AR1010-ISLASHML datasheet(12/37 Pages) MICROCHIP

部件名	AR1010-I/ML

功能描述	Resistive Touch Screen Controller

PDF	37 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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12 / 37 page

DS41393A-Page 8

7.7

Communication Interface

The desired communication type is hardware selectable by chip part number and using pin M1.

Type

Chip P/N

M1 pin

AR1020

VSS

SPI

AR1020

VDD

UART

AR1010

VDD

Table 5 : Communication Selection

The communication interface pins are shown below for each communication type.

Type

Communication Pins

UART

RX, TX, VSS

SCL, SDA, SDO (Irq), VSS

SPI

SCK, SDI, SDO, SS, SIQ (Irq), VSS

Table 6 : Communication Pins

7.7.1

2C operates in slave mode with 7-bit address of 0x9A.

The SDO pin functions as an interrupt output. It is asserted high when data is available.

Timing diagrams are shown below.

Figure 7 : I

2C Timing Diagram – Receive Data

Figure 8 : I

2C Timing Diagram – Transmit Data

AR1010-I/ML 数据表(PDF) 12 Page - Microchip Technology