PSD512B0 Microcontroller Peripherals Datasheet

PSD512B0 Datasheet, PDF, Equivalent


Part Number

PSD512B0

Description

Low Cost Field Programmable Microcontroller Peripherals

Manufacture

STMicroelectronics

Total Page 30 Pages
Datasheet
Download PSD512B0 Datasheet


PSD512B0
PSD5XX
ZPSD5XX
Low Cost Field Programmable Microcontroller Peripherals
NOT FOR NEW DESIGN
FEATURES SUMMARY
s Single Supply Voltage:
– 5 V±10% for PSD5XX
– 2.7 to 5.5 V for PSD5XX-V
s Up to 1 Mbit of UV EPROM
s Up to 16 Kbit SRAM
s Input Latches
s Programmable I/O ports
s Page Logic
s Programmable Security
Figure 1. Packages
PLDCC68 (J)
CLDCC68 (L)
TQFP68 (U)
January 2002
This is information on a product still in production but not recommended for new designs.
1/3

PSD512B0
PSD5XX Family
PSD5XX/ZPSD5XX
Field-Programmable Microcontroller Peripherals
Table of Contents
1 Introduction ...........................................................................................................................................................1
2 Key Features ........................................................................................................................................................3
3 Notation ................................................................................................................................................................4
4 ZPSD Background ................................................................................................................................................4
5 Integrated Power ManagementTM Operation ........................................................................................................6
6 Design Flow ..........................................................................................................................................................7
7 PSD5XX Family ....................................................................................................................................................8
8 Table 2. PSD5XX Pin Descriptions......................................................................................................................9
9 The PSD5XX Architecture ..................................................................................................................................11
9.1 The ZPLD Block..........................................................................................................................................11
9.1.1 The DPLD.........................................................................................................................................14
9.1.2 The GPLD.........................................................................................................................................14
9.1.2.1 Por A Macrocell Structure ..................................................................................................16
9.1.2.2 Port B Macrocell Structure .................................................................................................20
9.1.2.3 Port E Macrocell Structure .................................................................................................23
9.1.3 The PPLD .........................................................................................................................................26
9.1.4 The ZPLD Power Management ........................................................................................................26
9.2 Bus Interface...............................................................................................................................................29
9.2.1 Bus Interface Configuration ..............................................................................................................29
9.2.2 PSD5XX Interface to a Multiplexed Bus ...........................................................................................29
9.2.3 PSD5XX Interface to Non-Multiplexed Bus ......................................................................................30
9.2.4 Data Byte Enable..............................................................................................................................30
9.2.5 Optional Features .............................................................................................................................34
9.2.6 Bus Interface Examples....................................................................................................................34
9.3 I/O Ports......................................................................................................................................................39
9.3.1 Standard MCU I/O ............................................................................................................................39
9.3.2 PLD I/O ...........................................................................................................................................39
9.3.3 Address Out......................................................................................................................................40
9.3.4 Address In ........................................................................................................................................40
9.3.5 Data Port ..........................................................................................................................................40
9.3.6 Special Function Out ........................................................................................................................40
9.3.7 Alternate Function In ........................................................................................................................41
9.3.8 Peripheral I/O ...................................................................................................................................41
9.3.9 Open Drain Outputs..........................................................................................................................41
9.3.10 Port Registers...................................................................................................................................42
9.3.11 Port A – Functionality and Structure.................................................................................................45
9.3.12 Port B – Functionality and Structure.................................................................................................45
9.3.13 Port C and Port D – Functionality and Structure ..............................................................................48
9.3.14 Port E – Functionality and Structure.................................................................................................48
9.4 Memory Block .............................................................................................................................................52
9.4.1 EPROM ............................................................................................................................................52
9.4.2 SRAM ...............................................................................................................................................52
9.4.3 Memory Select Map..........................................................................................................................52
9.4.4 Memory Select Map for 8031 Application.........................................................................................54
9.4.5 Peripheral I/O ...................................................................................................................................56
i


Features PSD5XX ZPSD5XX Low Cost Field Programma ble Microcontroller Peripherals NOT FOR NEW DESIGN FEATURES SUMMARY s Single Supply Voltage: – 5 V±10% for PSD5XX – 2.7 to 5.5 V for PSD5XX-V s Up to 1 Mbit of UV EPROM s Up to 16 Kbit SRAM s Input Latches s Programmable I/O por ts s Page Logic s Programmable Security Figure 1. Packages PLDCC68 (J) CLDCC6 8 (L) TQFP68 (U) January 2002 This is information on a product still in produ ction but not recommended for new desig ns. 1/3 PSD5XX Family PSD5XX/ZPSD5XX Field-Programmable Microcontroller Peri pherals Table of Contents 1 Introductio n ..................................... ....................................... ....................................... ....................................... .1 2 Key Features ..................... ....................................... ....................................... ....................................... ..............3 3 Notation ............ ................................................................
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