Datasheet

Table of Contents
i
1 Description ............................................................................................... 2
2 Block Diagram .......................................................................................... 3
3 Pinout Description ................................................................................... 4
3.1 Pinout ................................................................................................................4
3.2 Signals ...............................................................................................................6
4 Typical Application ................................................................................ 12
4.1 Recommended External components .............................................................12
4.2 PCB Recommandations ..................................................................................13
5 Clock Controller ..................................................................................... 14
5.1 Introduction ......................................................................................................14
5.2 Oscillator ..........................................................................................................14
5.3 PLL ..................................................................................................................15
5.4 Registers .........................................................................................................17
6 SFR Mapping .......................................................................................... 20
7 Dual Data Pointer Register .................................................................... 27
8 Program/Code Memory .......................................................................... 29
8.1 External Code Memory Access .......................................................................29
8.2 Flash Memory Architecture ..............................................................................31
8.3 Overview of FM0 Operations ...........................................................................32
8.4 Registers .........................................................................................................37
9 Flash EEPROM Memory ........................................................................ 38
9.1 General Description .........................................................................................38
9.2 Features ..........................................................................................................38
9.3 Flash Programming and Erasure .....................................................................38
9.4 Flash Registers and Memory Map ...................................................................39
9.5 Flash Memory Status .......................................................................................42
9.6 Memory Organization ......................................................................................42
10 EEPROM Data Memory .......................................................................... 43
10.1 Description .......................................................................................................43
10.2 Write Data in the Column Latches ...................................................................43