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PSD8XXF2 PSD8XXF3
PSD8XXF4 PSD8XXF5
Flash In-System-Programmable Microcontroller Peripherals
Table of Contents
1.0
Introduction ...........................................................................................................................................................1
2.0
Key Features ........................................................................................................................................................2
PSD8XXF Block Diagram...............................................................................................................................4
3.0
General Information ..............................................................................................................................................5
4.0
PSD8XXF Family ..................................................................................................................................................5
5.0
PSD8XXF Architectural Overview ........................................................................................................................6
5.1 Memory ...................................................................................................................................................6
5.2 Page Register .........................................................................................................................................6
5.3 PLDs .......................................................................................................................................................6
5.4 I/O Ports..................................................................................................................................................7
5.5 Microcontroller Bus Interface ..................................................................................................................7
5.6 JTAG Port ...............................................................................................................................................7
5.7 In-System Programming .........................................................................................................................8
5.8 Power Management................................................................................................................................8
6.0
Development System............................................................................................................................................9
7.0
PSD8XXF Pin Descriptions ................................................................................................................................10
8.0
PSD8XXF Register Description and Address Offset ..........................................................................................14
9.0
PSD8XXF Functional Blocks ..............................................................................................................................15
9.1 Memory Blocks .....................................................................................................................................15
9.1.1 Main Flash and Flash Boot Memory Description........................................................................15
9.1.2 SRAM .........................................................................................................................................27
9.1.3 Memory Select Signals...............................................................................................................27
9.1.4 Page Register.............................................................................................................................30
9.2 PLDs .....................................................................................................................................................31
9.2.1 Decode PLD (DPLD) ..................................................................................................................33
9.2.2 Complex PLD (CPLD) ................................................................................................................33
9.3 Microcontroller Bus Interface ................................................................................................................42
9.3.1 PSD8XXF Interface to a Multiplexed 8-Bit Bus ..........................................................................42
9.3.2 PSD8XXF Interface to a Non-Multiplexed 8-bit Bus...................................................................42
9.3.3 Data Byte Enable Reference......................................................................................................45
9.3.4 Microcontroller Interface Examples ............................................................................................45
9.4 I/O Ports................................................................................................................................................50
9.4.1 General Port Architecture...........................................................................................................50
9.4.2 Port Operating Modes ................................................................................................................52
9.4.3 Port Configuration Registers (PCRs) .........................................................................................55
9.4.4 Port Data Registers ....................................................................................................................58
9.4.5 Ports A and B – Functionality and Structure ............................................................................59
9.4.6 Port C – Functionality and Structure ........................................................................................61
9.4.7 Port D – Functionality and Structure ........................................................................................61
9.5 Power Management..............................................................................................................................65
9.5.1 Automatic Power Down (APD) Unit and Power Down Mode .....................................................65
9.5.2 Other Power Saving Options......................................................................................................69
9.5.3 Reset and Power On Requirement ............................................................................................70