Table of Contents
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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
Contents
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Table of Contents
