ST7538P STMicroelectronics, ST7538P Datasheet - Page 13

• Manufacturer Part Number: ST7538P
• Description: Telecom Line Management ICs 1/2 Duplex FSK Modem
• Manufacturer: STMicroelectronics
• Type: Single Chipr

Specifications of ST7538P

• Product: Modem Chip
• Supply Voltage (max): 5.25 V, 12.5 V
• Supply Voltage (min): 4.75 V, 7.5 V
• Supply Current: 5 mA, 370 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: TQFP-44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 7. Data Reception
Figure 8. Data Reception
Figure 9. Data Transmission
Figure 10. Data Transmission
REG_DATA
REG_DATA
REG_DATA
REG_DATA
CLR_T
CLR_T
CLR_T
CLR_T
RxTx
RXD
TXD
RxTx
RxTx
RxTx
RXD
RXD
RXD
TXD
TXD
T
T
DS
T
DS
T
S
S
T
T
T
T
H
H
DH
DH
T
T
B
B
T
T
T
T
CR
➨
➨
CR
CR
CR
Control Register read
Control Register write
➨
➨
T
T
Control Register read
CR
CR
Control Register Write
T
T
T
T
CC
CC
CC
CC
T
DS
T
T
BIT23
BIT23
BIT23
BIT23
S
S
T
T
T
H
H
DH
T
➨
DS
➨
BIT22
BIT22
BIT22
BIT22
Data Reception Timing Diagram
Data Reception Timing Diagram
➨
T
DH
Data Reception Timing Diagram
➨
Data Reception Timing Diagram
T
CR
T
CR
T
T
T
T
CR
CR
CR
CR
T
T
T
T
CC
CC
CC
CC
T
T
DS
DS
T
T
DH
DH
T
D03IN1404
T
B
D03IN1403
B
D03IN1405
ST7538
D03IN1401
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