ATA6286N datasheet(4/19 Pages) ATMEL

4 / 19 page

4958BS–AUTO–01/09

ATA6285N/ATA6286N [Preliminary]

2.4

Pin Configuration

Figure 2-3.

Pinning QFN32

PB6

PB5 (SCK)

PB4 (MISO)

PB1 (T3O)

ANT2

ANT1

XTO2

PB7 (NSS)

LF1

LF2

VCC

PC2

GND

PC0

PC1

15 14 13

ATA6285N

ATA6286N

12 11 10 9

25 26 27 28 29 30 31 32

Table 2-2.

Pin Description

Pin Number

Pin Name

Alternate

Function 1

Alternate

Function 2

Function

Comment

PB4

MISO

PCINT4

SPI

Port B4

PB5

SCK

PCINT5

SPI

Port B5

3ANT2–

–

RF-antenna 2. Emitter of antenna

output stage

RF pin

4ANT1–

–

RF-antenna 1. Open collector

antenna output

RF pin

PB1

T3O

PCINT1

Timer3 output

Port B1

PB6

–

PCINT6

Port B6

PB7

NSS

PCINT7

SPI

Port B7

XT02

–

Switch for FSK modulation

RF pin

PB2

T2I

PCINT2

Timer2 external input clock

Port B2

XT01

–

Connection for crystal

RF pin

VS_RF

–

Power supply voltage for RF

RF pin

GND

–

Power supply ground for RF

RF pin

NRESET

debugWIRE

–

Reset input/debugWIRE interface

GND

–

Power supply ground

–

Sensor input 0 – Pressure Sensor

(Cap.)

–

Sensor input 1 – X – Motion Sensor

(Cap.)

–

Sensor input 2 – Z - Motion Sensor

(Cap.)

GND

–

Power supply ground

Note:

1. Internal inter-die connection of the MCP

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