M32CSLASH8B datasheet(8/406 Pages) RENESAS

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A - 1

Special Function Register (SFR) Page Reference ............................................................................... B - 1

Overview ......................................................................................................................................... 1

1.1

Features ..................................................................................................................................................... 1

1.1.1

Applications .......................................................................................................................................... 1

1.1.2

Specifications ........................................................................................................................................ 1

1.2

Product List ............................................................................................................................................... 6

1.3

Block Diagram .......................................................................................................................................... 7

1.4

Pin Assignments ........................................................................................................................................ 8

1.5

Pin Functions ........................................................................................................................................... 15

Central Processing Unit (CPU) ..................................................................................................... 18

2.1

General Registers .................................................................................................................................... 19

2.1.1

Data Registers (R0, R1, R2, and R3) .................................................................................................. 19

2.1.2

Address Registers (A0 and A1) .......................................................................................................... 19

2.1.3

Static Base Register (SB) ................................................................................................................... 19

2.1.4

Frame Base Register (FB) .................................................................................................................. 19

2.1.5

User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .............................................................. 19

2.1.6

Interrupt Table Register (INTB) ......................................................................................................... 19

2.1.7

Program Counter (PC) ........................................................................................................................ 19

2.1.8

Flag Register (FLG) ............................................................................................................................ 19

2.2

High-Speed Interrupt Registers ............................................................................................................... 20

2.3

DMAC-Associated Registers .................................................................................................................. 20

Memory ......................................................................................................................................... 21

Special Function Registers (SFRs) ............................................................................................... 22

Reset ............................................................................................................................................. 33

5.1

Hardware Reset ....................................................................................................................................... 33

5.1.1

Reset at a Stable Supply Voltage ........................................................................................................ 33

5.1.2

Power-on Reset ................................................................................................................................... 33

5.2

Software Reset ........................................................................................................................................ 35

5.3

Watchdog Timer Reset ............................................................................................................................ 35

5.4

Internal Registers .................................................................................................................................... 36

Power Supply Voltage Monitor Function ....................................................................................... 37

6.1

Operation of Voltage Monitor Function ................................................................................................. 39

Processor Mode ............................................................................................................................ 40

7.1

Processor Mode ....................................................................................................................................... 40

7.2

Setting of Processor Mode ...................................................................................................................... 40

Bus ................................................................................................................................................ 44

8.1

Bus Settings ............................................................................................................................................. 44

8.1.1

Selecting External Address Bus ......................................................................................................... 45

8.1.2

Selecting External Data Bus ............................................................................................................... 45

8.1.3

Selecting Separate Bus/Multiplexed Bus ........................................................................................... 45

8.2

Bus Control ............................................................................................................................................. 47

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