MC33690 Datasheet, PDF (4/24 Pages) Motorola, Inc – Standalone Tag Reader Circuit

Freescale S^Me^Cm³³i⁶c⁹o⁰nductor, Inc.
PIN FUNCTION DESCRIPTION
Pin
Function
Description
1
VSUP
Power supply
2
SOURCE
External N channel transistor source
3
GATE
External N channel transistor gate
4
TD1
Antenna driver 1 output
5
VSS
Power and digital ground
6
VDD
Voltage regulator output
7
TD2
Antenna driver 2 output
8
MODE1
Mode selection input 1
9
MODE2
Mode selection input 2
10
RD
Demodulator input
11
AGND
Demodulator ground
12
CEXT
Comparator reference input
13
DOUT
Demodulator output (5V)
14
LVR
Low Voltage Reset input/output
15
XTAL2
Oscillator output
16
XTAL1
Oscillator input
17
AM
Amplitude modulation input
18
K
ISO 9141 transmitter output and receiver input
19
Rx
ISO 9141 receiver monitor output
20
Tx
ISO 9141 transmitter input
© Motorola, Inc., 2002.
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Go to: www⁴.freescale.com
revision 4.8, 5 February 2002