73M1866B-IFX Maxim Integrated Products, 73M1866B-IFX Datasheet - Page 41
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73M1866B-IFX
Manufacturer Part Number
73M1866B-IFX
Description
KIT EVALUATION FOR 73M1866B
Manufacturer
Maxim Integrated Products
Specifications of 73M1866B-IFX
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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DS_1x66B_001
7 Hardware Control Functions
This section describes the 73M1x66B capabilities with respect to its configuration and hardware pin
control. These include features such as Device Revision, Interrupt Management, Power Management,
Clock Control, General Purpose Input/Output (GPIO) and control of the Call Progress Monitor.
7.1
The 73M1x66B provides the device revision number for the Host-Side Device and the Line-Side Device.
For the 73M1x66B:
•
•
7.2
The 73M1x66B supports a single interrupt that can be asserted under several configurable conditions.
These include status of GPIOs, PCLKDT, RGMON, DET, SYNL and RGDT.
All interrupt sources that are enabled are ORed together to create the INT output signal. GPIO ports that
are configured to be output will not generate interrupts.
When the INT pin goes active (low), the host should read the interrupt source Register 0x03, which is
then automatically cleared after the read operation. An interrupt during wake-on-ring should be
interpreted as the detection of a valid ring signal.
Address 0x03
Reset State E0h
Rev. 1.6
Function
Mnemonic
REVHSD
REVLSD
GPIO7
Bit
Revision for the Host-Side Device is: 0100.
Revision for the Line-Side Device is: 1101.
7
Device Revision
Interrupt Control
GPIO6
Bit
0x04[3:0]
0x1D[7:4]
Location
Register
6
GPIO5
Bit
Type
5
R
R
Host-Side Device Revision
These read only status bits indicate the revision of the 73M1x66B
Host-Side Device (73M1906B).
Line-Side Device Revision
These read-only status bits provide the Device ID for the 73M1x66B
Line-Side Device (73M1916).
When barrier is synchronized, REV has the value of 1101.
When barrier is not synchronized, the value of the field is 0000.
PCLKDT
Bit
4
RGMON
Bit
3
DET
Bit
Description
2
73M1866B/73M1966B Data Sheet
SYNL
Bit
1
RGDT
Bit
0
41
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