MC33690 查看數據表（PDF） - Freescale Semiconductor
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MC33690 Datasheet PDF : 26 Pages
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VBAT
Optional: External N channel MOS required for sourced current > 50mA.
A recommended reference is MMFT 3055VL from Freescale.
C1
GATE
VSUP
VDD
10mF
SOURCE
VDD
VSS
RA
TD1
LA
Voltage Regulator
LVR
8 MHz
XTAL1
XTAL2
R1
CA
CEXT
10nF
RD
R2
TD2
CEXT
AGND
Tx
Rx
Tag Reader
ISO 9141 Interface
MODE1
MODE2
DOUT
AM
VBAT
510W
K
Figure 1. Standalone Tag Reader Circuit
MC33690 Standalone Tag Reader Circuit, Rev. 5
Freescale Semiconductor
3
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