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參數(shù)資料
| 型號： | PSD854F2A-90UT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 256K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64 |
| 封裝： | ROHS COMPLIANT, TQFP-64 |
| 文件頁數(shù)： | 13/128頁 |
| 文件大?。?/td> | 1045K |
| 代理商： | PSD854F2A-90UT |
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PSD8XXFX
Summary description
Doc ID 7833 Rev 7
1
Summary description
The PSD8XXFX family of memory systems for microcontrollers (MCUs) brings in-system-
programmability (ISP) to Flash memory and programmable logic. The result is a simple and
flexible solution for embedded designs. PSD devices combine many of the peripheral
functions found in MCU based applications.
Table 2 summarizes all the devices.
The CPLD in the PSD devices features an optimized macrocell logic architecture. The PSD
macrocell was created to address the unique requirements of embedded system designs. It
allows direct connection between the system address/data bus, and the internal PSD
registers, to simplify communication between the MCU and other supporting devices.
The PSD device includes a JTAG serial programming interface, to allow in-system
programming (ISP) of the entire device. This feature reduces development time, simplifies
the manufacturing flow, and dramatically lowers the cost of field upgrades. Using ST’s
special Fast-JTAG programming, a design can be rapidly programmed into the PSD in as
little as seven seconds.
The innovative PSD8XXFX family solves key problems faced by designers when managing
discrete Flash memory devices, such as:
●
First-time in-system programming (ISP)
●
Complex address decoding
●
Simultaneous read and write to the device.
The JTAG Serial Interface block allows in-system programming (ISP), and eliminates the
need for an external Boot EPROM, or an external programmer. To simplify Flash memory
updates, program execution is performed from a secondary Flash memory while the primary
Flash memory is being updated. This solution avoids the complicated hardware and
software overhead necessary to implement IAP.
ST makes available a software development tool, PSDsoft Express, that generates ANSI-
C compliant code for use with your target MCU. This code allows you to manipulate the non-
volatile memory (NVM) within the PSD. Code examples are also provided for:
●
Flash memory IAP via the UART of the host MCU
●
Memory paging to execute code across several PSD memory pages
●
Loading, reading, and manipulation of PSD macrocells by the MCU.
Table 2.
Product range
Part number(1)
Primary Flash
memory
(8 sectors)
Secondary
Flash memory
(4 sectors)
SRAM
I/O
ports
Number of
macrocells
Serial ISP
JTAG/ISC
port
Turbo
mode
Input
Output
PSD813F2
1 Mbit
256 Kbit
16 Kbit
27
24
16
yes
PSD813F4
1 Mbit
256 Kbit
none
27
24
16
yes
PSD813F5
1 Mbit
none
27
24
16
yes
PSD833F2
1 Mbit
256 Kbit
64 Kbit
27
24
16
yes
PSD834F2
2 Mbit
256 Kbit
64 Kbit
27
24
16
yes
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD854F2V-12JI | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 120ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD854F2V-12MI | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 120ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD854F2V-90J | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD854F2V-90M | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD-8M-01 | 制造商:Richco 功能描述:CB SPT REST MNT NAT 8MM SPC |
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