DS26504L+ Maxim Integrated Products, DS26504L+ Datasheet - Page 39
DS26504L+
Manufacturer Part Number
DS26504L+
Description
IC T1/E1/J1 64KCC ELEMENT 64LQFP
Manufacturer
Maxim Integrated Products
Datasheet
1.DS26504L.pdf
(129 pages)
Specifications of DS26504L+
Function
BITS Element
Interface
64KCC, E1, T1
Number Of Circuits
1
Voltage - Supply
3.14 V ~ 3.47 V
Current - Supply
150mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
Includes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
- Current page: 39 of 129
- Download datasheet (4Mb)
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
39 of 129
SR4
X
3
0
SR3
X
2
0
SR2
X
1
0
SR1
X
0
0
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