mc33690dw Freescale Semiconductor, Inc, mc33690dw Datasheet - Page 9

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

© Motorola, Inc., 2002.
COMMUNICATION MODES DESCRIPTION
modes. Therefore it can be used as a standalone
circuit connected to an Electronic Control Unit
Standalone
Direct
connection
to a MCU
The STARC offers 3 different communication
Type
Configuration
Bus type
(VBAT)
2 wires
(VBAT)
2 wires
1 wire
(VDD)
Table 1. Communication modes description
Freescale Semiconductor, Inc.
Name
For More Information On This Product,
B
C
A
MOTOROLA SEMICONDUCTORS PRODUCTS
Mode1
Configuration
Go to: www.freescale.com
0
0
1
pins
MC33690
Mode2
0
1
1
0
x
9
(ECU) through a bus line or it can be directly
connected to a microcontroller in case of a single
board architecture.
K output/input :
- demodulator output,
- amplitude modulation input
- shutdown/wake-up
AM must be connected to VSUP
DOUT forces a low level
K output :
- demodulator output
AM input :
- amplitude modulation input,
- shutdown/wake-up
DOUT forces a low level
DOUT output :
- demodulator output
AM input :
- amplitude modulation input
MODE2 input :
- shutdown/wake-up
K output/input (standalone ISO 9141 inter-
face) :
- driven by Tx and monitored by Rx
K input (standalone ISO 9141 interface) :
- monitored by Rx
-Tx disabled
& function description
Pin status
revision 4.8, 5 February 2002