ST7MC1K2 datasheet(80/371 Pages) STMICROELECTRONICS

80 / 371 page

Obsolete

Product(s)

- Obsolete

Product(s)

I/O ports

ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto

80/371

Figure 28.

I/O port general block diagram

Table 25.

I/O port mode options

Configuration mode

Pull-up

P-buffer

Diodes(1)

The diode to VDD is not implemented in the true open drain pads. A local protection between the pad and VSS is

implemented to protect the device against positive stress.

to VDD

to VSS

Input

Floating with/without interrupt

Off(2)

Implemented not activated.

Off

Pull-up with/without interrupt

On(3)

Implemented and activated.

Output

Push-pull

Off(2)

Open drain (logic level)

Off

True open drain

NI(4)

Not implemented.

NI(4)

DDR

Pad

VDD

Alternate

enable

Alternate

output

OR SEL

DDR SEL

DR SEL

Pull-up

condition

P-buffer

(see Table 25 below)

N-buffer

Pull-up

(see Table 25 below)

Analog

input

If implemented

Alternate

input

VDD

Diodes

(see Table 25 below)

access

External

interrupt

source (eix)

CMOS

Schmitt

trigger

Obsolete

Product(s)

- Obsolete

Product(s)

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