Datasheet

FS98O22
Rev. 1.6 3/146
Contents
1.
DEVICE OVERVIEW ....................................................................................................................................................... 10
1.1 High Performance RISC CPU ..................................................................................................... 10
1.2 Peripheral Features ..................................................................................................................... 10
1.3 Analog Features .......................................................................................................................... 10
1.4 Special Microcontroller Features ............................................................................................... 10
1.5 CMOS Technology ...................................................................................................................... 10
1.6 Applications ................................................................................................................................ 11
1.7 Ordering Information .................................................................................................................. 11
1.8 Pin Configuration ........................................................................................................................ 12
1.9 Pin Description ............................................................................................................................ 13
1.10 Functional Block Diagram .......................................................................................................... 14
1.11 CPU Core ..................................................................................................................................... 16
1.12 Clocking Scheme/Instruction Cycle .......................................................................................... 18
2. ELECTRICAL CHARACTERISTICS .............................................................................................................................. 19
2.1 Absolute Maximum Ratings ....................................................................................................... 19
2.2 DC Characteristics (VDD=3V, T
A
=25℃, unless otherwise noted) ............................................ 19
2.3 ADC Characteristics (VDD=3V, T
A
=25℃, unless otherwise noted) ......................................... 20
2.4 OPAMP Characteristics (VDD=3V, T
A
=25℃, unless otherwise noted) .................................... 20
2.5 Temperature Characteristics(VDD=3V) ........................................................................................... 20
3. MEMORY ORGANIZATION ............................................................................................................................................ 21
3.1 Program Memory Structure ........................................................................................................ 21
3.2 Data Memory Structure ............................................................................................................... 21
3.3 System Special Registers........................................................................................................... 22
3.3.1 Special Register Contents after External Reset (Power On Reset) and WDT Reset .. 22
3.3.2 IND and FSR Registers ................................................................................................... 23
3.3.3 STATUS Register ............................................................................................................. 24
3.3.4 INTE and INTF registers .................................................................................................. 25
3.4 Peripheral Special Registers ...................................................................................................... 27
4. POWER SYSTEM ........................................................................................................................................................... 29
4.1 Voltage Doubler ........................................................................................................................... 33
4.2 Voltage Regulator ........................................................................................................................ 35
4.3 Analog Bias Circuit ..................................................................................................................... 36
4.4 Analog Common Voltage Generator .......................................................................................... 37
4.5 Low Battery Comparator ............................................................................................................ 38
FORTUNE'
Properties
For Reference Only