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參數資料
| 型號： | PSD302R-A-20J |
| 廠商： | 意法半導體 |
| 英文描述： | Low Cost Field Programmable Microcontroller Peripherals |
| 中文描述： | 低成本現場可編程微控制器外圍設備 |
| 文件頁數： | 7/85頁 |
| 文件大小： | 691K |
| 代理商： | PSD302R-A-20J |
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PSD3XX Famly
4
3.0
Key Features
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Single-chip programmable peripheral for microcontroller-based applications
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256K to 1 Mbit of UV EPROM with the following features:
Configurable as 32, 64, or 128 K x 8; or as 16, 32, or 64 K x 16
Divided into eight equally-sized mappable blocks for optimized address mapping
As fast as 70 ns access time, which includes address decoding
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Optional 16 Kbit SRAM is configurable as 2K x 8 or 1K x 16. The access time can be
as quick as 70 ns, including address decoding.
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19 I/O pins that can be individually configured for :
Microcontroller I/O port expansion
Programmable Address decoder (PAD) I/O
Latched address output
Open-drain or CMOS output
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Two Programmable Arrays (PAD A and PAD B) replace your PLD or decoder, and have
the following features:
Up to 18 Inputs and 24 outputs
40 Product terms (13 for PAD A and 27 for PAD B)
Ability to decode up to 1 MB of address without paging
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Microcontroller logic that eliminates the need for external “glue logic” has the following
features:
Ability to interface to multiplexed and non-multiplexed buses
Built-in address latches for multiplexed address/data bus
ALE and Reset polarity are programmable (Reset polarity not programmable on
V-versions)
Multiple configurations are possible for interface to many different microcontrollers
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Optional built-in page logic expands the MCU address space by up to 16 times
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Programmable power management with standby current as low as 1μA for low-voltage
version
CMiser bit—programmable option to reduce AC power consumption in memory
Turbo Bit (ZPSD only)—programmable bit to reduce AC and DC power consumption
in the PADs.
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Track Mode that allows other microcontrollers or host processors to share access to the
local data bus
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Built-in security locks the device and PAD decoding configuration
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Wide Operating Voltage Range
V-versions: 2.7 to 5.5 volts
Others: 4.5 to 5.5 volts
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Available in a variety of packaging (44-pin PLDCC, CLDCC, TQFP, and PQFP)
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Simple, menu-driven software (PSDsoft) allows configuration and design entry on a PC.
相關PDF資料 |
PDF描述 |
|---|---|
| PSD302R-A-20JI | Low Cost Field Programmable Microcontroller Peripherals |
| PSD302V-A-25J | Low Cost Field Programmable Microcontroller Peripherals |
| PSD302V-A-25JI | Low Cost Field Programmable Microcontroller Peripherals |
| PSD302V-A-25JM | Low Cost Field Programmable Microcontroller Peripherals |
| PSD302V-A-70J | Low Cost Field Programmable Microcontroller Peripherals |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PSD302R-A-20JI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD302R-A-20JM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD302R-A-25J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD302R-A-25JI | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
| PSD302R-A-25JM | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Cost Field Programmable Microcontroller Peripherals |
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