ST7538Q STMicroelectronics, ST7538Q Datasheet - Page 25

• Manufacturer Part Number: ST7538Q
• Description: IC TXRX FSK POWER LINE 44-TQFP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7538Q

• Number Of Drivers/receivers: 1/1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP Exposed Pad, 44-eTQFP, 44-HTQFP, 44-VQFP
• For Use With: 497-5484 - BOARD EVAL ST7538 PWR LINE TXRX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Protocol: -
• Other names: 497-5525

ST7538Q
Figure 11. CD_PD timing during RX
Figure 12. Receiving path block diagram
CD_PD
CLR/T
RxD
BU
CD_PD
RxD (UART/SPI="1")
RxD (UART/SPI="0")
RAI
3
8
1
9
Bits 18-21 & 24-47
RECOGN.
HEADER
Bits 3-4 &14
PLL
T
DCD
Low Pass
Bits 9-10
Low Pass
DIGITAL
FILTER
Bits 3-4
T
CD
Bits 12-13 & 22
DEMODULATOR
DETECTION
PREAMBLE
CARRIER/
Bits 3-4 & 22
FSK
demodulation active on RxD pin
Band Pass
IF FILTER
Carrier Detection
Bits 0 -2
LOCAL
MIXER
OSC
Band Pass
CHANNEL
Bits 0-2
FILTER
T
CONTROL
DCD
noise demodulated
noise demodulated
BAND
GAIN
USE
Functional description
IN
AGC
T
31
CD
RXFO
PRE-FILTER
Band Pass
Bit 23
D03IN1419
D03IN1418
32
25/44
RAI