73M1903-IVTR/F Maxim Integrated Products, 73M1903-IVTR/F Datasheet - Page 9

• Manufacturer Part Number: 73M1903-IVTR/F
• Description: IC MODEM AFE V.22BIS 20-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of 73M1903-IVTR/F

• Number Of Channels: 2
• Voltage - Supply, Analog: 3 V ~ 3.6 V
• Voltage - Supply, Digital: 3 V ~ 3.6 V
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Number Of Bits: -

SCLK
FS
SDIN
SDOUT
DS_1903_032
Rev. 2.1
FS(mode1)
FS(mode1)
FS(mode0)
SCLK
SDIN
SDOUT
SCLK
SDIN
SDOUT
SCLK
SDIN
SDOUT
TX
RX
TX
RX
TX
RX
Data Frame
RX15
TX15
R/W
zero
R/W
zero
TX14
RX14
zero
zero
A6
A6
RX
TX
TX13
RX13
zero
zero
RX
TX
A5
A5
RX
1
TX12
RX12
zero
zero
A4
A4
Figure 3: Serial Port Timing Diagram
TX11
RX11
zero
zero
7.2KHz (8KHz)
A3
A3
Relation Between the Data and Control Frames
RX10
TX10
zero
zero
A2
A2
R
0
Control Frame With Early Frame Sync
Control Frame With Late Frame Sync
Data Frame With Early Frame Sync
RX9
A
0
TX9
zero
zero
A1
A1
A
0
Control Frame
RX8
TX8
zero
zero
A0
A0
A
0
TX7
RX7
DO7
DO7
DI7
DI7
DO
DI
TX6
RX6
DO6
DO6
DI6
DI6
DO
DI
DO
DI
TX5
RX5
DO5
DO5
DI5
DI5
TX4
RX4
DO4
DO4
DI4
DI4
RX3
TX3
DO3
DO3
DI3
DI3
TX
RX
RX2
TX2
DO2
DO2
DI2
DI2
73M1903 Data Sheet
TX
RX
TX
RX
RX1
TX1
DO1
DO1
DI1
DI1
Data Frame
CTL
RX0
DO0
DO0
DI0
DI0
RX
TX
TX
RX
RX
9
0