MXT1664T3-C4TESSQTP datasheet(82/98 Pages) MICROCHIP

82 / 98 page

MXT1664T3 2.0

DS40002054A-page 82

 2018 Microchip Technology Inc.

14.9

Input/Output Characteristics

14.10 I2C Specification

14.11 HID-I2C Specification

14.12 USB Specification

Parameter

Description

Min

Typ

Max

Units

Notes

Input (All input pins connected to the VddIO power rail)

Vil

Low input logic level

–0.3

–

0.3 ×

VddIO

VddIO = 1.8V to Vdd

Vih

High input logic level

0.7 ×

VddIO

–

VddIO

VddIO = 1.8V to Vdd

Iil

Input leakage current

–

µA

Pull-up resistors disabled

RESET

Internal pull-up resistor



GPIOs

Internal pull-up/pull-down resistor

Output (All output pins connected to the VddIO power rail)

Vol

Low output voltage

–

0.2 ×

VddIO

VddIO = 1.8V to Vdd

Iol = –2 mA

Voh

High output voltage

0.8 ×

VddIO

–

VddIO

VddIO = 1.8V to Vdd

Ioh = 2 mA

Parameter

Value

Addresses

0x4A or 0x4B

I2C specification (1)

Revision 6.0

Maximum bus speed (SCL) (2)

1 MHz

Standard Mode (3)

100 kHz

Fast Mode (3)

400 kHz

Fast Mode Plus (3)

1MHz

High Speed Mode (3)

3.4 MHz

Note

More detailed information on I2C operation is available from www.nxp.com/documents/user_manual/UM10204.pdf.

In systems with heavily laden I2C lines, even with minimum pull-up resistor values, bus speed may be limited by

capacitive loading to less than the theoretical maximum.

The values of pull-up resistors should be chosen to ensure SCL and SDA rise and fall times meet the I2C specification.

The value required will depend on the amount of capacitance loading on the lines.

Parameter

Value

Vendor ID

0x03EB (Microchip)

Product ID

0x215D (mXT1664T3)

HID-I2C specification

1.0

Parameter

Value

Endpoint Addresses

0x81 (Endpoint 1)

0x02 (Endpoint 2)

0x83 (Endpoint 3)

Maximum bus speed

12 Mbps

Vendor ID

0x03EB (Microchip)

Product ID

0x215D (mXT1664T3)

USB specification

USB 2.0

HID specification 1.11 with amendments for multitouch digitizers

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