r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 8

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

SFR Page Reference ........................................................................................................................... B - 1
1.
2.
3.
4.
5.
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3.1
5.1
5.2
5.3
5.4
5.5
5.6
1.1.1
1.1.2
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.8.6
2.8.7
2.8.8
2.8.9
2.8.10
5.1.1
5.1.2
5.1.3
5.1.4
5.2.1
5.2.2
Overview ......................................................................................................................................... 1
Central Processing Unit (CPU) ...................................................................................................... 11
Memory ......................................................................................................................................... 14
Special Function Registers (SFRs) ............................................................................................... 15
Resets ........................................................................................................................................... 27
Features ..................................................................................................................................................... 1
Product List ............................................................................................................................................... 4
Block Diagram .......................................................................................................................................... 5
Pin Assignment .......................................................................................................................................... 6
Pin Functions ............................................................................................................................................. 9
Data Registers (R0, R1, R2, and R3) ...................................................................................................... 12
Address Registers (A0 and A1) ............................................................................................................... 12
Frame Base Register (FB) ....................................................................................................................... 12
Interrupt Table Register (INTB) .............................................................................................................. 12
Program Counter (PC) ............................................................................................................................. 12
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .................................................................. 12
Static Base Register (SB) ........................................................................................................................ 12
Flag Register (FLG) ................................................................................................................................ 12
R8C/34M Group ...................................................................................................................................... 14
Registers .................................................................................................................................................. 29
Hardware Reset ....................................................................................................................................... 32
Power-On Reset Function ....................................................................................................................... 34
Voltage Monitor 0 Reset ......................................................................................................................... 35
Watchdog Timer Reset ............................................................................................................................ 36
Software Reset ......................................................................................................................................... 36
Applications .......................................................................................................................................... 1
Specifications ........................................................................................................................................ 2
Carry Flag (C) ..................................................................................................................................... 12
Debug Flag (D) ................................................................................................................................... 12
Zero Flag (Z) ....................................................................................................................................... 12
Sign Flag (S) ....................................................................................................................................... 12
Register Bank Select Flag (B) ............................................................................................................ 12
Overflow Flag (O) .............................................................................................................................. 12
Interrupt Enable Flag (I) ..................................................................................................................... 13
Stack Pointer Select Flag (U) .............................................................................................................. 13
Processor Interrupt Priority Level (IPL) ............................................................................................. 13
Reserved Bit ........................................................................................................................................ 13
Processor Mode Register 0 (PM0) ...................................................................................................... 29
Reset Source Determination Register (RSTFR) ................................................................................. 29
Option Function Select Register (OFS) .............................................................................................. 30
Option Function Select Register 2 (OFS2) ......................................................................................... 31
When Power Supply is Stable ............................................................................................................. 32
Power On ............................................................................................................................................ 32
Table of Contents
A - 1