
LVRCR Register....................................................................................................................................... 85
Rev. 1.00
8 of 226
May 15, 2013