mc33690dw Freescale Semiconductor, Inc, mc33690dw Datasheet - Page 19

• Manufacturer Part Number: mc33690dw
• Description: Standalone Tag Reader Circuit Starc
• Manufacturer: Freescale Semiconductor, Inc

© Motorola, Inc., 2002.
If no external MOS transistor is necessary to increase the voltage regulator current capability, the pins GATE
and SOURCE must be left unconnected.
C
To preserve the demodulator sensitivity,
AGND using a low resistance path.
1
is not required for the STARC functionality and only acts as a reservoir of energy.
VBAT
VSS
C
L
A
A
R
10
C
1
C
2
µ
1
F
C
EXT
10
R
C
2
0n
3
Figure 14 : Standalone configuration with two wires bus
R
NC
SOURCE
F
NC
NC
A
10nF
Freescale Semiconductor, Inc.
AGND
CEXT
GATE
VSS
VDD
TD2
TD1
For More Information On This Product,
RD
Tx
Rx
MOTOROLA SEMICONDUCTORS PRODUCTS
Go to: www.freescale.com
C
EXT
MC33690
STARC
and
R
19
2
VSUP
should be connected to AGND, and VSS connected to
LVR
XTAL1
XTAL2
MODE1
MODE2
DOUT
AM
K
NC
NC
1MΩ
VBAT
VDD
revision 4.8, 5 February 2002
8.2pF
8.2pF
510Ω
8MHz