ZPSD211R-B-15J STMICROELECTRONICS [STMicroelectronics], ZPSD211R-B-15J Datasheet - Page 4
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ZPSD211R-B-15J
Manufacturer Part Number
ZPSD211R-B-15J
Description
Low Cost Field Programmable Microcontroller Peripherals
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ZPSD211R-B-15J.pdf
(51 pages)
Available stocks
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Part Number
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Part Number:
ZPSD211R-B-15J
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Introduction
The low cost PSD211R family integrates high-performance and user-configurable blocks of
EPROM and programmable logic into one part. The PSD211R products also provide a
powerful microcontroller interface that eliminates the need for external “glue logic”. The
part’s integration, small form factor, low power consumption, and ease of use make it the
ideal part for interfacing to virtually any microcontroller.
The major functional blocks of the PSD211R include:
The PSD211R family architecture (Figure 1) can efficiently interface with, and enhance,
almost any 8-bit multiplexed microcontroller system. This solution provides microcontrollers
the following:
Updated March 1, 1999. See page 47.
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Two programmable logic arrays
256 Kb of EPROM
Input latches
Programmable I/O ports
Programmable security
Chip-select logic, control logic, and latched address signals that are otherwise
implemented discretely
Port expansion (reconstructs lost microcontroller I/O)
An EPROM (with security)
Compatible with 8031-type architectures that use separate Program and Data Space.
Programmable Peripheral
PSD211R
Field-Programmable Microcontroller Peripheral
1