psd4235g2 STMicroelectronics, psd4235g2 Datasheet - Page 59

• Manufacturer Part Number: psd4235g2
• Description: Flash In-system Programmable Isp Peripherals For 16-bit Mcus 5v Supply
• Manufacturer: STMicroelectronics

PSD4235G2
17
Decode PLD (DPLD)
The DPLD, shown in
components. The DPLD can be used to generate the following decode signals:
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●
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8 Sector Select (FS0-FS7) signals for the primary Flash memory (three product terms
each)
4 Sector Select (CSBOOT0-CSBOOT3) signals for the secondary Flash memory (three
product terms each)
1 internal SRAM Select (RS0) signal (three product terms)
1 internal CSIOP Select (PSD Configuration register) signal
1 JTAG Select signal (enables JTAG-ISP on Port E)
2 internal Peripheral Select signals
(Peripheral I/O mode).
Figure
12, is used for decoding the address for internal and external
Decode PLD (DPLD)
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