M32CSLASH86 datasheet(5/505 Pages) RENESAS

5 / 505 page

A-1

Table of Contents

Quick Reference by Address _____________________ B-1

1. Overview _____________________________________ 1

1.1 Applications ................................................................................................................ 1

1.2 Performance Overview .............................................................................................. 2

1.3 Block Diagram ............................................................................................................ 3

1.4 Product Information ................................................................................................... 4

1.5 Pin Assignment .......................................................................................................... 5

1.6 Pin Description ........................................................................................................... 9

2. Central Processing Unit (CPU) __________________ 13

2.1 General Registers .................................................................................................... 14

2.1.1 Data Registers (R0, R1, R2 and R3) ................................................................. 14

2.1.2 Address Registers (A0 and A1) ....................................................................... 14

2.1.3 Static Base Register (SB) ................................................................................. 14

2.1.4 Frame Base Register (FB) ................................................................................ 14

2.1.5 Program Counter (PC) ...................................................................................... 14

2.1.6 Interrupt Table Register (INTB) ........................................................................ 14

2.1.7 User Stack Pointer (USP), Interrupt Stack Pointer (ISP) ............................... 14

2.1.8 Flag Register (FLG) ........................................................................................... 14

2.2 High-Speed Interrupt Registers .............................................................................. 15

2.3 DMAC-Associated Registers ................................................................................... 15

3. Memory _____________________________________ 16

4. Special Function Registers (SFR)________________ 17

5. Reset _______________________________________ 37

5.1 Hardware Reset 1 ..................................................................................................... 37

5.1.1 Reset on a Stable Supply Voltage .................................................................... 37

5.1.2 Power-on Reset .................................................................................................. 37

5.2 Brown-Out Detection Reset (Hardware Reset 2) ................................................... 39

5.3 Software Reset ......................................................................................................... 40

5.4 Watchdog Timer Reset ............................................................................................ 40

5.5 Internal Space ........................................................................................................... 41

6. Voltage Detection Circuit _______________________ 42

6.1 Low Voltage Detection Interrupt ............................................................................. 46

6.1.1 Limitations on Exiting Stop/Wait Mode ........................................................... 48

6.2 Cold Start-up / Warm Start-up Determine Function .............................................. 48

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