Table of Contents
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SFR Page Reference
1.
1.1
Applications .................................................................................................1
1.2
Performance Overview................................................................................2
1.3
Block Diagram .............................................................................................4
1.4
Product Information .....................................................................................5
1.5
Pin Assignments..........................................................................................7
1.6
Pin Functions.............................................................................................10
2.
2.1
Data Registers (R0, R1, R2, and R3)........................................................14
2.2
Address Registers (A0 and A1).................................................................14
2.3
Frame Base Register (FB) ........................................................................14
2.4
Interrupt Table Register (INTB) .................................................................14
2.5
Program Counter (PC) ..............................................................................14
2.6
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP).....................14
2.7
Static Base Register (SB)..........................................................................14
2.8
Flag Register (FLG)...................................................................................14
2.8.1
Carry Flag (C).....................................................................................14
2.8.2
Debug Flag (D) ...................................................................................14
2.8.3
Zero Flag (Z).......................................................................................14
2.8.4
Sign Flag (S).......................................................................................14
2.8.5
Register Bank Select Flag (B) ............................................................14
2.8.6
Overflow Flag (O) ...............................................................................14
2.8.7
Interrupt Enable Flag (I)......................................................................15
2.8.8
Stack Pointer Select Flag (U) .............................................................15
2.8.9
Processor Interrupt Priority Level (IPL) ..............................................15
2.8.10
Reserved Bit .......................................................................................15
3.
3.1
R8C/18 Group ...........................................................................................16
3.2
R8C/19 Group ...........................................................................................17
Table of Contents
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