DS21FF44 Maxim Integrated Products, DS21FF44 Datasheet - Page 44

• Manufacturer Part Number: DS21FF44
• Description: IC FRAMER E1 4X4 16CH 300-BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21FF44

• Controller Type: E1 Framer
• Interface: Parallel/Serial
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 300mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 300-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ISR: INTERRUPT STATUS REGISTER (Any address from 0C0 Hex to 0FF
Hex)
F3HDLC
(MSB)
SYMBOL
F3HDLC
F2HDLC
F1HDLC
F0HDLC
F3SR
F2SR
F1SR
F0SR
F3SR
POSITION
ISR.7
ISR.6
ISR.5
ISR.4
ISR.3
ISR.2
ISR.1
ISR.0
F2HDLC
Framer 3 HDLC Controller Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 3 SR1 or SR2 Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 2 HDLC Controller Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 2 SR1 or SR2 Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 1 HDLC Controller Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 1 SR1 or SR2 Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 0 HDLC Controller Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
Framer 0 SR1 or SR2 Interrupt Request
0 = No interrupt request pending
1 = Interrupt request pending
F2SR
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F1HDLC
NAME AND DESCRIPTION
F1SR
F0HDLC
(LSB)
F0SR