DS26324G+ Maxim Integrated Products, DS26324G+ Datasheet - Page 93
DS26324G+
Manufacturer Part Number
DS26324G+
Description
IC LIU 16CH T1/E1/J1 256CSBGA
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS26324GNTR.pdf
(120 pages)
Specifications of DS26324G+
Number Of Drivers/receivers
16/16
Protocol
LIN
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
256-CSBGA
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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DS26324 3.3V, 16-Channel, E1/T1/J1 Short-Haul Line Interface Unit
7.1.10 Select-IR-Scan
All test registers retain their previous state. The instruction register will remain unchanged during this state. With
TMS LOW, a rising edge on TCLK moves the controller into the Capture-IR state and will initiate a scan sequence
for the instruction register. TMS HIGH during a rising edge on TCLK puts the controller back into the Test-Logic-
Reset state.
7.1.11 Capture-IR
The Capture-IR state is used to load the shift register in the instruction register with a fixed value. This value is
loaded on the rising edge of TCLK. If TMS is HIGH on the rising edge of TCLK, the controller will enter the Exit1-IR
state. If TMS is LOW on the rising edge of TCLK, the controller will enter the Shift-IR state.
7.1.12 Shift-IR
In this state, the shift register in the instruction register is connected between TDI and TDO and shifts data one
stage for every rising edge of TCLK towards the serial output. The parallel registers as well as all test registers
remain at their previous states. A rising edge on TCLK with TMS HIGH will move the controller to the Exit1-IR
state. A rising edge on TCLK with TMS LOW will keep the controller in the Shift-IR state while moving data one
stage thorough the instruction shift register.
7.1.13 Exit1-IR
A rising edge on TCLK with TMS LOW will put the controller in the pause-IR state. If TMS is HIGH on the rising
edge of TCLK, the controller will enter the update-IR state and terminate the scanning process.
7.1.14 Pause-IR
Shifting of the instruction shift register is halted temporarily. With TMS HIGH, a rising edge on TCLK will put the
controller in the Exit2-IR state. The controller will remain in the Pause-IR state if TMS is LOW during a rising edge
on TCLK.
7.1.15 Exit2-IR
A rising edge on TCLK with TMS HIGH will put the controller in the Update-IR state. The controller will loop back to
Shift-IR if TMS is LOW during a rising edge of TCLK in this state.
7.1.16 Update-IR
The instruction code shifted into the instruction shift register is latched into the parallel output on the falling edge of
TCLK as the controller enters this state. Once latched, this instruction becomes the current instruction. A rising
edge on TCLK with TMS LOW will put the controller in the Run-Test-Idle state. With TMS HIGH, the controller will
enter the Select-DR-Scan state.
93 of 120
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