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Part Number: PSD853F2V
Description: The PSD8XXFX family of memory systems for mi-crocontrollers (MCUs) brings In-System-Program-mability (...
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PSD853F2V
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General Description
PSD853F2V General Description
The PSD8XXFX family of memory systems for mi-crocontrollers (MCUs) brings In-System-Program-mability (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 1 summarizes all the devices in the PSD834F2, PSD853F2, PSD854F2. The CPLD in the PSD devices features an opti-mized macrocell logic architecture. The PSD mac-rocell was created to address the unique requirements of embedded system designs. It al-lows direct connection between the system ad- dress/data bus, and the internal PSD registers, to simplify communication between the MCU and other supporting devices.
The PSD device includes a JTAG Serial Program-ming interface, to allow In-System Programming (ISP) of the entire device. This feature reduces de- velopment time, simplifies the manufacturing flow,and dramatically lowers the cost of field upgrades.Using ST's special Fast-JTAG programming, a de-sign 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 dis-crete 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 program- mer. 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 im-plement IAP.
ST makes available a software development tool,PSDsoft Express, that generates ANSI-C compli-ant 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.
PSD853F2V Maximum Ratings
Max.
| Symbol | Parameter | Min. | Max. | Unit |
| TSTG Storage | Temperature | 65 | 125 | °C |
| TLEAD | Lead Temperature during Soldering (20 seconds max.)1 | 235 | °C | |
| VIO | Input and Output Voltage (Q = VOH or Hi-Z) | 0.6 |
7.0 |
V |
| VCC | Supply Voltage | 0.6 | 7.0 | V |
| VPP | Device Programmer Supply Voltage | 0.6 | 14.0 |
V |
| VESD | Electrostatic Discharge Voltage (Human Body model)2 |
2000 | 2000 | V |
PSD853F2V Features
FLASH IN-SYSTEM PROGRAMMABLE (ISP)
PERIPHERAL FOR 8-BIT MCUS
DUAL BANK FLASH MEMORIES
UP TO 2 Mbit OF PRIMARY FLASH
MEMORY (8 Uniform Sectors, 32K x8)
UP TO 256 Kbit SECONDARY FLASH
MEMORY (4 Uniform Sectors)
Concurrent operation: READ from one
memory while erasing and writing the
other
UP TO 256 Kbit BATTERY-BACKED SRAM
27 RECONFIGURABLE I/O PORTS
ENHANCED JTAG SERIAL PORT
PLD WITH MACROCELLS
Over 3000 Gates of PLD: CPLD and DPLD
CPLD with 16 Output Macrocells (OMCs)
and 24 Input Macrocells (IMCs)
DPLD - user defined internal chip select
decoding
27 INDIVIDUALLY CONFIGURABLE I/O
PORT PINS
The can be used for the following functions:
MCU I/Os
PLD I/Os
Latched MCU address output
Special function I/Os.
16 of the I/O ports may be configured as
open-drain outputs.
IN-SYSTEM PROGRAMMING (ISP) WITH JTAG
Built-in JTAG compliant serial port allows
full-chip In-System Programmability
Efficient manufacturing allow easy
product testing and programming
Use low cost FlashLINK cable with PC
PAGE REGISTER
Internal page register that can be used to
expand the microcontroller address space
by a factor of 256
PROGRAMMABLE POWER MANAGEMENT
HIGH ENDURANCE:
100,000 Erase/WRITE Cycles of Flash Memory
1,000 Erase/WRITE Cycles of PLD
15 Year Data Retention
3.3V±10% SINGLE SUPPLY VOLTAGE
STANDBY CURRENT AS LOW AS 25A
PERIPHERAL FOR 8-BIT MCUS
DUAL BANK FLASH MEMORIES
UP TO 2 Mbit OF PRIMARY FLASH
MEMORY (8 Uniform Sectors, 32K x8)
UP TO 256 Kbit SECONDARY FLASH
MEMORY (4 Uniform Sectors)
Concurrent operation: READ from one
memory while erasing and writing the
other
UP TO 256 Kbit BATTERY-BACKED SRAM
27 RECONFIGURABLE I/O PORTS
ENHANCED JTAG SERIAL PORT
PLD WITH MACROCELLS
Over 3000 Gates of PLD: CPLD and DPLD
CPLD with 16 Output Macrocells (OMCs)
and 24 Input Macrocells (IMCs)
DPLD - user defined internal chip select
decoding
27 INDIVIDUALLY CONFIGURABLE I/O
PORT PINS
The can be used for the following functions:
MCU I/Os
PLD I/Os
Latched MCU address output
Special function I/Os.
16 of the I/O ports may be configured as
open-drain outputs.
IN-SYSTEM PROGRAMMING (ISP) WITH JTAG
Built-in JTAG compliant serial port allows
full-chip In-System Programmability
Efficient manufacturing allow easy
product testing and programming
Use low cost FlashLINK cable with PC
PAGE REGISTER
Internal page register that can be used to
expand the microcontroller address space
by a factor of 256
PROGRAMMABLE POWER MANAGEMENT
HIGH ENDURANCE:
100,000 Erase/WRITE Cycles of Flash Memory
1,000 Erase/WRITE Cycles of PLD
15 Year Data Retention
3.3V±10% SINGLE SUPPLY VOLTAGE
STANDBY CURRENT AS LOW AS 25A
PSD853F2V Connection Diagram
PSD853F2V
PDF/DataSheet Download
- Datasheet: PSD853F2V
- File Size: 1761433 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
- ·PSD03
- Direct ProTek Replacement:PSD03
- 452899 KB
- ·PSD03C
- Direct ProTek Replacement:PSD03C
- 452899 KB
- ·PSD05
- Direct ProTek Replacement:PSD05
- 452899 KB
- ·PSD-0505
- ETC [ETC]
- 1KV ISOLATED 1W UNREGULATED SINGLE OUTPUT SMD
- 301619 KB
- ·PSD-0505D
- PEAK electronics GmbH
- PSD-XXXXD 1KV ISOLATED 1W UNREGULATED DUAL OUTPUT SMD
- 208028 KB
- ·PSD-0505S
- ETC [ETC]
- 1KV ISOLATED 1W UNREGULATED SINGLE OUTPUT SMD
- 301619 KB
- ·PSD-0509D
- PEAK electronics GmbH
- PSD-XXXXD 1KV ISOLATED 1W UNREGULATED DUAL OUTPUT SMD
- 208028 KB
- ·PSD-0509S
- ETC [ETC]
- 1KV ISOLATED 1W UNREGULATED SINGLE OUTPUT SMD
- 301619 KB
PSD853F2V Relative Products
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The feature of PSD853F2-70J are as follows: (1)flash in-system programmable (isp) peripheral for 8-bit mcus; (2)dual bank flash memories; (3)up to 256 kbit battery-backed sram; (4)27 reconfigurable i/o ports; (5)enhanced jtag serial port; (6)pld with macroce...
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