BH67F2260/BH67F2270
R-Sensor Blood Pressure Meter Flash MCU with LCD
Table of Contents
Features................................................................................................................7
CPU Features ..............................................................................................................................7
Peripheral Features......................................................................................................................7
General Description.............................................................................................8
Selection Table.....................................................................................................9
Block Diagram......................................................................................................9
Pin Assignment..................................................................................................10
Pin Description ..................................................................................................13
Absolute Maximum Ratings..............................................................................22
D.C. Characteristics...........................................................................................22
Operating Voltage Characteristics..............................................................................................22
Standby Current Characteristics ................................................................................................23
Operating Current Characteristics..............................................................................................24
A.C. Characteristics...........................................................................................25
High Speed Internal Oscillator – HIRC – Frequency Accuracy..................................................25
Low Speed Internal Oscillator Characteristics – LIRC ...............................................................25
Low Speed Crystal Oscillator Characteristics – LXT..................................................................26
Operating Frequency Characteristic Curves..............................................................................26
System Start-up Time Characteristics........................................................................................26
Input/Output Characteristics ............................................................................27
Memory Characteristics....................................................................................28
A/D Converter Electrical Characteristics......................................................... 28
LVR/LVD Electrical Characteristics..................................................................29
OPA Electrical Characteristics .........................................................................30
LDO Electrical Characteristics .........................................................................30
LCD Electrical Characteristics .........................................................................30
Power-on Reset Characteristics.......................................................................31
System Architecture..........................................................................................32
Clocking and Pipelining..............................................................................................................32
Program Counter........................................................................................................................33
Stack ..........................................................................................................................................33
Arithmetic and Logic Unit – ALU ................................................................................................34
Flash Program Memory.....................................................................................35
Structure.....................................................................................................................................35
Special Vectors ..........................................................................................................................35
Look-up Table.............................................................................................................................35
Table Program Example.............................................................................................................36
In Circuit Programming – ICP ....................................................................................................38
Rev. 1.00
2
March 15, 2017
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