MCP2030DM-TPR Microchip Technology, MCP2030DM-TPR Datasheet - Page 13

• Manufacturer Part Number: MCP2030DM-TPR
• Description: BOARD DEMO PICTAIL MCP2030
• Manufacturer: Microchip Technology
• Type: Front Endr

Specifications of MCP2030DM-TPR

• Frequency: 125kHz
• For Use With/related Products: MCP2030
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable

FIGURE 2-3:
© 2006 Microchip Technology Inc.
10 bit LF Command
from Base Station
AGC Stabilization time
Demodulated data output
from MCP2030
Transponder Data Stream:
Header + 32 ID bits + 16 RSSI bits + 6 Parity bits + Stop bit
= Header + 54 Data bits + 1 Stop bit
(4 ms)
Gap for 500 μ s
Received Base Station Command and Demodulated Data.
MCP3421
converts
RSSI to digital
values
Demodulated Data:
1100-0011-Parity-Stop = C3 (hex)
when the Base Station transmits
LSB first.
LF Command from Base Station
Wake-Up Filter
Configuration
Register
Change back
MCP2030
Reading
ADC Conversion Data for RSSI
Continuous LF for
RSSI Sample
ADC conversion
Completed here
Command to
MCP2030
MCU Sends
a Soft Reset
SPI Command
for RSSI Output
I
for ADC
2
C Command
Input Coil Voltage
at pin 8 of U3
for RSSI data
at pin 9 of U1
at pin 3 of U3
DS51637A-page 9