Block Diagram; Pin Assignment - Holtek HT67F2350 Manual

HT67F2350/HT67F2360
HT67F2370/HT67F2390
Advanced A/D Flash MCU with LCD & EEPROM

Block Diagram

Flash/EEPROM
Programming Circuitry
EEPROM
Data
Memory
Timer
I/Os
Modules

Pin Assignment

PB6/STP1I/STP1/OSC1/SEG35
PB7/STCK1/OSC2/SEG34
PA0/SEG30/ICPDA/OCDSDA
PA2/SEG29/ICPCK/OCDSCK
PA1/INT0/SCS/SEG26
PA3/INT1/SDO/SEG25
PA4/INT2/SDI/SDA/SEG24
PA5/INT3/SCK/SCL/SEG23
PA6/INT0/RX0/SEG22
PA7/INT1/TX0/SEG21
PB2/PTP3I/PTCK2/PTP3/SEG16
PE0/STCK0/SCSA/SEG7
Rev. 1.60
Low
Voltage
Detect
MDU
Flash
RAM Data
Program IAP
Memory
Memory
SIM
UARTs SPIA
2
(SPI/I C)
48 47 46 45 44 43 42 41
1
2
3
4
5
HT67F2350/HT67V2350
6
48 LQFP-A
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
9
Low
Voltage
8-bit
Reset RISC
MCU
Core
CRC
Watchdog
Time
Timer
Base
12-bit A/D
Converter
Comparators
LCD
Driver
40 39 38 37
PD0/INT2/STP1I/STP1/AN8/SEG45
36
35 PC7/INT3/STCK0/PTP6I/PTP6/AN7/SEG46
PC5/PTCK1/PTP5I/PTP5/AN5/SEG48
34
33 PC3/PTCK0/PTP4I/PTP4/AN3/SEG50
PC1/C0X/VREF/AN1
32
31
PC0/VREFI/AN0/SEG52
30 PLCD
29 VMAX
28
V1
27 PE7/V2/SEG53
26 PE6/C1/SEG54
25 PE5/C2/SEG55
Reset
Circuit
Interrupt
Controller
External
HXT/LXT
Oscillators
Internal
HIRC/LIRC
Oscillators
May 16, 2019