PSD4235G2-12UT datasheet(87/124 Pages) STMICROELECTRONICS

Part #	PSD4235G2-12UT

Description	Flash in-system programmable (ISP) peripherals for 16-bit MCUs (3.3 V supply)

PDF	124 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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87 / 124 page

PSD4235G2V

I/O ports

87/124

19.24

Port F - functionality and structure

Port F can be configured to perform one or more of the following functions:

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MCU I/O Mode

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CPLD output - External Chip Select (ECS7-ECS0) can be connected to Port F or Port

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CPLD input - direct input to the CPLD, no input macrocells (IMC)

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Latched Address output - Provide latched address output as per Table 40.

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Slew Rate - pins can be configured for fast Slew Rate

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Data Port - connected to D7-D0 when Port F is configured as Data Port for a non-

multiplexed bus

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Peripheral Mode

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MCU Reset Mode - for 16-bit Motorola 683xx and HC16 MCUs

19.25

Port G - functionality and structure

Port G can be configured to perform one or more of the following functions:

●

MCU I/O Mode

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Latched Address output - Provide latched address output as per Table 40.

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Open Drain - pins can be configured in Open Drain Mode

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Data Port - connected to D15-D8 when Port G is configured as Data Port for a non-

multiplexed bus

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MCU Reset Mode - for 16-bit Motorola 683xx and hc16 mcus

PSD4235G2-12UT Datasheet(PDF) 87 Page - STMicroelectronics