ZPSD312V Microcontroller Peripherals Datasheet

ZPSD312V Datasheet, PDF, Equivalent


Part Number

ZPSD312V

Description

Low Cost Field Programmable Microcontroller Peripherals

Manufacture

STMicroelectronics

Total Page 30 Pages
Datasheet
Download ZPSD312V Datasheet


ZPSD312V
PSD3XX ZPSD3XX ZPSD3XXV
PSD3XXR ZPSD3XXR ZPSD3XXRV
Low Cost Field Programmable Microcontroller Peripherals
FEATURES SUMMARY
s Single Supply Voltage:
– 5 V±10% for PSD3xx, ZPSD3xx, PSD3xxR,
ZPSD3xxR
– 2.7 to 5.5 V for ZPSD3xxV, ZPSD3xxRV
s Up to 1 Mbit of EPROM
s Up to 16 Kbit SRAM
s Input Latches
s Programmable I/O ports
s Page Logic
s Programmable Security
Figure 1. Packages
PLDCC44 (J)
CLDCC44 (L)
PQFP44 (M)
TQFP44 (U)
January 2002
1/3

ZPSD312V
PSD3XX Family
PSD3XX ZPSD3XX ZPSD3XXV
PSD3XXR ZPSD3XXR ZPSD3XXRV
Low Cost Microcontroller Peripherals
Table of Contents
1 Introduction ...........................................................................................................................................................1
2 Notation ................................................................................................................................................................2
3 Key Features ........................................................................................................................................................4
4 PSD3XX Family Feature Summary ......................................................................................................................5
5 Partial Listing of Microcontrollers Supported ........................................................................................................6
6 Applications ..........................................................................................................................................................6
7 ZPSD Background ................................................................................................................................................6
7.1 Integrated Power ManagementTM Operation .............................................................................................7
8 Operating Modes (MCU Configurations) ............................................................................................................10
9 Programmable Address Decoder (PAD).............................................................................................................12
10 I/O Port Functions ...............................................................................................................................................15
10.1 CSIOPORT Registers..............................................................................................................................15
10.2 Port A (PA0-PA7).....................................................................................................................................16
10.2.1 Port A (PA0-PA7) in Multiplexed Address/Data Mode................................................................16
10.2.2 Port A (PA0-PA7) in Non-Multiplexed Address/Data Mode ........................................................17
10.3 Port B (PB0-PB7).....................................................................................................................................18
10.3.1 Port B (PA0-PA7) in Multiplexed Address/Data Mode................................................................18
10.3.2 Port B (PA0-PA7) in Non-Multiplexed Address/Data Mode ........................................................19
10.4 Port C (PC0-PC2) ....................................................................................................................................20
10.5 ALE/AS Input Pin .....................................................................................................................................20
11 PSD Memory ......................................................................................................................................................21
11.1 EPROM....................................................................................................................................................21
11.2 SRAM (Optional)......................................................................................................................................21
11.3 Page Register (Optional) .........................................................................................................................21
11.4 Programming and Erasure.......................................................................................................................21
12 Control Signals ...................................................................................................................................................22
12.1 ALE or AS ................................................................................................................................................22
12.2 WR or R/W...............................................................................................................................................22
12.3 RD/E/DS (DS option not available on 3X1 devices) ................................................................................22
12.4 PSEN or PSEN ........................................................................................................................................22
12.5 A19/CSI ...................................................................................................................................................23
12.6 Reset Input ..............................................................................................................................................24
13 Program/Data Space and the 8031 ....................................................................................................................26
14 Systems Applications..........................................................................................................................................27
15 Security Mode .....................................................................................................................................................30
16 Power Management............................................................................................................................................30
16.1 CSI Input..................................................................................................................................................30
16.2 CMiser Bit ................................................................................................................................................30
16.3 Turbo Bit (ZPSD Only).............................................................................................................................31
16.4 Number of Product Terms in the PAD Logic............................................................................................31
16.5 Composite Frequency of the Input Signals to the PAD Logic..................................................................32
16.6 Loading on I/O Pins .................................................................................................................................33
17 Calculating Power ...............................................................................................................................................34
i


Features PSD3XX ZPSD3XX ZPSD3XXV PSD3XXR ZPSD3XXR ZPSD3XXRV Low Cost Field Programmable Microcontroller Peripherals FEATURES S UMMARY s Single Supply Voltage: – 5 V ±10% for PSD3xx, ZPSD3xx, PSD3xxR, ZPS D3xxR – 2.7 to 5.5 V for ZPSD3xxV, ZP SD3xxRV s Up to 1 Mbit of EPROM s Up to 16 Kbit SRAM s Input Latches s Program mable I/O ports s Page Logic s Programm able Security Figure 1. Packages PLDCC 44 (J) CLDCC44 (L) PQFP44 (M) TQFP44 (U ) January 2002 1/3 PSD3XX Family PSD 3XX ZPSD3XX ZPSD3XXV PSD3XXR ZPSD3XXR Z PSD3XXRV Low Cost Microcontroller Perip herals Table of Contents 1 Introduction ...................................... ....................................... ....................................... ....................................... 1 2 Notation .......................... ....................................... ....................................... ....................................... .................2 3 Key Features ..... ................................................................
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