STOTG04ES

Block description

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6.12

External charge pump switch

The ADR_PSW pin has two functions. State of this pin is always latched into a register on the rising edge

address is latched, this pin can be set as an output by setting the PSW_EN bit of the Control Register 3.

Output value of the pin is low when the pin is high during reset; otherwise the output is high.

Example connection of an external charge pump is shown in following figure. When the charge pump

control signal would be active high, the ADR_PSW pin should be pulled down instead of high.

Figure 13. External charge pump application