Z51F3220FNX Datasheet, PDF (4/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
Table of Contents
1. Overview ............................................................................................................................................................... 10
1.1 Description ..................................................................................................................................................... 10
1.2 Features ......................................................................................................................................................... 11
1.3 Ordering Information...................................................................................................................................... 12
1.4 Development Tools........................................................................................................................................ 13
2. Block Diagram ...................................................................................................................................................... 16
3. Pin Assignment..................................................................................................................................................... 17
4. Package Diagram ................................................................................................................................................. 19
5. Pin Description...................................................................................................................................................... 21
6. Port Structures...................................................................................................................................................... 26
6.1 General Purpose I/O Port .............................................................................................................................. 26
6.2 External Interrupt I/O Port..............................................................................................................................27
7. Electrical Characteristics ...................................................................................................................................... 28
7.1 Absolute Maximum Ratings........................................................................................................................... 28
7.2 Recommended Operating Conditions ........................................................................................................... 28
7.3 A/D Converter Characteristics ....................................................................................................................... 29
7.4 Power-On Reset Characteristics ................................................................................................................... 29
7.5 Low Voltage Reset and Low Voltage Indicator Characteristics .................................................................... 30
7.6 High Internal RC Oscillator Characteristics................................................................................................... 31
7.7 Internal Watch-Dog Timer RC Oscillator Characteristics.............................................................................. 31
7.8 LCD Voltage Characteristics ......................................................................................................................... 32
7.9 DC Characteristics......................................................................................................................................... 33
7.10 AC Characteristics ....................................................................................................................................... 35
7.11 SPI0/1/2 Characteristics .............................................................................................................................. 36
7.12 UART0/1 Characteristics ............................................................................................................................. 37
7.13 I2C0/1 Characteristics ................................................................................................................................. 38
7.14 Data Retention Voltage in Stop Mode ......................................................................................................... 39
7.15 Internal Flash Rom Characteristics ............................................................................................................. 40
7.16 Input/Output Capacitance............................................................................................................................ 40
7.17 Main Clock Oscillator Characteristics.......................................................................................................... 41
7.18 Sub Clock Oscillator Characteristics ........................................................................................................... 42
7.19 Main Oscillation Stabilization Characteristics ............................................................................................. 43
7.20 Sub Oscillation Characteristics.................................................................................................................... 43
7.21 Operating Voltage Range ............................................................................................................................ 44
7.22 Recommended Circuit and Layout .............................................................................................................. 45
7.23 Typical Characteristics ................................................................................................................................ 46
8. Memory ................................................................................................................................................................. 49
8.1 Program Memory ........................................................................................................................................... 49
8.2 Data Memory ................................................................................................................................................. 51
8.3 XRAM Memory .............................................................................................................................................. 53
8.4 SFR Map ........................................................................................................................................................ 54
9. I/O Ports................................................................................................................................................................ 63
9.1 I/O Ports ......................................................................................................................................................... 63
9.2 Port Register .................................................................................................................................................. 63
9.3 P0 Port ........................................................................................................................................................... 65
9.4 P1 Port ........................................................................................................................................................... 67
9.5 P2 Port ........................................................................................................................................................... 69
PS029902-0212
PRELIMINARY
1