M32CSLASH8A datasheet(8/372 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 1 .................................................................................................................................... 33

5.1.1

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

5.1.2

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

5.2

Hardware Reset 2 (Vdet3 detection function) ......................................................................................... 35

5.3

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

5.4

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

5.5

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

Power Supply Voltage Detection Function .................................................................................... 37

6.1

Vdet3 Detection Function ....................................................................................................................... 41

6.2

Vdet4 Detection Function ....................................................................................................................... 42

6.2.1

Usage Notes on Vdet4 Detection Interrupt ......................................................................................... 44

6.3

Cold Start/Warm Start Determine Function ............................................................................................ 44

Processor Mode ............................................................................................................................ 45

7.1

Processor Mode ....................................................................................................................................... 45

7.2

Setting of Processor Mode ...................................................................................................................... 45

Bus ................................................................................................................................................ 49

8.1

Bus Settings ............................................................................................................................................. 49

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