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UPSD325X Datasheet(PDF) 104 Page - STMicroelectronics

No. de pieza UPSD325X
Descripción Electrónicos  Flash Programmable System Devices with 8032 Microcontroller Core and 256Kbit SRAM
PDF  176 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD325X Datasheet(HTML) 104 Page - STMicroelectronics

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µPSD325X DEVICES
104/176
In-System Programming (ISP)
Using the JTAG signals on Port C, the entire PSD
MODULE device can be programmed or erased
without the use of the MCU. The primary Flash
memory can also be programmed in-system by
the MCU executing the programming algorithms
out of the secondary memory, or SRAM. The sec-
ondary memory can be programmed the same
way by executing out of the primary Flash memo-
ry. The PLD or other PSD MODULE Configuration
blocks can be programmed through the JTAG port
or a device programmer. Table 83 indicates which
programming methods can program different func-
tional blocks of the PSD MODULE.
Table 83. Methods of Programming Different Functional Blocks of the PSD MODULE
Functional Block
JTAG Programming
Device Programmer
IAP
Primary Flash Memory
Yes
Yes
Yes
Secondary Flash Memory
Yes
Yes
Yes
PLD Array (DPLD and CPLD)
Yes
Yes
No
PSD MODULE Configuration
Yes
Yes
No



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