psd4235g2v STMicroelectronics, psd4235g2v Datasheet - Page 62

• Manufacturer Part Number: psd4235g2v
• Description: Flash In-system Programmable Isp Peripherals For 16-bit Mcus 3.3 V Supply
• Manufacturer: STMicroelectronics

Complex PLD (CPLD)
17.7
Figure 16. External Chip Select signal
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External Chip Select
The CPLD also provides eight External Chip Select (ECS0-ECS7) outputs that can be used
to select external devices. Each External Chip Select (ECS0-ECS7) consists of one product
term that can be configured active high or low.
The output enable of the pin is controlled by either the output enable product term or the
Direction register. (See
ECS PT
POLARITY
BIT
Figure
ENABLE (.OE) PT
16.)
To Port C or F
ECS
Port C or Port F
DIRECTION
REGISTER
PORT PIN
PSD4235G2V
AI04927