Revision history .............................................................................................................................................................. 2
1. Overview ................................................................................................................................................................... 4
1.1 Description .......................................................................................................................................................... 4
1.2 Features .............................................................................................................................................................. 5
1.3 Development tools .............................................................................................................................................. 7
1.3.1 Compiler ...................................................................................................................................................... 7
1.3.2 OCD2(On-chip debugger) emulator and debugger ..................................................................................... 7
1.3.3 Programmer ................................................................................................................................................. 8
1.4 MTP programming ............................................................................................................................................ 10
1.4.1 Overview .................................................................................................................................................... 10
1.4.2 On-Board programming ............................................................................................................................. 10
1.4.3 Circuit Design Guide.................................................................................................................................. 11
2. Block diagram ........................................................................................................................................................ 12
3. Pin assignment ...................................................................................................................................................... 13
4. Package Diagram ................................................................................................................................................... 17
5. Pin Description ....................................................................................................................................................... 21
6. Port Structures ....................................................................................................................................................... 29
6.1 General Purpose I/O Port ................................................................................................................................. 29
6.2 External Interrupt I/O Port ................................................................................................................................. 30
7. Electrical Characteristics ...................................................................................................................................... 31
7.1 Absolute Maximum Ratings .............................................................................................................................. 31
7.2 Recommended Operating Conditions .............................................................................................................. 31
7.3 A/D Converter Characteristics .......................................................................................................................... 32
7.4 D/A Converter Characteristics .......................................................................................................................... 32
7.5 Power-On Reset Characteristics ...................................................................................................................... 33
7.6 Low Voltage Reset and Low Voltage Indicator Characteristics ........................................................................ 33
7.7 Phase Locked Loop Characteristics ................................................................................................................. 33
7.8 Internal RC Oscillator Characteristics ............................................................................................................... 34
7.9 Internal Watch-Dog Timer RC Oscillator Characteristics.................................................................................. 34
7.10 LCD Voltage Characteristics ............................................................................................................................. 35
7.11 DC Characteristics ............................................................................................................................................ 36
7.12 AC Characteristics ............................................................................................................................................ 38
7.13 SPI0/1/2/3 Characteristics ................................................................................................................................ 39
7.14 UART0/1/2/3/4 Characteristics ......................................................................................................................... 40
7.15 I2C0/1 Characteristics ...................................................................................................................................... 41
7.16 Data Retention Voltage in Stop Mode .............................................................................................................. 42
7.17 Internal Flash Rom Characteristics .................................................................................................................. 43
7.18 Input/Output Capacitance ................................................................................................................................. 43
7.19 Main Clock Oscillator Characteristics ............................................................................................................... 44
7.20 Sub Clock Oscillator Characteristics ................................................................................................................ 45
7.21 Main Oscillation Stabilization Characteristics ................................................................................................... 46
7.22 Sub Oscillation Characteristics ......................................................................................................................... 46
7.23 Operating Voltage Range ................................................................................................................................. 47
7.24 Recommended Circuit and Layout ................................................................................................................... 48
7.25 Recommended Circuit and Layout with SMPS Power ..................................................................................... 49
7.26 Typical Characteristics ...................................................................................................................................... 50
8. Memory ................................................................................................................................................................... 53
8.1 Program Memory .............................................................................................................................................. 53
8.2 Data Memory .................................................................................................................................................... 55
8.3 External Data Memory ...................................................................................................................................... 57
8.4 SFR Map ........................................................................................................................................................... 58
8.4.1 SFR Map Summary ................................................................................................................................... 58