TXC-04252AIPQ Transwitch Corporation, TXC-04252AIPQ Datasheet - Page 73

• Manufacturer Part Number: TXC-04252AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04252AIPQ

• Pin Count: 160
• Screening Level: Industrial
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

START-UP PROCEDURE
The following procedure should be followed to start up the QE1M in a known good state from initial power-on,
or from a hardware or software reset.
Initial power-on:
From a hardware reset:
From a software reset:
(1) Power up Device
(2) Apply Hardware Reset (lead 155 or C5)
(3) Load SPOT microcode (see flowchart in Figure 26)
(4) Apply Software Reset (RESET=1; register 0x015 = 0x80)
(5) Initialize Data RAM (INITSP=1; register 0x015 = 0x01)
(6) Load all Control Registers for user specific operation
(7) Clear any alarms that may have been latched, by generating the following resets:
(8) Clear AnLOP and BnLOP by reading the corresponding Port Status Registers:
Proprietary TranSwitch Corporation Information for use Solely by its Customers.
- RESTAB and RESTBB (register 0x015 = 0x60)
- R1SETS (register 0x052 = 0x80)
- R2SETS (register 0x082 = 0x80)
- R3SETS (register 0x0B2 = 0x80)
- R4SETS (register 0x0E2 = 0x80)
- Clear A1LOP (read register 0x030)
- Clear A2LOP (read register 0x060)
- Clear A3LOP (read register 0x090)
- Clear A4LOP (read register 0x0C0)
- Clear B1LOP (read register 0x03A)
- Clear B2LOP (read register 0x06A)
- Clear B3LOP (read register 0x09A)
- Clear B4LOP (read register 0x0CA)
(start from step 1)
(start from step 2)
(start from step 4)
DATA SHEET
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Ed. 3, December 2000
TXC-04252
TXC-04252-MB
QE1M