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Contents
CHAPTER 1 OVERVIEW
1.1 Outline of the 32170..........................................................................................1-2
1.1.1 M32R Family CPU Core .............................................................................1-2
1.1.2 Built-in Multiply-Accumulate Operation Function ........................................1-3
1.1.3 Built-in Flash Memory and RAM .................................................................1-3
1.1.4 Built-in Clock Frequency Multiplier .............................................................1-4
1.1.5 Built-in Powerful Peripheral Functions........................................................1-4
1.1.6 Built-in Full-CAN Function ..........................................................................1-6
1.1.7 Built-in Debug Function ..............................................................................1-6
1.2 Block Diagram...................................................................................................1-7
1.3 Pin Function ....................................................................................................1-10
1.4 Pin Layout........................................................................................................1-18
CHAPTER 2 CPU
2.1 CPU Registers ...................................................................................................2-2
2.2 General-purpose Registers..............................................................................2-2
2.3 Control Registers..............................................................................................2-3
2.3.1 Processor Status Word Register: PSW (CR0)............................................2-4
2.3.2 Condition Bit Register: CBR (CR1).............................................................2-5
2.3.3 Interrupt Stack Pointer: SPI (CR2)..............................................................2-5
User Stack Pointer: SPU (CR3)..................................................................2-5
2.3.4 Backup PC: BPC (CR6)..............................................................................2-5
2.4 Accumulator ......................................................................................................2-6
2.5 Program Counter ..............................................................................................2-6
2.6 Data Formats .....................................................................................................2-7
2.6.1 Data Types .................................................................................................2-7
2.6.2 Data Formats ..............................................................................................2-8