Holtek HT66F002 - Block Diagram; Pin Assignment

Rev. 1.71 8 April 11, 2017 Rev. 1.71 9 April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
Block Diagram
8-bit
RISC
MCU
Core
I/O
Time
Bases
Low Voltage
Reset
Interrupt
Controller
Reset
Circuit
12-bit A/D
Converter
RAM Data
Memory
Timer
Modules
Watchdog
Timer
Internal RC
Oscillators
Flash
Program
Memory
EEPROM
Data
Memory
Flash/EEPROM
Programming Circuitry
Note:LCDfunctionisonlyavailableforHT66F004.
Pin Assignment
HT66F002
10 MSOP-A
10
9
8
7
6
1
2
3
4
5
VDD/AVDD
PA6/STP0I/[STCK0]
PA5/INT/STP0B/AN3
PA7/[INT]/STCK0/RES/ICPCK
PA4
VSS/AVSS
PA0/[STP0]/[STP0I]/AN0/ICPDA
PA1/[STP0B]/AN1/VREF
PA2/[INT]/STP0/AN2/VREFO
PA3/[INT]
HT66F002/HT66F0025
8 SOP-A
VDD/AVDD
PA6/STP0I/[STC K0]
PA5/INT/STP0B/AN3
PA7/[INT]/STCK0/RES/ICPCK
VSS/AVSS
PA0/[STP0]/[STP0I]/AN0/ICPDA
PA1/[STP0B]/AN1/VREF
PA2/[INT]/STP0/AN2/VREFO
8
7
6
5
1
2
3
4
HT66F0025
10 SOP-A
10
9
8
7
6
1
2
3
4
5
VDD/AVDD
PA6/STP0I/[STCK0]
PA5/INT/STP0B/AN3
PA7/[INT]/STCK0/RES/ICPCK
PA4
VSS/AVSS
PA0/[STP0]/[STP0I]/AN0/ICPDA
PA1/[STP0B]/AN1/VREF
PA2/[INT]/STP0/AN2/VREFO
PA3/[INT]