ST7FLCD1 datasheet(41/95 Pages) STMICROELECTRONICS

部件名	ST7FLCD1

功能描述	8-bit MCU for LCD Monitors with 60 KBytes Flash, 2 KBytes RAM, 2 DDC Ports and Infrared Controller

PDF	95 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST7FLCD1

I/O Ports

7.6

Port D

The alternate functions are:

●

the I/O pins of the on-chip I²C SCLI & SDAI for PD[1:0],

●

the I/O pins of the on-chip DDC A SCLD & SDAD for PD[3:2],

●

the I/O pins of the on-chip DDC B SCLD & SDAD for PD[5:4]

●

input and output on PD[7:6].

Figure 21: Port C

Table 14: Port D Description

PORT D

I / O

Alternate Function

Input1

1. Reset state.

Output

Signal

Condition

PD0

Without Pull-up

Open-drain

SCLI (input with TTL Schmitt trigger or Open-drain output)

I²C enable

PD1

Without Pull-up

Open-drain

SDAI (input with TTL Schmitt trigger or Open-drain output)

I²C enable

PD2

Without Pull-up

Open-drain

SCLD A (input with TTL Schmitt trigger or Open-drain output)

DDC A enable

PD3

Without Pull-up

Open-drain

SDAD A (input with TTL Schmitt trigger or Open-drain output)

DDC A enable

PD4

Without Pull-up

Open-drain

SCLD B (input with TTL Schmitt trigger or Open-drain output)

DDC B enable

PD5

Without Pull-up

Open-drain

SDAD B (input with TTL Schmitt trigger or Open-drain output)

DDC B enable

PD6

Without Pull-up

Open-drain

PD7

Without Pull-up

Open-drain

DR SEL

DDR SEL

TTL Schmitt Trigger

DDR

Latch

VSS

VDD

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