DS26504LN Maxim Integrated Products, DS26504LN Datasheet - Page 39

• Manufacturer Part Number: DS26504LN
• Description: Network Controller & Processor ICs T1-E1-J1-64kHz Compo 4kHz Composite Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS26504LN

• Product: Framer
• Number Of Transceivers: 1
• Data Rate: 44.736 Mbps
• Supply Voltage (max): 3.465 V
• Supply Voltage (min): 3.135 V
• Supply Current (max): 150 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-64

7.7 Interrupt Information Registers
The Interrupt Information Registers (IIRs) provide an indication of which Status Registers (SR1 to SR4)
are generating an interrupt. When an interrupt occurs, the host can read IIR to quickly identify which of
the four status registers are causing the interrupt.
Register Name:
Register Description:
Register Address:
Bit #
Name
Default
HW
Mode
Bit 0: Status Register 1 (SR1)
Bit 1: Status Register 2 (SR2)
Bit 2: Status Register 3 (SR3)
Bit 3: Status Register 4 (SR4)
Bit 4: Status Register 5 (SR5)
Bits 5 to 7: Unused
0 = Status Register 1 interrupt not active.
1 = Status Register 1 interrupt active.
0 = Status Register 2 interrupt not active.
1 = Status Register 2 interrupt active.
0 = Status Register 3 interrupt not active.
1 = Status Register 3 interrupt active.
0 = Status Register 4 interrupt not active.
1 = Status Register 4 interrupt active.
0 = Status Register 5 interrupt not active.
1 = Status Register 5 interrupt active.
—
X
7
0
—
IIR
Interrupt Information Register
13h
X
6
0
—
X
5
0
SR5
X
4
0
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SR4
X
3
0
SR3
X
2
0
SR2
X
1
0
SR1
X
0
0