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Cover Sheet
Am186CC Microcontroller
DRAM, FLASH
ISDN Interface
PC Interface - DCE, USB
Power, Crystal, TIP, Misc.
A
NOTE: This schematic shows the S/T
ISDN interface population option.
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ISDN Terminal Adapter
Reference Design
Schematics
Rev 1.0:
Original design
Rev 2.0:
Changed passive size to 0603
Removed test points (page 2)
Added series termination (page 2)
Changed Am29F200 to Am29F400 (page 3)
Corrected P1 pinout (page 4)
Removed 4 isolation resistors for P1 (page 4)
Changed SP211HCT to SP211ECT (page 5)
Added series resistors and increased caps (page 5)
Corrected USBD+/- (page 5)
Added 100K PD to VUSB (page 5)
Corrected barrel connector (page 6)
Corrected SW2 pinout (page 6)
Terminated all unused gate inputs (page 6)
Rev 2.1:
Routed PIO27, PIO0 to serial port (page2,5)
Changed R61, R62, R64, R66 value to 82 ohm
NC U1 pins 5,57,158,101,103 (page 2)
Changed some U1 decoupling cap values (page 2)
Removed filter caps from RJ45 (page 4)
Added R116, R117, C68, C69 for new serial PIOs (page 5)
Changed filter component values for serial port (page 5)
Changed SP211ECT to SP207HBEA (page 5)
Pulled up P5 pin 55 for TIP board (page 6)
Rev 2.2:
Routed INT6 to U4 (ISDN) instead of INT1 (page 2, 4)
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WARNING!
(C) Advanced Micro Devices, Inc.
5204 E. Ben White Blvd.
Austin, TX 78741
AMD Proprietary/All Rights Reserved
Title
ISDN Terminal Adapter Reference Design - Cover Sheet
Size
Document Number
COVER.SCH
Date: Tuesday, October 12, 1999
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PRELIMINARY SCHEMATICS
FOR REFERENCE PURPOSES ONLY
NOT FCC OR CE TESTED
(800) 222-9323
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Rev
2.0
Sheet
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