SI2401-FSR Silicon Laboratories Inc, SI2401-FSR Datasheet - Page 53

• Manufacturer Part Number: SI2401-FSR
• Description: Telecom Line Management ICs 2400b/s System Side 3rd Gen DAA Tech
• Manufacturer: Silicon Laboratories Inc
• Type: Integrated Global DAAr

Specifications of SI2401-FSR

• Product: Modem Module
• Supply Voltage (min): 3 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 10 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SE1 (GPIO1). General Purpose Input/Output 1
Reset settings = 0000_1110 (0x0E)
SE2 (GPIO2). General Purpose Input/Output 2
Reset settings = 0000_0000 (0x00)
*Note: To be used as a GPIO pin; SE4[3] (GPE) must equal zero.
Bit
7:2
Bit
7:6
5:4
3:2
1:0
1
0
Name
Name
Type
Type
Bit
Bit
GPIO4[1:0] GPIO4.
GPIO3[1:0] GPIO3.
GPIO2[1:0] GPIO2.
GPIO1[1:0] GPIO1*.
Name
Reserved
GPIO5
Name
GPD5
D7
D7
GPIO4[1:0]
00 = Digital input.
01 = Digital output (relay drive).
10 = AOUT.
11 = INT function defined by S08.
00 = Digital input.
01 = Digital output (relay drive).
10 = Reserved.
11 = ESC function (digital input).
00 = Digital input.
01 = Digital output (relay drive; also used for CD function).
10 = Reserved.
11 = Digital input.
00 = Digital input.
01 = Digital output (relay drive).
10 = Reserved.
11 = Reserved.
R/W
Read returns zero.
GPIO5 Data.
Data = 0.
Data = 1.
GPIO5.
0 = Digital input.
1 = Digital output (relay drive).
D6
D6
D5
D5
GPIO3[1:0]
R/W
Rev. 1.0
D4
D4
Function
Function
D3
D3
GPIO2[1:0]
R/W
D2
D2
GPD5
R/W
D1
D1
GPIO1[1:0]
Si2401
R/W
GPIO5
R/W
D0
D0
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