
Contents - 1
Table of Contents
Chapter 1
Overview ...................................................................................................... 1-1
1.1
Features ..................................................................................................................... 1-1
1.2
Block Diagram ........................................................................................................... 1-3
1.3
Pin Configuration ....................................................................................................... 1-4
1.4
Basic Operation Timing ............................................................................................. 1-5
Chapter 2
Pin Descriptions ......................................................................................... 2-1
2.1
P0_0-P0_7 ................................................................................................................. 2-1
2.2
P1_0-P1_7 ................................................................................................................. 2-1
2.3
P2_0-P2_7 ................................................................................................................. 2-1
2.4
P4_0-P4_7 ................................................................................................................. 2-2
2.5
P5_4, P5_5 ................................................................................................................. 2-2
2.6
P6_0-P6_5 ................................................................................................................. 2-3
2.7
P7_0-P7_7 ................................................................................................................. 2-4
2.8
P8_0-P8_7 ................................................................................................................. 2-4
2.9
P9_0-P9_7 ................................................................................................................. 2-5
2.10 P10_0-P10_7 ............................................................................................................. 2-5
2.11 P12_0-P12_7 ............................................................................................................. 2-5
2.12 AI0-AI3 ....................................................................................................................... 2-6
2.13 VREF ........................................................................................................................... 2-6
2.14 AGND ......................................................................................................................... 2-6
2.15 OSC0, OSC1 .............................................................................................................. 2-6
2.16 NMI ............................................................................................................................ 2-6
2.17 RES ............................................................................................................................ 2-6
2.18 EA .............................................................................................................................. 2-6
2.19 VDD ............................................................................................................................. 2-6
2.20 GND ........................................................................................................................... 2-6
2.21 Pin Configurations ..................................................................................................... 2-7
2.22 Unused Pins ............................................................................................................... 2-9
Chapter 3
CPU Architecture ........................................................................................ 3-1
3.1
Memory Space .......................................................................................................... 3-1
3.1.1
Memory Space Expansion ................................................................................. 3-1
3.1.2
Program Memory Space .................................................................................... 3-2
(1) Accessing Program Memory Space ................................................................. 3-4
(2) Vector Table Area ............................................................................................. 3-4
(3) VCAL Table Area .............................................................................................. 3-5
(4) ACAL Area ........................................................................................................ 3-6
3.1.3
Data Memory Space .......................................................................................... 3-7
(1) Special Function Register (SFR) Area .............................................................. 3-9
(2) Expanded Special Function Register (Expanded SFR) Area ............................ 3-9
(3) Internal RAM Area ............................................................................................ 3-9
(4) Fixed Page (FIX) Area ....................................................................................... 3-9