082733

© NXP B.V. 2007. All rights reserved.

Product short data sheet

Rev. 3.3 — 13 June 2007

8 of 22

NXP Semiconductors

PN511

Transmission Module

7.2 Pin description

Table 3.

Pin description HVQFN32

Symbol

Pin

Type

Description

A1

1

I

Address Line

PVDD

2

PWR

Pad power supply

DVDD

3

PWR

Digital Power Supply

DVSS

4

PWR

Digital Ground

PVSS

5

PWR

Pad power supply ground

NRSTPD

6

I

Not Reset and Power Down: When LOW, internal current sinks are switched off, the

oscillator is inhibited, and the input pads are disconnected from the outside world. With

a positive edge on this pin the internal reset phase starts.

SIGIN

7

I

Communication Interface Input: accepts a digital, serial data stream

SIGOUT

8

O

Communication Interface Output: delivers a serial data stream

LOADMOD

9

O

Load Modulation Output: provides digital signal for FeliCa and Mifare Card Operation

mode

TVSS

10

PWR

Transmitter Ground: supplies the output stage of TX1 and TX2

TX1

11

O

Transmitter 1: delivers the modulated 13.56 MHz energy carrier

TVDD

12

PWR

Transmitter Power Supply: supplies the output stage of TX1 and TX2

TX2

13

O

Transmitter 2: delivers the modulated 13.56 MHz energy carrier

TVSS

14

PWR

Transmitter Ground: supplies the output stage of TX1 and TX2

AVDD

15

PWR

Analog Power Supply

VMID

16

PWR

Internal Reference Voltage: This pin delivers the internal reference voltage.

RX

17

I

Receiver Input

AVSS

18

PWR

Analog Ground

AUX1

19

O

Auxiliary Outputs: These pins are used for testing.

AUX2

20

O

OSCIN

21

I

Crystal Oscillator Input: input to the inverting amplifier of the oscillator. This pin is

OSCOUT

22

O

Crystal Oscillator Output: Output of the inverting amplifier of the oscillator.

IRQ

23

O

Interrupt Request: output to signal an interrupt event

ALE

24

I

Address Latch Enable: signal to latch AD0 to AD5 into the internal address latch

when HIGH.

D1 to D7

25 to 31

I/O

8-bit Bi-directional Data Bus.

Remark: An 8-bit parallel interface is not available.

Remark: For serial interfaces this pins can be used for test signals or I/Os.

A0

32

I

Address Line