BH67F2480
Glucose Meter LCD Flash MCU
Table of Contents
Features.................................................................................................................7
CPU Features ...............................................................................................................................7
Peripheral Features.......................................................................................................................7
General Description..............................................................................................8
Block Diagram.......................................................................................................9
Pin Assignment...................................................................................................10
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...........................................................................18
Low Speed Internal Oscillator Characteristics – LIRC ................................................................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
Analog Front End Circuit Characteristics ........................................................23
OPA Electrical Characteristics.....................................................................................................23
Internal Reference Voltage Characteristics.................................................................................23
Analog Switch Electrical Characteristics.....................................................................................23
12-bit D/A Converter Electrical Characteristics ...........................................................................24
A/D Converter Electrical Characteristics.....................................................................................24
I2C Electrical Characteristics.............................................................................24
Power-on Reset Characteristics........................................................................25
System Architecture...........................................................................................26
Clocking and Pipelining...............................................................................................................26
Program Counter.........................................................................................................................27
Stack ...........................................................................................................................................27
Arithmetic and Logic Unit – ALU .................................................................................................28
Flash Program Memory......................................................................................29
Structure......................................................................................................................................29
Special Vectors ...........................................................................................................................29
Look-up Table .............................................................................................................................29
Table Program Example..............................................................................................................30
Rev. 1.70
2
November 14, 2023
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