BH67F2470
Glucose Meter Flash MCU with LCD
Table of Contents
Features............................................................................................................ 7
CPU Features ......................................................................................................................... 7
Peripheral Features................................................................................................................. 7
General Description......................................................................................... 8
Block Diagram.................................................................................................. 9
Pin Assignment................................................................................................ 9
Pin Description ...............................................................................................11
Absolute Maximum Ratings.......................................................................... 15
D.C. Electrical Characteristics...................................................................... 16
Operating Voltage Characteristics......................................................................................... 16
Operating Current Characteristics......................................................................................... 16
Standby Current Characteristics ........................................................................................... 17
A.C. Electrical Characteristics...................................................................... 17
High Speed Internal Oscillator Frequency Accuracy............................................................. 17
Low Speed Internal Oscillator Characteristics ...................................................................... 18
Operating Frequency Characteristic Curves......................................................................... 18
System Start Up Time Characteristics ................................................................................. 19
Input/Output Characteristics ........................................................................ 19
Memory Characteristics................................................................................ 20
LVR/LVD Electrical Characteristics.............................................................. 21
OVP Characteristics ...................................................................................... 21
LCD Characteristics ...................................................................................... 22
OPA Electrical Characteristics ..................................................................... 23
Internal Reference Voltage Characteristics................................................. 23
Analog Switch Electrical Characteristics.................................................... 23
10-bit D/A Converter Electrical Characteristics .......................................... 23
A/D Converter Electrical Characteristics..................................................... 24
Power-on Reset Characteristics................................................................... 24
System Architecture...................................................................................... 25
Clocking and Pipelining......................................................................................................... 25
Program Counter................................................................................................................... 26
Stack ..................................................................................................................................... 26
Arithmetic and Logic Unit – ALU ........................................................................................... 27
Flash Program Memory................................................................................. 27
Structure................................................................................................................................ 27
Special Vectors ..................................................................................................................... 28
Look-up Table ....................................................................................................................... 28
Table Program Example........................................................................................................ 29
In Circuit Programming – ICP ............................................................................................... 29
Rev. 1.80
2
June 14, 2023
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