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Quick Reference ...............................................................................................................B-1
1.
Overview .................................................................................................. 1
1.1
Features........................................................................................................................................ 1
1.1.1
Applications ......................................................................................................................... 1
1.2
Specifications................................................................................................................................ 2
1.3
Product List................................................................................................................................... 6
1.4
Block Diagram .............................................................................................................................. 8
1.5
Pin Assignments ......................................................................................................................... 10
1.6
Pin Functions .............................................................................................................................. 16
2.
Central Processing Unit (CPU)............................................................... 19
2.1
Data Registers (R0, R1, R2, and R3) ......................................................................................... 20
2.2
Address Registers (A0 and A1) .................................................................................................. 20
2.3
Frame Base Register (FB).......................................................................................................... 20
2.4
Interrupt Table Register (INTB)................................................................................................... 20
2.5
Program Counter (PC)................................................................................................................ 20
2.6
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) ...................................................... 20
2.7
Static Base Register (SB) ........................................................................................................... 20
2.8
Flag Register (FLG) .................................................................................................................... 20
2.8.1
Carry Flag (C Flag) ............................................................................................................ 20
2.8.2
Debug Flag (D Flag) .......................................................................................................... 20
2.8.3
Zero Flag (Z Flag) .............................................................................................................. 20
2.8.4
Sign Flag (S Flag) .............................................................................................................. 20
2.8.5
Register Bank Select Flag (B Flag) ................................................................................... 20
2.8.6
Overflow Flag (O Flag) ...................................................................................................... 20
2.8.7
Interrupt Enable Flag (I Flag) ............................................................................................. 21
2.8.8
Stack Pointer Select Flag (U Flag) .................................................................................... 21
2.8.9
Processor Interrupt Priority Level (IPL) ............................................................................. 21
2.8.10
Reserved Areas ................................................................................................................. 21
3.
Memory .................................................................................................. 22
4.
Special Function Registers (SFRs) ........................................................ 24
4.1
SFRs........................................................................................................................................... 24
4.2
Notes on SFRs ........................................................................................................................... 55
4.2.1
Register Settings ............................................................................................................... 55
5.
Protection ............................................................................................... 57
5.1
Introduction ................................................................................................................................. 57
5.2
Register ...................................................................................................................................... 57
Table of Contents
A- 1
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